MASTER Net MASTER Database: LIGO GRB230723.49 alert (last error box)

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 FERMI GRB230723.49
Type 2 (last error box)
Trigger time 2023-07-23 11:42:33.03
Notice time 2023-07-23 11:43:26.743913
Distance ± Mpc
BNS BHH NSBH Gap Terr
Galaxy in: 50%
90%
FULL

This work was supported by RFBR BRICS 17-52-80133 grant.
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)

DAYS:
Coverage since triggertime up to

ALL PLOTS
datetime T - Trig [h] T - Not [h] Area [sq. deg]
Box 50% 90% FULL
[%] 19.2 13.3 13.6
2023-08-06 11:42:33 336.0 336.0 99.6

Map with WFC

Discoveries in this field
No discoveries yet!

Synchronous WFC images
datetime coord2000 observatory camera links
Errorbox center visibility at MASTER facilities
SELECT set_sphere_output('HMS'); select set_sphere_output_precision(1); select distinct on (gn) get_grb_name2 (grbtime, satel ) as gn, coord2000, satel, errorbox, 'now'::timestamp,'now'::timestamp+'1 hour'::interval,grbtime+'1 hour'::interval from grb where tabs(grbtime-'2023-07-23 11:42:33.03')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2023-07-23 11:42:33 (JD 2460148.987882)

Siderial time 10.280971 h

Ra 16:37:07.92 Dec -1:55:01.20
(249.283000d, -1.917000d)

Rise 2023-07-23 15:09:59

Transit 2023-07-23 21:01:47

Set 2023-07-24 02:53:34

Amur

Object: Altitude: 37.57 Azimuth: 353.43

Sun: Altitude: -2.93 Azimuth: 126.99

Moon: Altitude: 18.95 Azimuth: 67.40

Tunka

Object: Altitude: 30.72 Azimuth: 324.93

Sun: Altitude: 11.29 Azimuth: 108.31

Moon: Altitude: 30.76 Azimuth: 43.70

Kislovodsk

Object: Altitude: -1.44 Azimuth: 271.27

Sun: Altitude: 51.33 Azimuth: 64.34

Moon: Altitude: 42.19 Azimuth: 326.54

Tavrida

Object: Altitude: -7.50 Azimuth: 265.24

Sun: Altitude: 56.02 Azimuth: 52.94

Moon: Altitude: 37.65 Azimuth: 317.10

SAAO

Object: Altitude: -17.25 Azimuth: 283.79

Sun: Altitude: 35.51 Azimuth: 162.45

Moon: Altitude: 35.37 Azimuth: 241.57

IAC

Object: Altitude: -50.51 Azimuth: 233.59

Sun: Altitude: 68.25 Azimuth: 287.11

Moon: Altitude: 6.52 Azimuth: 272.35

Argentina

Object: Altitude: -50.34 Azimuth: 35.94

Sun: Altitude: 1.45 Azimuth: 245.10

Moon: Altitude: -38.34 Azimuth: 297.62

Mexico

Object: Altitude: -23.89 Azimuth: 102.94

Sun: Altitude: -10.11 Azimuth: 238.96

Moon: Altitude: -57.80 Azimuth: 185.59

Ural

Object: Altitude: 7.45 Azimuth: 285.28

Sun: Altitude: 36.16 Azimuth: 69.94

Moon: Altitude: 33.70 Azimuth: 351.46

Vostryakovo

Object: Altitude: -4.35 Azimuth: 267.07

Sun: Altitude: 47.30 Azimuth: 47.46

Moon: Altitude: 30.82 Azimuth: 325.85

Gal. latitude: 27.868582 Gal. longitude: 14.535883

Dist. to Sun: 125.211571

Dist. to Moon: 66.104840

Moon coord.: (183.233933 d, 1.023963 d)

Sun coord.: (122.253640 d, 20.141570 d)

Lunar disk: 0.270336

Lunar phase: 117.343738

Lunar bright limb: 292.266695

No SN in this field

2023-07-23 11:43:26 (JD 2460148.988495)

Siderial time 10.295733 h

Ra 16:37:07.92 Dec -1:55:01.20
(249.283000d, -1.917000d)

Rise 2023-07-23 15:09:59

Transit 2023-07-23 21:01:47

Set 2023-07-24 02:53:34

Amur

Object: Altitude: 37.59 Azimuth: 353.71

Sun: Altitude: -3.04 Azimuth: 127.16

Moon: Altitude: 18.82 Azimuth: 67.58

Tunka

Object: Altitude: 30.80 Azimuth: 325.17

Sun: Altitude: 11.16 Azimuth: 108.47

Moon: Altitude: 30.66 Azimuth: 43.93

Kislovodsk

Object: Altitude: -1.28 Azimuth: 271.43

Sun: Altitude: 51.18 Azimuth: 64.58

Moon: Altitude: 42.27 Azimuth: 326.81

Tavrida

Object: Altitude: -7.35 Azimuth: 265.40

Sun: Altitude: 55.90 Azimuth: 53.23

Moon: Altitude: 37.75 Azimuth: 317.34

SAAO

Object: Altitude: -17.07 Azimuth: 283.66

Sun: Altitude: 35.46 Azimuth: 162.21

Moon: Altitude: 35.53 Azimuth: 241.40

IAC

Object: Altitude: -50.35 Azimuth: 233.83

Sun: Altitude: 68.43 Azimuth: 287.36

Moon: Altitude: 6.71 Azimuth: 272.46

Argentina

Object: Altitude: -50.45 Azimuth: 35.64

Sun: Altitude: 1.62 Azimuth: 244.99

Moon: Altitude: -38.17 Azimuth: 297.44

Mexico

Object: Altitude: -24.08 Azimuth: 103.08

Sun: Altitude: -9.95 Azimuth: 239.09

Moon: Altitude: -57.78 Azimuth: 186.00

Ural

Object: Altitude: 7.56 Azimuth: 285.47

Sun: Altitude: 36.04 Azimuth: 70.16

Moon: Altitude: 33.71 Azimuth: 351.72

Vostryakovo

Object: Altitude: -4.22 Azimuth: 267.26

Sun: Altitude: 47.21 Azimuth: 47.73

Moon: Altitude: 30.88 Azimuth: 326.09

Gal. latitude: 27.868582 Gal. longitude: 14.535883

Dist. to Sun: 125.211039

Dist. to Moon: 66.098178

Moon coord.: (183.240449 d, 1.020509 d)

Sun coord.: (122.254250 d, 20.141446 d)

Lunar disk: 0.270389

Lunar phase: 117.336974

Lunar bright limb: 292.267161

No SN in this field

2023-07-23 12:43:26 (JD 2460149.030162)

Siderial time 11.298471 h

Ra 16:37:07.92 Dec -1:55:01.20
(249.283000d, -1.917000d)

Rise 2023-07-24 15:06:03

Transit 2023-07-24 20:57:51

Set 2023-07-25 02:49:39

Amur

Object: Altitude: 37.06 Azimuth: 12.64

Sun: Altitude: -10.01 Azimuth: 139.48

Moon: Altitude: 9.71 Azimuth: 79.37

Tunka

Object: Altitude: 34.91 Azimuth: 342.41

Sun: Altitude: 2.70 Azimuth: 119.82

Moon: Altitude: 23.44 Azimuth: 58.20

Kislovodsk

Object: Altitude: 9.49 Azimuth: 281.95

Sun: Altitude: 40.90 Azimuth: 78.53

Moon: Altitude: 46.25 Azimuth: 346.49

Tavrida

Object: Altitude: 3.32 Azimuth: 276.01

Sun: Altitude: 46.51 Azimuth: 70.11

Moon: Altitude: 43.31 Azimuth: 335.15

SAAO

Object: Altitude: -4.55 Azimuth: 275.17

Sun: Altitude: 29.98 Azimuth: 146.76

Moon: Altitude: 45.76 Azimuth: 227.59

IAC

Object: Altitude: -38.79 Azimuth: 247.42

Sun: Altitude: 79.67 Azimuth: 320.71

Moon: Altitude: 19.36 Azimuth: 279.95

Argentina

Object: Altitude: -55.68 Azimuth: 12.03

Sun: Altitude: 12.73 Azimuth: 236.27

Moon: Altitude: -26.54 Azimuth: 286.96

Mexico

Object: Altitude: -36.32 Azimuth: 113.21

Sun: Altitude: 1.52 Azimuth: 247.30

Moon: Altitude: -53.96 Azimuth: 211.28

Ural

Object: Altitude: 15.13 Azimuth: 298.73

Sun: Altitude: 28.10 Azimuth: 83.90

Moon: Altitude: 33.41 Azimuth: 9.26

Vostryakovo

Object: Altitude: 4.29 Azimuth: 279.66

Sun: Altitude: 40.13 Azimuth: 64.62

Moon: Altitude: 34.22 Azimuth: 342.97

Gal. latitude: 27.868582 Gal. longitude: 14.535883

Dist. to Sun: 125.174896

Dist. to Moon: 65.645725

Moon coord.: (183.683120 d, 0.785804 d)

Sun coord.: (122.295649 d, 20.132996 d)

Lunar disk: 0.273959

Lunar phase: 116.877396

Lunar bright limb: 292.297564

No SN in this field

2025-05-11 13:49:35 (JD 2460807.076100)

Siderial time 7.641054 h

Ra 16:37:07.92 Dec -1:55:01.20
(249.283000d, -1.917000d)

Rise 2025-05-12 19:51:03

Transit 2025-05-13 01:42:50

Set 2025-05-12 07:38:35

Amur

Object: Altitude: 25.28 Azimuth: 308.84

Sun: Altitude: -18.56 Azimuth: 156.06

Moon: Altitude: 21.48 Azimuth: 349.33

Tunka

Object: Altitude: 11.12 Azimuth: 287.77

Sun: Altitude: -8.58 Azimuth: 134.11

Moon: Altitude: 14.26 Azimuth: 325.82

Kislovodsk

Object: Altitude: -29.01 Azimuth: 241.46

Sun: Altitude: 25.77 Azimuth: 90.67

Moon: Altitude: -15.86 Azimuth: 279.37

Tavrida

Object: Altitude: -33.60 Azimuth: 233.01

Sun: Altitude: 31.81 Azimuth: 84.04

Moon: Altitude: -22.03 Azimuth: 273.32

SAAO

Object: Altitude: -46.36 Azimuth: 316.25

Sun: Altitude: 20.91 Azimuth: 129.28

Moon: Altitude: -11.81 Azimuth: 299.88

IAC

Object: Altitude: -62.31 Azimuth: 160.80

Sun: Altitude: 74.79 Azimuth: 49.76

Moon: Altitude: -64.18 Azimuth: 251.03

Argentina

Object: Altitude: -22.72 Azimuth: 72.40

Sun: Altitude: 26.80 Azimuth: 223.98

Moon: Altitude: -34.14 Azimuth: 31.79

Mexico

Object: Altitude: 9.82 Azimuth: 81.73

Sun: Altitude: 16.04 Azimuth: 258.39

Moon: Altitude: -27.26 Azimuth: 85.04

Ural

Object: Altitude: -13.79 Azimuth: 251.63

Sun: Altitude: 15.95 Azimuth: 98.54

Moon: Altitude: -8.56 Azimuth: 289.24

Vostryakovo

Object: Altitude: -25.17 Azimuth: 232.00

Sun: Altitude: 28.00 Azimuth: 81.05

Moon: Altitude: -20.09 Azimuth: 272.09

Gal. latitude: 27.868582 Gal. longitude: 14.535883

Dist. to Sun: 153.927906

Dist. to Moon: 37.221641

Moon coord.: (214.891529 d, -17.585167 d)

Sun coord.: (48.333869 d, 17.952667 d)

Lunar disk: 0.987633

Lunar phase: 12.769925

Lunar bright limb: 273.810627

No SN in this field
Recent coverage and limits telegrams
#######################################################################################
#######################################################################################

  ID = 8535
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 230723B ( K. L. Page et al., GCN 34234) errorbox  18882 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

The galactic latitude b = 25 deg., longitude l = 12 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243736

We obtain a following upper limits.  

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

   18990 |         MASTER-SAAO |   C |   180 | 18.1 |        
   18990 |         MASTER-SAAO |   C |   180 | 19.1 |        
   19201 |         MASTER-SAAO |   C |   180 | 18.4 |        
   19201 |         MASTER-SAAO |   C |   180 | 19.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8536
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 230723B ( K. L. Page et al., GCN 34234) errorbox  18882 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

The galactic latitude b = 25 deg., longitude l = 12 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243736

We obtain a following upper limits.  

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

   18990 |         MASTER-SAAO |   C |   180 | 18.1 |        
   18990 |         MASTER-SAAO |   C |   180 | 19.1 |        
   19201 |         MASTER-SAAO |   C |   180 | 18.4 |        
   19201 |         MASTER-SAAO |   C |   180 | 19.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8537
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 230723B ( K. L. Page et al., GCN 34234) errorbox  18882 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  19.3 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

The galactic latitude b = 25 deg., longitude l = 12 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243736

We obtain a following upper limits.  

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

   18990 |         MASTER-SAAO |   C |   180 | 18.1 |        
   18990 |         MASTER-SAAO |   C |   180 | 19.1 |        
   19201 |         MASTER-SAAO |   C |   180 | 18.4 |        
   19201 |         MASTER-SAAO |   C |   180 | 19.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8538
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 230723B ( K. L. Page et al., GCN 34234) errorbox  18882 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  20.0 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

The galactic latitude b = 25 deg., longitude l = 12 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243736

We obtain a following upper limits.  

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

   18990 |         MASTER-SAAO |   C |   180 | 18.1 |        
   18990 |         MASTER-SAAO |   C |   180 | 19.1 |        
   19170 |         MASTER-SAAO |   C |   540 | 19.9 |  Coadd 
   19201 |         MASTER-SAAO |   C |   180 | 18.4 |        
   19201 |         MASTER-SAAO |   C |   180 | 19.3 |        
   19401 |         MASTER-SAAO |   C |   180 | 17.3 |        
   19581 |         MASTER-SAAO |   C |   540 | 19.7 |  Coadd 
   19401 |         MASTER-SAAO |   C |   180 | 19.3 |        
   19613 |         MASTER-SAAO |   C |   180 | 19.4 |        
   19613 |         MASTER-SAAO |   C |   180 | 19.4 |        
   19793 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   19823 |         MASTER-SAAO |   C |   180 | 19.4 |        
   19823 |         MASTER-SAAO |   C |   180 | 19.4 |        
   20035 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20215 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   20035 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20246 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20246 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20426 |         MASTER-SAAO |   C |   540 | 19.9 |  Coadd 
   20457 |         MASTER-SAAO |   C |   180 | 19.3 |        
   20457 |         MASTER-SAAO |   C |   180 | 19.3 |        
   20669 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20849 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   20669 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20879 |         MASTER-SAAO |   C |   180 | 19.4 |        
   20879 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21059 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   21091 |         MASTER-SAAO |   C |   180 | 19.3 |        
   21091 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21303 |         MASTER-SAAO |   C |   180 | 19.2 |        
   21483 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   21303 |         MASTER-SAAO |   C |   180 | 19.3 |        
   21515 |         MASTER-SAAO |   C |   180 | 19.5 |        
   21515 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21695 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   21726 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21726 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21937 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21937 |         MASTER-SAAO |   C |   180 | 19.5 |        
   22149 |         MASTER-SAAO |   C |   180 | 19.5 |        
   22149 |         MASTER-SAAO |   C |   180 | 19.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8549
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) started inspect of the FERMI GRB 230723B ( J.Mangan et al., GCN 34249) errorbox  18869 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  20.0 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 230723B errorbox  46157 sec after notice time and 46188 sec after trigger time at 2023-07-24 00:32:21 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 27 deg. The sun  altitude  is -33.5 deg. 

The galactic latitude b = 24 deg., longitude l =  9 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243751

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 40m 11.83s , -05d 25m 14.5s) |   C |   180 | 18.1 |        
   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   180 | 19.1 |        
   19170 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   540 | 19.9 |  Coadd 
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 40m 18.49s , -05d 24m 49.4s) |   C |   180 | 18.4 |        
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 41m 12.34s , -05d 23m 19.8s) |   C |   180 | 19.3 |        
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.71s , -05d 23m 16.5s) |   C |   180 | 17.3 |        
   19581 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.34s , -05d 23m 38.4s) |   C |   540 | 19.7 |  Coadd 
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 41m 09.18s , -05d 22m 10.8s) |   C |   180 | 19.3 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 40m 15.69s , -05d 24m 33.8s) |   C |   180 | 19.4 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   180 | 19.4 |        
   19793 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   540 | 20.0 |  Coadd 
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 40m 19.60s , -05d 23m 01.3s) |   C |   180 | 19.4 |        
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 41m 13.25s , -05d 21m 56.3s) |   C |   180 | 19.4 |        
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.42s , -05d 23m 42.4s) |   C |   180 | 19.5 |        
   20215 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.43s , -05d 23m 42.4s) |   C |   540 | 20.0 |  Coadd 
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 41m 07.19s , -05d 22m 38.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 40m 13.04s , -05d 22m 41.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.90s , -05d 21m 37.6s) |   C |   180 | 19.5 |        
   20426 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.91s , -05d 21m 37.6s) |   C |   540 | 19.9 |  Coadd 
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 40m 19.20s , -05d 23m 39.0s) |   C |   180 | 19.3 |        
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 41m 13.11s , -05d 22m 36.3s) |   C |   180 | 19.3 |        
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.37s , -05d 24m 36.2s) |   C |   180 | 19.5 |        
   20849 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.39s , -05d 24m 36.2s) |   C |   540 | 20.0 |  Coadd 
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 41m 07.34s , -05d 23m 34.5s) |   C |   180 | 19.5 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 40m 18.76s , -05d 24m 23.6s) |   C |   180 | 19.4 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.78s , -05d 23m 22.0s) |   C |   180 | 19.4 |        
   21059 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.80s , -05d 23m 22.0s) |   C |   540 | 20.0 |  Coadd 
   21090 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 40m 15.53s , -05d 22m 38.4s) |   C |   180 | 19.3 |        
   21091 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 41m 09.64s , -05d 21m 37.0s) |   C |   180 | 19.4 |        
   21303 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.53s , -05d 24m 23.0s) |   C |   180 | 19.2 |        
   21483 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.51s , -05d 24m 23.0s) |   C |   540 | 20.0 |  Coadd 
   21303 | 2023-07-23 17:36:06 |         MASTER-SAAO | (16h 41m 09.66s , -05d 23m 22.3s) |   C |   180 | 19.3 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 40m 18.04s , -05d 22m 53.8s) |   C |   180 | 19.5 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   180 | 19.4 |        
   21695 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   540 | 20.0 |  Coadd 
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 40m 12.64s , -05d 23m 27.9s) |   C |   180 | 19.4 |        
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 41m 06.84s , -05d 22m 27.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 40m 11.90s , -05d 22m 26.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 41m 06.19s , -05d 21m 26.9s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 40m 19.45s , -05d 23m 24.3s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 41m 13.80s , -05d 22m 25.3s) |   C |   180 | 19.5 |        
   46279 | 2023-07-24 00:32:21 |         MASTER-OAFA | (16h 39m 52.71s , -05d 14m 19.4s) |   C |   180 | 18.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8539
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) started inspect of the FERMI GRB230723.49 (trigger No 711805358,16h 37m 21.60s , -08d 20m 24.0s, R=3.59) errorbox  18869 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  20.0 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB230723.49 errorbox  46157 sec after notice time and 46188 sec after trigger time at 2023-07-24 00:32:21 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 27 deg. The sun  altitude  is -33.5 deg. 

The galactic latitude b = 24 deg., longitude l =  9 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243778

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 40m 11.83s , -05d 25m 14.5s) |   C |   180 | 18.1 |        
   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   180 | 19.1 |        
   19170 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   540 | 19.9 |  Coadd 
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 40m 18.49s , -05d 24m 49.4s) |   C |   180 | 18.4 |        
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 41m 12.34s , -05d 23m 19.8s) |   C |   180 | 19.3 |        
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.71s , -05d 23m 16.5s) |   C |   180 | 17.3 |        
   19581 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.34s , -05d 23m 38.4s) |   C |   540 | 19.7 |  Coadd 
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 41m 09.18s , -05d 22m 10.8s) |   C |   180 | 19.3 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 40m 15.69s , -05d 24m 33.8s) |   C |   180 | 19.4 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   180 | 19.4 |        
   19793 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   540 | 20.0 |  Coadd 
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 40m 19.60s , -05d 23m 01.3s) |   C |   180 | 19.4 |        
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 41m 13.25s , -05d 21m 56.3s) |   C |   180 | 19.4 |        
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.42s , -05d 23m 42.4s) |   C |   180 | 19.5 |        
   20215 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.43s , -05d 23m 42.4s) |   C |   540 | 20.0 |  Coadd 
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 41m 07.19s , -05d 22m 38.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 40m 13.04s , -05d 22m 41.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.90s , -05d 21m 37.6s) |   C |   180 | 19.5 |        
   20426 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.91s , -05d 21m 37.6s) |   C |   540 | 19.9 |  Coadd 
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 40m 19.20s , -05d 23m 39.0s) |   C |   180 | 19.3 |        
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 41m 13.11s , -05d 22m 36.3s) |   C |   180 | 19.3 |        
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.37s , -05d 24m 36.2s) |   C |   180 | 19.5 |        
   20849 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.39s , -05d 24m 36.2s) |   C |   540 | 20.0 |  Coadd 
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 41m 07.34s , -05d 23m 34.5s) |   C |   180 | 19.5 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 40m 18.76s , -05d 24m 23.6s) |   C |   180 | 19.4 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.78s , -05d 23m 22.0s) |   C |   180 | 19.4 |        
   21059 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.80s , -05d 23m 22.0s) |   C |   540 | 20.0 |  Coadd 
   21090 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 40m 15.53s , -05d 22m 38.4s) |   C |   180 | 19.3 |        
   21091 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 41m 09.64s , -05d 21m 37.0s) |   C |   180 | 19.4 |        
   21303 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.53s , -05d 24m 23.0s) |   C |   180 | 19.2 |        
   21483 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.51s , -05d 24m 23.0s) |   C |   540 | 20.0 |  Coadd 
   21303 | 2023-07-23 17:36:06 |         MASTER-SAAO | (16h 41m 09.66s , -05d 23m 22.3s) |   C |   180 | 19.3 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 40m 18.04s , -05d 22m 53.8s) |   C |   180 | 19.5 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   180 | 19.4 |        
   21695 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   540 | 20.0 |  Coadd 
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 40m 12.64s , -05d 23m 27.9s) |   C |   180 | 19.4 |        
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 41m 06.84s , -05d 22m 27.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 40m 11.90s , -05d 22m 26.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 41m 06.19s , -05d 21m 26.9s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 40m 19.45s , -05d 23m 24.3s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 41m 13.80s , -05d 22m 25.3s) |   C |   180 | 19.5 |        
   46279 | 2023-07-24 00:32:21 |         MASTER-OAFA | (16h 39m 52.71s , -05d 14m 19.4s) |   C |   180 | 18.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8540
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) started inspect of the FERMI GRB230723.49 (trigger No 711805358,16h 37m 21.60s , -08d 20m 24.0s, R=3.59) errorbox  18869 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  20.0 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB230723.49 errorbox  46157 sec after notice time and 46188 sec after trigger time at 2023-07-24 00:32:21 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 27 deg. The sun  altitude  is -33.5 deg. 

The galactic latitude b = 24 deg., longitude l =  9 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243778

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 40m 11.83s , -05d 25m 14.5s) |   C |   180 | 18.1 |        
   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   180 | 19.1 |        
   19170 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   540 | 19.9 |  Coadd 
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 40m 18.49s , -05d 24m 49.4s) |   C |   180 | 18.4 |        
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 41m 12.34s , -05d 23m 19.8s) |   C |   180 | 19.3 |        
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.71s , -05d 23m 16.5s) |   C |   180 | 17.3 |        
   19581 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.34s , -05d 23m 38.4s) |   C |   540 | 19.7 |  Coadd 
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 41m 09.18s , -05d 22m 10.8s) |   C |   180 | 19.3 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 40m 15.69s , -05d 24m 33.8s) |   C |   180 | 19.4 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   180 | 19.4 |        
   19793 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   540 | 20.0 |  Coadd 
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 40m 19.60s , -05d 23m 01.3s) |   C |   180 | 19.4 |        
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 41m 13.25s , -05d 21m 56.3s) |   C |   180 | 19.4 |        
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.42s , -05d 23m 42.4s) |   C |   180 | 19.5 |        
   20215 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.43s , -05d 23m 42.4s) |   C |   540 | 20.0 |  Coadd 
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 41m 07.19s , -05d 22m 38.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 40m 13.04s , -05d 22m 41.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.90s , -05d 21m 37.6s) |   C |   180 | 19.5 |        
   20426 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.91s , -05d 21m 37.6s) |   C |   540 | 19.9 |  Coadd 
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 40m 19.20s , -05d 23m 39.0s) |   C |   180 | 19.3 |        
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 41m 13.11s , -05d 22m 36.3s) |   C |   180 | 19.3 |        
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.37s , -05d 24m 36.2s) |   C |   180 | 19.5 |        
   20849 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.39s , -05d 24m 36.2s) |   C |   540 | 20.0 |  Coadd 
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 41m 07.34s , -05d 23m 34.5s) |   C |   180 | 19.5 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 40m 18.76s , -05d 24m 23.6s) |   C |   180 | 19.4 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.78s , -05d 23m 22.0s) |   C |   180 | 19.4 |        
   21059 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.80s , -05d 23m 22.0s) |   C |   540 | 20.0 |  Coadd 
   21090 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 40m 15.53s , -05d 22m 38.4s) |   C |   180 | 19.3 |        
   21091 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 41m 09.64s , -05d 21m 37.0s) |   C |   180 | 19.4 |        
   21303 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.53s , -05d 24m 23.0s) |   C |   180 | 19.2 |        
   21483 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.51s , -05d 24m 23.0s) |   C |   540 | 20.0 |  Coadd 
   21303 | 2023-07-23 17:36:06 |         MASTER-SAAO | (16h 41m 09.66s , -05d 23m 22.3s) |   C |   180 | 19.3 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 40m 18.04s , -05d 22m 53.8s) |   C |   180 | 19.5 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   180 | 19.4 |        
   21695 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   540 | 20.0 |  Coadd 
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 40m 12.64s , -05d 23m 27.9s) |   C |   180 | 19.4 |        
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 41m 06.84s , -05d 22m 27.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 40m 11.90s , -05d 22m 26.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 41m 06.19s , -05d 21m 26.9s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 40m 19.45s , -05d 23m 24.3s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 41m 13.80s , -05d 22m 25.3s) |   C |   180 | 19.5 |        
   46279 | 2023-07-24 00:32:21 |         MASTER-OAFA | (16h 39m 52.71s , -05d 14m 19.4s) |   C |   180 | 18.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8541
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) started inspect of the FERMI GRB230723.49 (trigger No 711805358,16h 37m 21.60s , -08d 20m 24.0s, R=3.59) errorbox  18869 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  20.0 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB230723.49 errorbox  46157 sec after notice time and 46188 sec after trigger time at 2023-07-24 00:32:21 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 27 deg. The sun  altitude  is -33.5 deg. 

The galactic latitude b = 24 deg., longitude l =  9 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243778

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 40m 11.83s , -05d 25m 14.5s) |   C |   180 | 18.1 |        
   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   180 | 19.1 |        
   19170 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   540 | 19.9 |  Coadd 
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 40m 18.49s , -05d 24m 49.4s) |   C |   180 | 18.4 |        
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 41m 12.34s , -05d 23m 19.8s) |   C |   180 | 19.3 |        
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.71s , -05d 23m 16.5s) |   C |   180 | 17.3 |        
   19581 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.34s , -05d 23m 38.4s) |   C |   540 | 19.7 |  Coadd 
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 41m 09.18s , -05d 22m 10.8s) |   C |   180 | 19.3 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 40m 15.69s , -05d 24m 33.8s) |   C |   180 | 19.4 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   180 | 19.4 |        
   19793 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   540 | 20.0 |  Coadd 
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 40m 19.60s , -05d 23m 01.3s) |   C |   180 | 19.4 |        
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 41m 13.25s , -05d 21m 56.3s) |   C |   180 | 19.4 |        
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.42s , -05d 23m 42.4s) |   C |   180 | 19.5 |        
   20215 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.43s , -05d 23m 42.4s) |   C |   540 | 20.0 |  Coadd 
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 41m 07.19s , -05d 22m 38.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 40m 13.04s , -05d 22m 41.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.90s , -05d 21m 37.6s) |   C |   180 | 19.5 |        
   20426 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.91s , -05d 21m 37.6s) |   C |   540 | 19.9 |  Coadd 
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 40m 19.20s , -05d 23m 39.0s) |   C |   180 | 19.3 |        
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 41m 13.11s , -05d 22m 36.3s) |   C |   180 | 19.3 |        
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.37s , -05d 24m 36.2s) |   C |   180 | 19.5 |        
   20849 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.39s , -05d 24m 36.2s) |   C |   540 | 20.0 |  Coadd 
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 41m 07.34s , -05d 23m 34.5s) |   C |   180 | 19.5 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 40m 18.76s , -05d 24m 23.6s) |   C |   180 | 19.4 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.78s , -05d 23m 22.0s) |   C |   180 | 19.4 |        
   21059 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.80s , -05d 23m 22.0s) |   C |   540 | 20.0 |  Coadd 
   21090 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 40m 15.53s , -05d 22m 38.4s) |   C |   180 | 19.3 |        
   21091 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 41m 09.64s , -05d 21m 37.0s) |   C |   180 | 19.4 |        
   21303 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.53s , -05d 24m 23.0s) |   C |   180 | 19.2 |        
   21483 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.51s , -05d 24m 23.0s) |   C |   540 | 20.0 |  Coadd 
   21303 | 2023-07-23 17:36:06 |         MASTER-SAAO | (16h 41m 09.66s , -05d 23m 22.3s) |   C |   180 | 19.3 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 40m 18.04s , -05d 22m 53.8s) |   C |   180 | 19.5 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   180 | 19.4 |        
   21695 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   540 | 20.0 |  Coadd 
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 40m 12.64s , -05d 23m 27.9s) |   C |   180 | 19.4 |        
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 41m 06.84s , -05d 22m 27.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 40m 11.90s , -05d 22m 26.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 41m 06.19s , -05d 21m 26.9s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 40m 19.45s , -05d 23m 24.3s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 41m 13.80s , -05d 22m 25.3s) |   C |   180 | 19.5 |        
   46279 | 2023-07-24 00:32:21 |         MASTER-OAFA | (16h 39m 52.71s , -05d 14m 19.4s) |   C |   180 | 18.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8550
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 230723B ( K. L. Page et al., GCN 34234) errorbox  18882 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  20.0 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB 230723B errorbox  46171 sec after notice time and 46188 sec after trigger time at 2023-07-24 00:32:21 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 27 deg. The sun  altitude  is -33.5 deg. 

The galactic latitude b = 25 deg., longitude l = 12 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243736

We obtain a following upper limits.  

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

   18990 |         MASTER-SAAO |   C |   180 | 18.1 |        
   18990 |         MASTER-SAAO |   C |   180 | 19.1 |        
   19170 |         MASTER-SAAO |   C |   540 | 19.9 |  Coadd 
   19201 |         MASTER-SAAO |   C |   180 | 18.4 |        
   19201 |         MASTER-SAAO |   C |   180 | 19.3 |        
   19401 |         MASTER-SAAO |   C |   180 | 17.3 |        
   19581 |         MASTER-SAAO |   C |   540 | 19.7 |  Coadd 
   19401 |         MASTER-SAAO |   C |   180 | 19.3 |        
   19613 |         MASTER-SAAO |   C |   180 | 19.4 |        
   19613 |         MASTER-SAAO |   C |   180 | 19.4 |        
   19793 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   19823 |         MASTER-SAAO |   C |   180 | 19.4 |        
   19823 |         MASTER-SAAO |   C |   180 | 19.4 |        
   20035 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20215 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   20035 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20246 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20246 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20426 |         MASTER-SAAO |   C |   540 | 19.9 |  Coadd 
   20457 |         MASTER-SAAO |   C |   180 | 19.3 |        
   20457 |         MASTER-SAAO |   C |   180 | 19.3 |        
   20669 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20849 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   20669 |         MASTER-SAAO |   C |   180 | 19.5 |        
   20879 |         MASTER-SAAO |   C |   180 | 19.4 |        
   20879 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21059 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   21091 |         MASTER-SAAO |   C |   180 | 19.3 |        
   21091 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21303 |         MASTER-SAAO |   C |   180 | 19.2 |        
   21483 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   21303 |         MASTER-SAAO |   C |   180 | 19.3 |        
   21515 |         MASTER-SAAO |   C |   180 | 19.5 |        
   21515 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21695 |         MASTER-SAAO |   C |   540 | 20.0 |  Coadd 
   21726 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21726 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21937 |         MASTER-SAAO |   C |   180 | 19.4 |        
   21937 |         MASTER-SAAO |   C |   180 | 19.5 |        
   22149 |         MASTER-SAAO |   C |   180 | 19.5 |        
   22149 |         MASTER-SAAO |   C |   180 | 19.5 |        
   46279 |         MASTER-OAFA |   C |   180 | 18.5 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8553
TYPE = 35
DAYS = 2


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) started inspect of the FERMI GRB 230723B ( J.Mangan et al., GCN 34249) errorbox  18869 sec after notice time and 18900 sec after trigger time at 2023-07-23 16:57:33 UT, with upper limit up to  20.0 mag. Observations started at twilight.  The observations began at zenith distance = 42 deg. The sun  altitude  is -13.0 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 230723B errorbox  46157 sec after notice time and 46188 sec after trigger time at 2023-07-24 00:32:21 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 27 deg. The sun  altitude  is -33.5 deg. 

The galactic latitude b = 24 deg., longitude l =  9 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2243754

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 40m 11.83s , -05d 25m 14.5s) |   C |   180 | 18.1 |        
   18990 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   180 | 19.1 |        
   19170 | 2023-07-23 16:57:33 |         MASTER-SAAO | (16h 41m 05.66s , -05d 23m 41.6s) |   C |   540 | 19.9 |  Coadd 
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 40m 18.49s , -05d 24m 49.4s) |   C |   180 | 18.4 |        
   19201 | 2023-07-23 17:01:03 |         MASTER-SAAO | (16h 41m 12.34s , -05d 23m 19.8s) |   C |   180 | 19.3 |        
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.71s , -05d 23m 16.5s) |   C |   180 | 17.3 |        
   19581 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 40m 15.34s , -05d 23m 38.4s) |   C |   540 | 19.7 |  Coadd 
   19401 | 2023-07-23 17:04:23 |         MASTER-SAAO | (16h 41m 09.18s , -05d 22m 10.8s) |   C |   180 | 19.3 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 40m 15.69s , -05d 24m 33.8s) |   C |   180 | 19.4 |        
   19613 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   180 | 19.4 |        
   19793 | 2023-07-23 17:07:55 |         MASTER-SAAO | (16h 41m 09.24s , -05d 23m 28.4s) |   C |   540 | 20.0 |  Coadd 
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 40m 19.60s , -05d 23m 01.3s) |   C |   180 | 19.4 |        
   19823 | 2023-07-23 17:11:26 |         MASTER-SAAO | (16h 41m 13.25s , -05d 21m 56.3s) |   C |   180 | 19.4 |        
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.42s , -05d 23m 42.4s) |   C |   180 | 19.5 |        
   20215 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 40m 13.43s , -05d 23m 42.4s) |   C |   540 | 20.0 |  Coadd 
   20035 | 2023-07-23 17:14:58 |         MASTER-SAAO | (16h 41m 07.19s , -05d 22m 38.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 40m 13.04s , -05d 22m 41.3s) |   C |   180 | 19.5 |        
   20246 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.90s , -05d 21m 37.6s) |   C |   180 | 19.5 |        
   20426 | 2023-07-23 17:18:29 |         MASTER-SAAO | (16h 41m 06.91s , -05d 21m 37.6s) |   C |   540 | 19.9 |  Coadd 
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 40m 19.20s , -05d 23m 39.0s) |   C |   180 | 19.3 |        
   20457 | 2023-07-23 17:22:00 |         MASTER-SAAO | (16h 41m 13.11s , -05d 22m 36.3s) |   C |   180 | 19.3 |        
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.37s , -05d 24m 36.2s) |   C |   180 | 19.5 |        
   20849 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 40m 13.39s , -05d 24m 36.2s) |   C |   540 | 20.0 |  Coadd 
   20669 | 2023-07-23 17:25:31 |         MASTER-SAAO | (16h 41m 07.34s , -05d 23m 34.5s) |   C |   180 | 19.5 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 40m 18.76s , -05d 24m 23.6s) |   C |   180 | 19.4 |        
   20879 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.78s , -05d 23m 22.0s) |   C |   180 | 19.4 |        
   21059 | 2023-07-23 17:29:02 |         MASTER-SAAO | (16h 41m 12.80s , -05d 23m 22.0s) |   C |   540 | 20.0 |  Coadd 
   21090 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 40m 15.53s , -05d 22m 38.4s) |   C |   180 | 19.3 |        
   21091 | 2023-07-23 17:32:33 |         MASTER-SAAO | (16h 41m 09.64s , -05d 21m 37.0s) |   C |   180 | 19.4 |        
   21303 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.53s , -05d 24m 23.0s) |   C |   180 | 19.2 |        
   21483 | 2023-07-23 17:36:05 |         MASTER-SAAO | (16h 40m 15.51s , -05d 24m 23.0s) |   C |   540 | 20.0 |  Coadd 
   21303 | 2023-07-23 17:36:06 |         MASTER-SAAO | (16h 41m 09.66s , -05d 23m 22.3s) |   C |   180 | 19.3 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 40m 18.04s , -05d 22m 53.8s) |   C |   180 | 19.5 |        
   21515 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   180 | 19.4 |        
   21695 | 2023-07-23 17:39:37 |         MASTER-SAAO | (16h 41m 12.18s , -05d 21m 53.2s) |   C |   540 | 20.0 |  Coadd 
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 40m 12.64s , -05d 23m 27.9s) |   C |   180 | 19.4 |        
   21726 | 2023-07-23 17:43:09 |         MASTER-SAAO | (16h 41m 06.84s , -05d 22m 27.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 40m 11.90s , -05d 22m 26.9s) |   C |   180 | 19.4 |        
   21937 | 2023-07-23 17:46:40 |         MASTER-SAAO | (16h 41m 06.19s , -05d 21m 26.9s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 40m 19.45s , -05d 23m 24.3s) |   C |   180 | 19.5 |        
   22149 | 2023-07-23 17:50:12 |         MASTER-SAAO | (16h 41m 13.80s , -05d 22m 25.3s) |   C |   180 | 19.5 |        
   46279 | 2023-07-24 00:32:21 |         MASTER-OAFA | (16h 39m 52.71s , -05d 14m 19.4s) |   C |   180 | 18.5 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025