GRB230405.84 page :: MASTER Database

MASTER Net MASTER Database: GRB230405.84 page

Please use the reference to MASTER DataBase as Lipunov et al., 2010, MASTER Robotic Net, Advances in Astronomy, vol. 2010, p.30L

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Name

SWIFT GRB230405.84

Trignum

1163119

Trigger time

2023-04-05 20:03:23

Notice time

2023-04-05 20:20:17.184714

Coord, eb

(18h 05m 45.84s , -47d 04m 12.0s) , 0.0005

Max dist: 1 sigma 3 sigma

AGN candidates:	Milliquas	??	r90wise	??	wiseXgaia	??
BL Lac candidates:	1 Sigma	??	3 Sigma	??

MASTER observatories and transients from them in error-field

Kislovodsk Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ?? 

Amur Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ?? 

Tunka Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ?? 

OAFA Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ?? 

IAC Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ?? 

SAAO Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ?? 

Tavrida Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ?? 

OAGH Transients (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
Trans. Difference (Undef)
 ?? 
(All)
 ?? 
(Yes)
 ?? 
(Gal)
 ??

You are viewing outdated information, relevant error box is here

All alerts for this trigger

id	noticetime	coord2000	satel	errorbox	type	trigger	seq	trig_type	links
2208933	2023-04-05 20:00:05.364052	18^h 05^m 45.34^s -47^d 04^m 09.5^s	SWIFT	0	alert	1163119	1	69	alert
2208935	2023-04-05 20:04:33.63735	18^h 05^m 53.66^s -47^d 04^m 15.2^s	SWIFT	0	alert	1163119	2	68	alert
2208950	2023-04-05 20:20:17.184714	18^h 05^m 45.84^s -47^d 04^m 12.0^s	SWIFT	0.0005	alert	1163119	2	67	alert
2208901	2023-04-05 19:58:34.158445	18^h 05^m 52.08^s -47^d 04^m 12.0^s	SWIFT	0.05	alert	1163119	1	61	alert

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images

Distance	datetime	coord2000	observatory	camera	links

Errorbox center visibility at MASTER facilities

trigger

notice

notice+1hr

now

2023-04-05 20:03:23 (JD 2460040.335683)

Siderial time 11.488676 h

Ra 18:05:45.84 Dec -47:04:12.00
(271.441000d, -47.070000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -7.72 Azimuth: 353.66

Sun: Altitude: -9.01 Azimuth: 248.95

Moon: Altitude: 9.91 Azimuth: 73.55

Tunka

Object: Altitude: -13.00 Azimuth: 337.20

Sun: Altitude: -21.24 Azimuth: 227.31

Moon: Altitude: 22.85 Azimuth: 51.99

Kislovodsk

Object: Altitude: -32.84 Azimuth: 306.05

Sun: Altitude: -37.85 Azimuth: 158.40

Moon: Altitude: 41.98 Azimuth: 341.13

Tavrida

Object: Altitude: -38.45 Azimuth: 301.97

Sun: Altitude: -34.26 Azimuth: 148.80

Moon: Altitude: 38.60 Azimuth: 330.81

SAAO

Object: Altitude: 8.09 Azimuth: 321.77

Sun: Altitude: -45.40 Azimuth: 62.33

Moon: Altitude: 45.24 Azimuth: 235.76

IAC

Object: Altitude: -61.96 Azimuth: 319.28

Sun: Altitude: -9.27 Azimuth: 102.12

Moon: Altitude: 13.66 Azimuth: 280.62

Argentina

Object: Altitude: -7.71 Azimuth: 17.57

Sun: Altitude: 28.31 Azimuth: 118.40

Moon: Altitude: -28.18 Azimuth: 293.15

Mexico

Object: Altitude: -37.20 Azimuth: 51.98

Sun: Altitude: 63.30 Azimuth: 22.83

Moon: Altitude: -58.97 Azimuth: 206.19

Ural

Object: Altitude: -32.15 Azimuth: 308.33

Sun: Altitude: -26.88 Azimuth: 180.03

Moon: Altitude: 30.29 Azimuth: 3.58

Vostryakovo

Object: Altitude: -41.49 Azimuth: 296.06

Sun: Altitude: -25.95 Azimuth: 155.85

Moon: Altitude: 30.01 Azimuth: 338.37

Gal. latitude: -12.917638 Gal. longitude: 346.345095

Dist. to Sun: 103.153299

Dist. to Moon: 81.471460

Moon coord.: (191.159847 d, -2.617875 d)

Sun coord.: (14.230881 d, 6.085961 d)

Lunar disk: 0.998378

Lunar phase: 4.617000

Lunar bright limb: 318.662448

No SN in this field

2023-04-05 20:20:17 (JD 2460040.347419)

Siderial time 11.771114 h

Ra 18:05:45.84 Dec -47:04:12.00
(271.441000d, -47.070000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -7.48 Azimuth: 356.56

Sun: Altitude: -6.46 Azimuth: 252.32

Moon: Altitude: 7.32 Azimuth: 76.76

Tunka

Object: Altitude: -12.05 Azimuth: 339.99

Sun: Altitude: -19.26 Azimuth: 231.26

Moon: Altitude: 20.74 Azimuth: 55.77

Kislovodsk

Object: Altitude: -30.40 Azimuth: 307.85

Sun: Altitude: -38.84 Azimuth: 163.61

Moon: Altitude: 42.74 Azimuth: 346.59

Tavrida

Object: Altitude: -35.92 Azimuth: 303.71

Sun: Altitude: -35.70 Azimuth: 153.62

Moon: Altitude: 39.84 Azimuth: 335.85

SAAO

Object: Altitude: 10.35 Azimuth: 319.96

Sun: Altitude: -48.51 Azimuth: 58.18

Moon: Altitude: 48.08 Azimuth: 231.44

IAC

Object: Altitude: -59.45 Azimuth: 316.36

Sun: Altitude: -12.89 Azimuth: 104.29

Moon: Altitude: 17.16 Azimuth: 282.83

Argentina

Object: Altitude: -8.72 Azimuth: 14.84

Sun: Altitude: 25.10 Azimuth: 115.36

Moon: Altitude: -24.90 Azimuth: 290.40

Mexico

Object: Altitude: -40.07 Azimuth: 52.39

Sun: Altitude: 61.66 Azimuth: 31.21

Moon: Altitude: -57.28 Azimuth: 213.28

Ural

Object: Altitude: -30.38 Azimuth: 310.99

Sun: Altitude: -26.78 Azimuth: 184.73

Moon: Altitude: 29.99 Azimuth: 8.31

Vostryakovo

Object: Altitude: -39.36 Azimuth: 298.61

Sun: Altitude: -26.84 Azimuth: 160.44

Moon: Altitude: 30.71 Azimuth: 343.05

Gal. latitude: -12.917638 Gal. longitude: 346.345095

Dist. to Sun: 103.163828

Dist. to Moon: 81.330951

Moon coord.: (191.291734 d, -2.687433 d)

Sun coord.: (14.241600 d, 6.090417 d)

Lunar disk: 0.998466

Lunar phase: 4.488595

Lunar bright limb: 319.265709

No SN in this field

2023-04-05 21:20:17 (JD 2460040.389086)

Siderial time 12.773852 h

Ra 18:05:45.84 Dec -47:04:12.00
(271.441000d, -47.070000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -7.77 Azimuth: 6.88

Sun: Altitude: 2.91 Azimuth: 263.94

Moon: Altitude: -2.07 Azimuth: 87.90

Tunka

Object: Altitude: -9.65 Azimuth: 350.12

Sun: Altitude: -11.40 Azimuth: 244.42

Moon: Altitude: 12.58 Azimuth: 68.37

Kislovodsk

Object: Altitude: -22.23 Azimuth: 314.73

Sun: Altitude: -40.11 Azimuth: 182.90

Moon: Altitude: 43.12 Azimuth: 6.51

Tavrida

Object: Altitude: -27.38 Azimuth: 310.36

Sun: Altitude: -38.85 Azimuth: 171.98

Moon: Altitude: 42.22 Azimuth: 354.93

SAAO

Object: Altitude: 19.00 Azimuth: 314.31

Sun: Altitude: -58.06 Azimuth: 38.81

Moon: Altitude: 56.53 Azimuth: 211.88

IAC

Object: Altitude: -49.77 Azimuth: 310.62

Sun: Altitude: -25.40 Azimuth: 112.92

Moon: Altitude: 29.28 Azimuth: 291.63

Argentina

Object: Altitude: -10.89 Azimuth: 4.70

Sun: Altitude: 13.16 Azimuth: 105.87

Moon: Altitude: -12.86 Azimuth: 281.73

Mexico

Object: Altitude: -50.30 Azimuth: 52.21

Sun: Altitude: 52.90 Azimuth: 53.83

Moon: Altitude: -48.87 Azimuth: 233.23

Ural

Object: Altitude: -24.67 Azimuth: 320.58

Sun: Altitude: -24.93 Azimuth: 201.19

Moon: Altitude: 27.50 Azimuth: 24.68

Vostryakovo

Object: Altitude: -32.21 Azimuth: 307.64

Sun: Altitude: -28.48 Azimuth: 177.19

Moon: Altitude: 31.68 Azimuth: 0.05

Gal. latitude: -12.917638 Gal. longitude: 346.345095

Dist. to Sun: 103.201205

Dist. to Moon: 80.831908

Moon coord.: (191.760328 d, -2.934392 d)

Sun coord.: (14.279656 d, 6.106234 d)

Lunar disk: 0.998759

Lunar phase: 4.037114

Lunar bright limb: 321.719068

No SN in this field

2024-11-21 21:51:32 (JD 2460636.410787)

Siderial time 4.459166 h

Ra 18:05:45.84 Dec -47:04:12.00
(271.441000d, -47.070000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -48.17 Azimuth: 291.88

Sun: Altitude: -9.70 Azimuth: 289.87

Moon: Altitude: 56.51 Azimuth: 28.82

Tunka

Object: Altitude: -63.35 Azimuth: 276.15

Sun: Altitude: -24.99 Azimuth: 271.19

Moon: Altitude: 57.04 Azimuth: 345.98

Kislovodsk

Object: Altitude: -75.85 Azimuth: 69.55

Sun: Altitude: -63.53 Azimuth: 211.24

Moon: Altitude: 28.63 Azimuth: 269.83

Tavrida

Object: Altitude: -70.38 Azimuth: 73.12

Sun: Altitude: -64.92 Azimuth: 192.80

Moon: Altitude: 22.60 Azimuth: 264.51

SAAO

Object: Altitude: -2.27 Azimuth: 26.77

Sun: Altitude: -37.03 Azimuth: 8.79

Moon: Altitude: -10.51 Azimuth: 253.53

IAC

Object: Altitude: -27.70 Azimuth: 48.96

Sun: Altitude: -48.57 Azimuth: 91.16

Moon: Altitude: -20.41 Azimuth: 232.84

Argentina

Object: Altitude: 50.30 Azimuth: 53.00

Sun: Altitude: 16.66 Azimuth: 76.32

Moon: Altitude: -77.65 Azimuth: 1.87

Mexico

Object: Altitude: 11.59 Azimuth: 5.17

Sun: Altitude: 25.26 Azimuth: 43.30

Moon: Altitude: -25.68 Azimuth: 136.13

Ural

Object: Altitude: -79.91 Azimuth: 169.73

Sun: Altitude: -46.48 Azimuth: 225.05

Moon: Altitude: 36.76 Azimuth: 292.81

Vostryakovo

Object: Altitude: -72.75 Azimuth: 108.62

Sun: Altitude: -54.00 Azimuth: 195.34

Moon: Altitude: 25.35 Azimuth: 272.15

Gal. latitude: -12.917638 Gal. longitude: 346.345095

Dist. to Sun: 38.504861

Dist. to Moon: 131.749337

Moon coord.: (140.367690 d, 19.460844 d)

Sun coord.: (237.545374 d, -20.101363 d)

Lunar disk: 0.613744

Lunar phase: 76.850802

Lunar bright limb: 107.047361

No SN in this field

Recent coverage and limits telegrams

 #######################################################################################
#######################################################################################

  ID = 8026
TYPE = 35
DAYS = 1


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 230405B ( K. L. Page et al., GCN 33571) errorbox  4283 sec after notice time and 4302 sec after trigger time at 2023-04-05 21:09:46 UT, with upper limit up to  19.1 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -56.4 deg. 

The galactic latitude b = -13 deg., longitude l = 346 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2208901

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    4393 |         MASTER-SAAO | P\\ |   180 | 16.0 |        
    4573 |         MASTER-SAAO | P\\ |   540 | 16.1 |  Coadd 
    5203 |         MASTER-SAAO | P\\ |  1800 | 16.4 |  Coadd 
    4393 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4573 |         MASTER-SAAO |  P/ |   540 | 16.2 |  Coadd 
    5203 |         MASTER-SAAO |  P/ |  1800 | 16.4 |  Coadd 
    4592 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    4592 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4803 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4803 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    5014 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
    5194 |         MASTER-SAAO |  P/ |   540 | 16.2 |  Coadd 
    5014 |         MASTER-SAAO | P\\ |   180 | 16.1 |        
    5194 |         MASTER-SAAO | P\\ |   540 | 16.2 |  Coadd 
    5224 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    5224 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    5435 |         MASTER-SAAO | P\\ |   180 | 16.2 |        
    7955 |         MASTER-SAAO | P\\ |  5220 | 16.7 |  Coadd 
    5435 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
    5647 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    5647 |         MASTER-SAAO | P\\ |   180 | 16.3 |        
    5827 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    5827 |         MASTER-SAAO | P\\ |   540 | 16.5 |  Coadd 
    5859 |         MASTER-SAAO | P\\ |   180 | 16.2 |        
    5859 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6069 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6069 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    6280 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6460 |         MASTER-SAAO | P\\ |   540 | 16.6 |  Coadd 
    6280 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6460 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    6491 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    7301 |         MASTER-SAAO | P\\ |  1800 | 16.7 |  Coadd 
    6491 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    7301 |         MASTER-SAAO |  P/ |  1800 | 16.7 |  Coadd 
    6701 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6701 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6912 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    7092 |         MASTER-SAAO | P\\ |   540 | 16.6 |  Coadd 
    6912 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    7092 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    7123 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7123 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7335 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    7335 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7545 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    7725 |         MASTER-SAAO | P\\ |   540 | 16.7 |  Coadd 
    7545 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    7725 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    7756 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7756 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7967 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7967 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8179 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    8359 |         MASTER-SAAO | P\\ |   540 | 16.7 |  Coadd 
    8179 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8359 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    8389 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    8389 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    8600 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9410 |         MASTER-SAAO | P\\ |  1800 | 16.9 |  Coadd 
    8600 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    9410 |         MASTER-SAAO |  P/ |  1800 | 16.6 |  Coadd 
    8799 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
    8979 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
    8799 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8979 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
    9010 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9010 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    9221 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9221 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    9421 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9601 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
    9421 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    9601 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    9632 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9632 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    9844 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    9844 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   10054 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   10234 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   10054 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   10234 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   10265 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
   10265 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   10464 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   10464 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   10676 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   10856 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   11486 |         MASTER-SAAO | P\\ |  1800 | 17.0 |  Coadd 
   10676 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   10856 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   11486 |         MASTER-SAAO |  P/ |  1800 | 16.8 |  Coadd 
   10887 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
   10887 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
   11098 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   11098 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   11309 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
   11489 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   11309 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   11489 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   11520 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   11520 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   11731 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   11731 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   11941 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12121 |         MASTER-SAAO | P\\ |   540 | 16.9 |  Coadd 
   11941 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
   12121 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   12154 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12154 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   12365 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   12365 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   12575 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12755 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   12575 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   12755 |         MASTER-SAAO |  P/ |   540 | 16.8 |  Coadd 
   12787 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   13597 |         MASTER-SAAO | P\\ |  1800 | 17.0 |  Coadd 
   12787 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   13597 |         MASTER-SAAO |  P/ |  1800 | 17.0 |  Coadd 
   12997 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12997 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   13197 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   13377 |         MASTER-SAAO | P\\ |   540 | 16.9 |  Coadd 
   13197 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   13377 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   13407 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   13407 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   13618 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   13618 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   13829 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   14009 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   13829 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   14009 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   14040 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   14040 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   14250 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   14250 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   14461 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   14641 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   14461 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
   14641 |         MASTER-SAAO |  P/ |   540 | 16.8 |  Coadd 
   14671 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   14671 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   14882 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15692 |         MASTER-SAAO | P\\ |  1800 | 17.3 |  Coadd 
   14882 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   15692 |         MASTER-SAAO |  P/ |  1800 | 17.0 |  Coadd 
   15093 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   15273 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   15093 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   15273 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   15304 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   15304 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   15515 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15515 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
   15715 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15895 |         MASTER-SAAO | P\\ |   540 | 17.1 |  Coadd 
   15715 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   15895 |         MASTER-SAAO |  P/ |   540 | 17.0 |  Coadd 
   15925 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15925 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16131 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   16131 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16342 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   16522 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   16342 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   16522 |         MASTER-SAAO |  P/ |   540 | 17.0 |  Coadd 
   16553 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   16553 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16764 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   16764 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16974 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   17154 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   17784 |         MASTER-SAAO | P\\ |  1800 | 17.0 |  Coadd 
   16974 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   17154 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   17185 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   17185 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   17396 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   17396 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   17607 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   17787 |         MASTER-SAAO | P\\ |   540 | 17.1 |  Coadd 
   17607 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   17787 |         MASTER-SAAO |  P/ |   540 | 17.0 |  Coadd 
   17818 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   17818 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   18028 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   18028 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   18239 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   18419 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   18239 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   18449 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   18449 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
   18659 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   18659 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   18839 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   19469 |         MASTER-SAAO |  P/ |  1800 | 17.4 |  Coadd 
   18871 |         MASTER-SAAO | P\\ |   180 | 17.3 |        
   19051 |         MASTER-SAAO | P\\ |   540 | 17.4 |  Coadd 
   18871 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19083 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   19893 |         MASTER-SAAO | P\\ |  1800 | 17.4 |  Coadd 
   19083 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19293 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   19293 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19473 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   19503 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   19683 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   19503 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19703 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   19703 |         MASTER-SAAO |  P/ |   180 | 16.9 |        
   19915 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   19915 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20095 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   20126 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20306 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   20126 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20336 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20336 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20547 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   20547 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20727 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   20758 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20938 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   20758 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21568 |         MASTER-SAAO |  P/ |  1800 | 17.4 |  Coadd 
   20970 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20970 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21181 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   21181 |         MASTER-SAAO |  P/ |   180 | 16.9 |        
   21361 |         MASTER-SAAO |  P/ |   540 | 17.2 |  Coadd 
   21392 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   21572 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   21392 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21603 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   21603 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21814 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   21814 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
   21994 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   22025 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   22025 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   22205 |         MASTER-SAAO | P\\ |   540 | 17.4 |  Coadd 
   22235 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   22235 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   22435 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   22435 |         MASTER-SAAO |  P/ |   180 | 16.9 |        
   22615 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   22646 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   22826 |         MASTER-SAAO | P\\ |   540 | 18.3 |  Coadd 
   22646 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
   22858 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   22858 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   23668 |         MASTER-SAAO |  P/ |  1800 | 19.0 |  Coadd 
   23317 |         MASTER-SAAO |   C |   180 | 18.4 |        
   23317 |         MASTER-SAAO |   C |   180 | 18.1 |        
   23497 |         MASTER-SAAO |   C |   540 | 18.6 |  Coadd 
   23517 |         MASTER-SAAO |   C |   180 | 18.4 |        
   23697 |         MASTER-SAAO |   C |   540 | 18.9 |  Coadd 
   24327 |         MASTER-SAAO |   C |  1800 | 19.1 |  Coadd 
   23517 |         MASTER-SAAO |   C |   180 | 18.1 |        
   23728 |         MASTER-SAAO |   C |   180 | 18.2 |        
   23728 |         MASTER-SAAO |   C |   180 | 18.0 |        
   23939 |         MASTER-SAAO |   C |   180 | 18.4 |        
   23939 |         MASTER-SAAO |   C |   180 | 18.2 |        
   24119 |         MASTER-SAAO |   C |   540 | 18.7 |  Coadd 
   24151 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24331 |         MASTER-SAAO |   C |   540 | 18.8 |  Coadd 
   24151 |         MASTER-SAAO |   C |   180 | 18.2 |        
   24364 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24364 |         MASTER-SAAO |   C |   180 | 18.2 |        
   24575 |         MASTER-SAAO |   C |   180 | 18.1 |        
   24575 |         MASTER-SAAO |   C |   180 | 17.9 |        
   24755 |         MASTER-SAAO |   C |   540 | 18.5 |  Coadd 
   24786 |         MASTER-SAAO |   C |   180 | 18.1 |        
   24786 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24966 |         MASTER-SAAO |   C |   540 | 18.8 |  Coadd 
   24998 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24998 |         MASTER-SAAO |   C |   180 | 18.1 |        
   25209 |         MASTER-SAAO |   C |   180 | 18.2 |        
   25209 |         MASTER-SAAO |   C |   180 | 18.0 |        
   25389 |         MASTER-SAAO |   C |   540 | 18.6 |  Coadd 
   25420 |         MASTER-SAAO |   C |   180 | 18.2 |        
   25420 |         MASTER-SAAO |   C |   180 | 18.4 |        
   25600 |         MASTER-SAAO |   C |   540 | 18.9 |  Coadd 
   25631 |         MASTER-SAAO |   C |   180 | 18.4 |        
   25631 |         MASTER-SAAO |   C |   180 | 18.2 |        
   25843 |         MASTER-SAAO |   C |   180 | 18.3 |        
   25843 |         MASTER-SAAO |   C |   180 | 18.2 |        
   26226 |         MASTER-SAAO |   C |   180 | 18.4 |        
   26226 |         MASTER-SAAO |   C |   180 | 18.2 |        
   27042 |         MASTER-SAAO |   C |   180 | 18.1 |        
   27042 |         MASTER-SAAO |   C |   180 | 18.0 |        
   27333 |         MASTER-SAAO |   C |   180 | 18.3 |        
   27333 |         MASTER-SAAO |   C |   180 | 18.2 |        
   28087 |         MASTER-SAAO |   C |    60 | 18.0 |        
   28087 |         MASTER-SAAO |   C |    60 | 18.1 |        
   28317 |         MASTER-SAAO |   C |   180 | 16.4 |        
   28317 |         MASTER-SAAO |   C |   180 | 17.1 |        
   28608 |         MASTER-SAAO |   C |   180 | 17.0 |        
   28608 |         MASTER-SAAO |   C |   180 | 16.4 |        
   29264 |         MASTER-SAAO |   C |    60 | 17.1 |        
   29264 |         MASTER-SAAO |   C |    60 | 16.8 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 8020
TYPE = 35
DAYS = 0.5


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 230405B ( K. L. Page et al., GCN 33571) errorbox  4283 sec after notice time and 4302 sec after trigger time at 2023-04-05 21:09:46 UT, with upper limit up to  19.1 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -56.4 deg. 

The galactic latitude b = -13 deg., longitude l = 346 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2208901

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    4393 |         MASTER-SAAO | P\\ |   180 | 16.0 |        
    4573 |         MASTER-SAAO | P\\ |   540 | 16.1 |  Coadd 
    5203 |         MASTER-SAAO | P\\ |  1800 | 16.4 |  Coadd 
    4393 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4573 |         MASTER-SAAO |  P/ |   540 | 16.2 |  Coadd 
    5203 |         MASTER-SAAO |  P/ |  1800 | 16.4 |  Coadd 
    4592 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    4592 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4803 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4803 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    5014 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
    5194 |         MASTER-SAAO |  P/ |   540 | 16.2 |  Coadd 
    5014 |         MASTER-SAAO | P\\ |   180 | 16.1 |        
    5194 |         MASTER-SAAO | P\\ |   540 | 16.2 |  Coadd 
    5224 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    5224 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    5435 |         MASTER-SAAO | P\\ |   180 | 16.2 |        
    5435 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
    5647 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    5647 |         MASTER-SAAO | P\\ |   180 | 16.3 |        
    5827 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    5827 |         MASTER-SAAO | P\\ |   540 | 16.5 |  Coadd 
    5859 |         MASTER-SAAO | P\\ |   180 | 16.2 |        
    5859 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6069 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6069 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    6280 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6460 |         MASTER-SAAO | P\\ |   540 | 16.6 |  Coadd 
    6280 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6460 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    6491 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    7301 |         MASTER-SAAO | P\\ |  1800 | 16.7 |  Coadd 
    6491 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    7301 |         MASTER-SAAO |  P/ |  1800 | 16.7 |  Coadd 
    6701 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6701 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6912 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    7092 |         MASTER-SAAO | P\\ |   540 | 16.6 |  Coadd 
    6912 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    7092 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    7123 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7123 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7335 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    7335 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7545 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    7725 |         MASTER-SAAO | P\\ |   540 | 16.7 |  Coadd 
    7545 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    7725 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    7756 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7756 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7967 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7967 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8179 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    8359 |         MASTER-SAAO | P\\ |   540 | 16.7 |  Coadd 
    8179 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8359 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    8389 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    8389 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    8600 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9410 |         MASTER-SAAO | P\\ |  1800 | 16.9 |  Coadd 
    8600 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    9410 |         MASTER-SAAO |  P/ |  1800 | 16.6 |  Coadd 
    8799 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
    8979 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
    8799 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8979 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
    9010 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9010 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    9221 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9221 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    9421 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9601 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
    9421 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    9601 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    9632 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9632 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    9844 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    9844 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   10054 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   10234 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   10054 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   10234 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   10265 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
   10265 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   10464 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   10464 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   10676 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   10856 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   11486 |         MASTER-SAAO | P\\ |  1800 | 17.0 |  Coadd 
   10676 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   10856 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   11486 |         MASTER-SAAO |  P/ |  1800 | 16.8 |  Coadd 
   10887 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
   10887 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
   11098 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   11098 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   11309 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
   11489 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   11309 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   11489 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   11520 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   11520 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   11731 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   11731 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   11941 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12121 |         MASTER-SAAO | P\\ |   540 | 16.9 |  Coadd 
   11941 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
   12121 |         MASTER-SAAO |  P/ |   540 | 16.7 |  Coadd 
   12154 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12154 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   12365 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   12365 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   12575 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12755 |         MASTER-SAAO | P\\ |   540 | 16.8 |  Coadd 
   12575 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   12755 |         MASTER-SAAO |  P/ |   540 | 16.8 |  Coadd 
   12787 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   13597 |         MASTER-SAAO | P\\ |  1800 | 17.0 |  Coadd 
   12787 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   13597 |         MASTER-SAAO |  P/ |  1800 | 17.0 |  Coadd 
   12997 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
   12997 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   13197 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   13377 |         MASTER-SAAO | P\\ |   540 | 16.9 |  Coadd 
   13197 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   13377 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   13407 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   13407 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   13618 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   13618 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   13829 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   14009 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   13829 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   14009 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   14040 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   14040 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   14250 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   14250 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   14461 |         MASTER-SAAO | P\\ |   180 | 16.7 |        
   14641 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   14461 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
   14641 |         MASTER-SAAO |  P/ |   540 | 16.8 |  Coadd 
   14671 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   14671 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   14882 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15692 |         MASTER-SAAO | P\\ |  1800 | 17.3 |  Coadd 
   14882 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   15692 |         MASTER-SAAO |  P/ |  1800 | 17.0 |  Coadd 
   15093 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   15273 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   15093 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   15273 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   15304 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   15304 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   15515 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15515 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
   15715 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15895 |         MASTER-SAAO | P\\ |   540 | 17.1 |  Coadd 
   15715 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   15895 |         MASTER-SAAO |  P/ |   540 | 17.0 |  Coadd 
   15925 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   15925 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16131 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   16131 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16342 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   16522 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   16342 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   16522 |         MASTER-SAAO |  P/ |   540 | 17.0 |  Coadd 
   16553 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   16553 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16764 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   16764 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   16974 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   17154 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   17784 |         MASTER-SAAO | P\\ |  1800 | 17.0 |  Coadd 
   16974 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
   17154 |         MASTER-SAAO |  P/ |   540 | 16.9 |  Coadd 
   17185 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   17185 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   17396 |         MASTER-SAAO | P\\ |   180 | 16.8 |        
   17396 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
   17607 |         MASTER-SAAO | P\\ |   180 | 16.9 |        
   17787 |         MASTER-SAAO | P\\ |   540 | 17.1 |  Coadd 
   17607 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   17787 |         MASTER-SAAO |  P/ |   540 | 17.0 |  Coadd 
   17818 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   17818 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   18028 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   18028 |         MASTER-SAAO |  P/ |   180 | 16.6 |        
   18239 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   18419 |         MASTER-SAAO | P\\ |   540 | 17.0 |  Coadd 
   18239 |         MASTER-SAAO |  P/ |   180 | 16.7 |        
   18449 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   18449 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
   18659 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   18659 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   18839 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   19469 |         MASTER-SAAO |  P/ |  1800 | 17.4 |  Coadd 
   18871 |         MASTER-SAAO | P\\ |   180 | 17.3 |        
   19051 |         MASTER-SAAO | P\\ |   540 | 17.4 |  Coadd 
   18871 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19083 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   19893 |         MASTER-SAAO | P\\ |  1800 | 17.4 |  Coadd 
   19083 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19293 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   19293 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19473 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   19503 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   19683 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   19503 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   19703 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   19703 |         MASTER-SAAO |  P/ |   180 | 16.9 |        
   19915 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   19915 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20095 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   20126 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20306 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   20126 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20336 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20336 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20547 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   20547 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   20727 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   20758 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20938 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   20758 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21568 |         MASTER-SAAO |  P/ |  1800 | 17.4 |  Coadd 
   20970 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   20970 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21181 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   21181 |         MASTER-SAAO |  P/ |   180 | 16.9 |        
   21361 |         MASTER-SAAO |  P/ |   540 | 17.2 |  Coadd 
   21392 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   21572 |         MASTER-SAAO | P\\ |   540 | 17.3 |  Coadd 
   21392 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21603 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   21603 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   21814 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   21814 |         MASTER-SAAO |  P/ |   180 | 16.8 |        
   21994 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   22025 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   22025 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   22205 |         MASTER-SAAO | P\\ |   540 | 17.4 |  Coadd 
   22235 |         MASTER-SAAO | P\\ |   180 | 17.2 |        
   22235 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   22435 |         MASTER-SAAO | P\\ |   180 | 17.0 |        
   22435 |         MASTER-SAAO |  P/ |   180 | 16.9 |        
   22615 |         MASTER-SAAO |  P/ |   540 | 17.3 |  Coadd 
   22646 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   22826 |         MASTER-SAAO | P\\ |   540 | 18.3 |  Coadd 
   22646 |         MASTER-SAAO |  P/ |   180 | 17.1 |        
   22858 |         MASTER-SAAO | P\\ |   180 | 17.1 |        
   22858 |         MASTER-SAAO |  P/ |   180 | 17.0 |        
   23668 |         MASTER-SAAO |  P/ |  1800 | 19.0 |  Coadd 
   23317 |         MASTER-SAAO |   C |   180 | 18.4 |        
   23317 |         MASTER-SAAO |   C |   180 | 18.1 |        
   23497 |         MASTER-SAAO |   C |   540 | 18.6 |  Coadd 
   23517 |         MASTER-SAAO |   C |   180 | 18.4 |        
   23697 |         MASTER-SAAO |   C |   540 | 18.9 |  Coadd 
   24327 |         MASTER-SAAO |   C |  1800 | 19.1 |  Coadd 
   23517 |         MASTER-SAAO |   C |   180 | 18.1 |        
   23728 |         MASTER-SAAO |   C |   180 | 18.2 |        
   23728 |         MASTER-SAAO |   C |   180 | 18.0 |        
   23939 |         MASTER-SAAO |   C |   180 | 18.4 |        
   23939 |         MASTER-SAAO |   C |   180 | 18.2 |        
   24119 |         MASTER-SAAO |   C |   540 | 18.7 |  Coadd 
   24151 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24331 |         MASTER-SAAO |   C |   540 | 18.8 |  Coadd 
   24151 |         MASTER-SAAO |   C |   180 | 18.2 |        
   24364 |         MASTER-SAAO |   C |   180 | 18.2 |        
   24364 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24575 |         MASTER-SAAO |   C |   180 | 18.1 |        
   24575 |         MASTER-SAAO |   C |   180 | 17.9 |        
   24755 |         MASTER-SAAO |   C |   540 | 18.5 |  Coadd 
   24786 |         MASTER-SAAO |   C |   180 | 18.1 |        
   24786 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24966 |         MASTER-SAAO |   C |   540 | 18.8 |  Coadd 
   24998 |         MASTER-SAAO |   C |   180 | 18.4 |        
   24998 |         MASTER-SAAO |   C |   180 | 18.1 |        
   25209 |         MASTER-SAAO |   C |   180 | 18.2 |        
   25209 |         MASTER-SAAO |   C |   180 | 18.0 |        
   25389 |         MASTER-SAAO |   C |   540 | 18.6 |  Coadd 
   25420 |         MASTER-SAAO |   C |   180 | 18.2 |        
   25420 |         MASTER-SAAO |   C |   180 | 18.4 |        
   25600 |         MASTER-SAAO |   C |   540 | 18.9 |  Coadd 
   25631 |         MASTER-SAAO |   C |   180 | 18.4 |        
   25631 |         MASTER-SAAO |   C |   180 | 18.2 |        
   25843 |         MASTER-SAAO |   C |   180 | 18.3 |        
   25843 |         MASTER-SAAO |   C |   180 | 18.2 |        
   26226 |         MASTER-SAAO |   C |   180 | 18.4 |        
   26226 |         MASTER-SAAO |   C |   180 | 18.2 |        
   27042 |         MASTER-SAAO |   C |   180 | 18.1 |        
   27042 |         MASTER-SAAO |   C |   180 | 18.0 |        
   27333 |         MASTER-SAAO |   C |   180 | 18.3 |        
   27333 |         MASTER-SAAO |   C |   180 | 18.2 |        
   28087 |         MASTER-SAAO |   C |    60 | 18.0 |        
   28087 |         MASTER-SAAO |   C |    60 | 18.1 |        
   28317 |         MASTER-SAAO |   C |   180 | 16.4 |        
   28317 |         MASTER-SAAO |   C |   180 | 17.1 |        
   28608 |         MASTER-SAAO |   C |   180 | 17.0 |        
   28608 |         MASTER-SAAO |   C |   180 | 16.4 |        
   29264 |         MASTER-SAAO |   C |    60 | 17.1 |        
   29264 |         MASTER-SAAO |   C |    60 | 16.8 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 8019
TYPE = 35
DAYS = 0.1


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 230405B ( K. L. Page et al., GCN 33571) errorbox  4283 sec after notice time and 4302 sec after trigger time at 2023-04-05 21:09:46 UT, with upper limit up to  16.9 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -56.4 deg. 

The galactic latitude b = -13 deg., longitude l = 346 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2208901

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    4393 |         MASTER-SAAO | P\\ |   180 | 16.0 |        
    4573 |         MASTER-SAAO | P\\ |   540 | 16.1 |  Coadd 
    5203 |         MASTER-SAAO | P\\ |  1800 | 16.4 |  Coadd 
    4393 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4573 |         MASTER-SAAO |  P/ |   540 | 16.2 |  Coadd 
    5203 |         MASTER-SAAO |  P/ |  1800 | 16.4 |  Coadd 
    4592 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    4592 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4803 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    4803 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    5014 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
    5194 |         MASTER-SAAO |  P/ |   540 | 16.2 |  Coadd 
    5014 |         MASTER-SAAO | P\\ |   180 | 16.1 |        
    5194 |         MASTER-SAAO | P\\ |   540 | 16.2 |  Coadd 
    5224 |         MASTER-SAAO | P\\ |   180 | 15.9 |        
    5224 |         MASTER-SAAO |  P/ |   180 | 16.0 |        
    5435 |         MASTER-SAAO | P\\ |   180 | 16.2 |        
    5435 |         MASTER-SAAO |  P/ |   180 | 16.1 |        
    5647 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    5647 |         MASTER-SAAO | P\\ |   180 | 16.3 |        
    5827 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    5827 |         MASTER-SAAO | P\\ |   540 | 16.5 |  Coadd 
    5859 |         MASTER-SAAO | P\\ |   180 | 16.2 |        
    5859 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6069 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6069 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    6280 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6460 |         MASTER-SAAO | P\\ |   540 | 16.6 |  Coadd 
    6280 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6460 |         MASTER-SAAO |  P/ |   540 | 16.4 |  Coadd 
    6491 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    7301 |         MASTER-SAAO | P\\ |  1800 | 16.7 |  Coadd 
    6491 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    7301 |         MASTER-SAAO |  P/ |  1800 | 16.7 |  Coadd 
    6701 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    6701 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    6912 |         MASTER-SAAO | P\\ |   180 | 16.4 |        
    7092 |         MASTER-SAAO | P\\ |   540 | 16.6 |  Coadd 
    6912 |         MASTER-SAAO |  P/ |   180 | 16.2 |        
    7092 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    7123 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7123 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7335 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    7335 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7545 |         MASTER-SAAO | P\\ |   180 | 16.5 |        
    7725 |         MASTER-SAAO | P\\ |   540 | 16.7 |  Coadd 
    7545 |         MASTER-SAAO |  P/ |   180 | 16.3 |        
    7725 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    7756 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7756 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    7967 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    7967 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8179 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    8359 |         MASTER-SAAO | P\\ |   540 | 16.7 |  Coadd 
    8179 |         MASTER-SAAO |  P/ |   180 | 16.5 |        
    8359 |         MASTER-SAAO |  P/ |   540 | 16.6 |  Coadd 
    8389 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    8389 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    8600 |         MASTER-SAAO | P\\ |   180 | 16.6 |        
    9410 |         MASTER-SAAO | P\\ |  1800 | 16.9 |  Coadd 
    8600 |         MASTER-SAAO |  P/ |   180 | 16.4 |        
    9410 |         MASTER-SAAO |  P/ |  1800 | 16.6 |  Coadd 


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 8018
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 230405B ( K. L. Page et al., GCN 33571) errorbox  4283 sec after notice time and 4302 sec after trigger time at 2023-04-05 21:09:46 UT, with upper limit up to  16.0 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -56.4 deg. 

The galactic latitude b = -13 deg., longitude l = 346 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2208901

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    4393 |         MASTER-SAAO | P\\ |   180 | 16.0 |        
    4393 |         MASTER-SAAO |  P/ |   180 | 16.0 |        


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 8017
TYPE = 35
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 230405B ( K. L. Page et al., GCN 33571) errorbox  4283 sec after notice time and 4302 sec after trigger time at 2023-04-05 21:09:46 UT, with upper limit up to  16.0 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -56.4 deg. 

The galactic latitude b = -13 deg., longitude l = 346 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2208901

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    4393 |         MASTER-SAAO | P\\ |   180 | 16.0 |        
    4393 |         MASTER-SAAO |  P/ |   180 | 16.0 |        


The observation and reduction will continue. 
The message may be cited.



#######################################################################################
#######################################################################################

  ID = 8016
TYPE = 34
DAYS = 0


MASTER-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) was pointed to the SWIFT GRB 230405B ( K. L. Page et al., GCN 33571) errorbox  4283 sec after notice time and 4302 sec after trigger time at 2023-04-05 21:09:46 UT, with upper limit up to  16.0 mag. The observations began at zenith distance = 73 deg. The sun  altitude  is -56.4 deg. 

The galactic latitude b = -13 deg., longitude l = 346 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2208901

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    4393 |         MASTER-SAAO | P\\ |   180 | 16.0 |        
    4393 |         MASTER-SAAO |  P/ |   180 | 16.0 |        


The observation and reduction will continue. 
The message may be cited.

MASTER, 2002-2024

MASTER Net MASTER Database: GRB230405.84 page

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Search: proc_data raw_data stars sn lc Moving objects Transients Trans_alert(SWIFT) Short Two tube Tr. difference SN CND Asteroids wide_field Diff Transients + Vis. Gal. Transients + All Gal. GCN Transients.

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Amur

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Amur

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Amur

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Kislovodsk

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Vostryakovo

MASTER WFC:
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SN | Asteroid | Transient | Comet

MASTER II:
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SN | Asteroid | Transient | Two tube | Short transient | Tr. difference | Comet | Nova M31 | GRB | GRB_HPX | LIGO
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