MASTER Net MASTER Database: LIGO alert

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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SN | Asteroid | Transient | Comet

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Name FERMI GRB230628.85
Type 2
Trigger time 2023-06-28 20:22:31.56
Notice time 2023-06-28 20:23:34.050435
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
[%] 50.6 30.4 28.1
2023-07-12 20:22:31 336.0 336.0 43.6

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-'2023-06-28 20:22:31.56')<'10 minutes'::interval order by gn,seq desc,errorbox asc;
trigger notice notice+1hr now

2023-06-28 20:22:31 (JD 2460124.348970)

Siderial time 17.328063 h

Ra 11:37:00.00 Dec 04:28:00.10
(174.250000d, 4.466694d)

Rise 2023-06-29 11:07:29

Transit 2023-06-29 17:36:50

Set 2023-06-30 00:06:11

Amur

Object: Altitude: -35.08 Azimuth: 174.56

Sun: Altitude: 7.42 Azimuth: 242.14

Moon: Altitude: -39.26 Azimuth: 120.12

Tunka

Object: Altitude: -28.59 Azimuth: 146.74

Sun: Altitude: -3.89 Azimuth: 223.35

Moon: Altitude: -24.36 Azimuth: 98.71

Kislovodsk

Object: Altitude: 2.67 Azimuth: 93.63

Sun: Altitude: -22.02 Azimuth: 167.79

Moon: Altitude: 15.79 Azimuth: 52.09

Tavrida

Object: Altitude: 8.77 Azimuth: 87.59

Sun: Altitude: -19.37 Azimuth: 159.74

Moon: Altitude: 19.69 Azimuth: 44.62

SAAO

Object: Altitude: 15.18 Azimuth: 105.52

Sun: Altitude: -58.70 Azimuth: 81.83

Moon: Altitude: 57.15 Azimuth: 117.42

IAC

Object: Altitude: 51.72 Azimuth: 57.35

Sun: Altitude: -4.08 Azimuth: 119.24

Moon: Altitude: 47.24 Azimuth: 349.10

Argentina

Object: Altitude: 48.46 Azimuth: 213.06

Sun: Altitude: 13.31 Azimuth: 128.66

Moon: Altitude: 32.23 Azimuth: 266.64

Mexico

Object: Altitude: 25.90 Azimuth: 281.03

Sun: Altitude: 74.76 Azimuth: 62.95

Moon: Altitude: -16.78 Azimuth: 276.30

Ural

Object: Altitude: -5.66 Azimuth: 107.26

Sun: Altitude: -9.58 Azimuth: 184.37

Moon: Altitude: -0.37 Azimuth: 64.58

Vostryakovo

Object: Altitude: 6.02 Azimuth: 89.14

Sun: Altitude: -10.00 Azimuth: 164.14

Moon: Altitude: 10.46 Azimuth: 45.96

Gal. latitude: 61.358767 Gal. longitude: 263.003873

Dist. to Sun: 76.391275

Dist. to Moon: 42.926706

Moon coord.: (213.391392 d, -13.824779 d)

Sun coord.: (97.153845 d, 23.283296 d)

Lunar disk: 0.745343

Lunar phase: 60.614307

Lunar bright limb: 289.229811

No SN in this field

2023-06-28 20:23:34 (JD 2460124.349699)

Siderial time 17.345611 h

Ra 11:37:00.00 Dec 04:28:00.10
(174.250000d, 4.466694d)

Rise 2023-06-29 11:07:29

Transit 2023-06-29 17:36:50

Set 2023-06-30 00:06:11

Amur

Object: Altitude: -35.09 Azimuth: 174.88

Sun: Altitude: 7.57 Azimuth: 242.33

Moon: Altitude: -39.40 Azimuth: 120.38

Tunka

Object: Altitude: -28.68 Azimuth: 147.03

Sun: Altitude: -3.77 Azimuth: 223.57

Moon: Altitude: -24.52 Azimuth: 98.91

Kislovodsk

Object: Altitude: 2.48 Azimuth: 93.81

Sun: Altitude: -22.06 Azimuth: 168.04

Moon: Altitude: 15.64 Azimuth: 52.30

Tavrida

Object: Altitude: 8.59 Azimuth: 87.78

Sun: Altitude: -19.44 Azimuth: 159.98

Moon: Altitude: 19.56 Azimuth: 44.84

SAAO

Object: Altitude: 14.97 Azimuth: 105.37

Sun: Altitude: -58.92 Azimuth: 81.64

Moon: Altitude: 56.97 Azimuth: 117.13

IAC

Object: Altitude: 51.53 Azimuth: 57.63

Sun: Altitude: -4.28 Azimuth: 119.37

Moon: Altitude: 47.28 Azimuth: 349.46

Argentina

Object: Altitude: 48.58 Azimuth: 212.71

Sun: Altitude: 13.14 Azimuth: 128.49

Moon: Altitude: 32.45 Azimuth: 266.50

Mexico

Object: Altitude: 26.12 Azimuth: 281.18

Sun: Altitude: 74.56 Azimuth: 63.45

Moon: Altitude: -16.57 Azimuth: 276.43

Ural

Object: Altitude: -5.80 Azimuth: 107.48

Sun: Altitude: -9.57 Azimuth: 184.61

Moon: Altitude: -0.50 Azimuth: 64.79

Vostryakovo

Object: Altitude: 5.88 Azimuth: 89.36

Sun: Altitude: -10.04 Azimuth: 164.38

Moon: Altitude: 10.35 Azimuth: 46.19

Gal. latitude: 61.358767 Gal. longitude: 263.003873

Dist. to Sun: 76.390580

Dist. to Moon: 42.936233

Moon coord.: (213.400328 d, -13.828726 d)

Sun coord.: (97.154601 d, 23.283262 d)

Lunar disk: 0.745410

Lunar phase: 60.605525

Lunar bright limb: 289.227216

No SN in this field

2023-06-28 21:23:34 (JD 2460124.391366)

Siderial time 18.348349 h

Ra 11:37:00.00 Dec 04:28:00.10
(174.250000d, 4.466694d)

Rise 2023-06-29 11:07:29

Transit 2023-06-29 17:36:50

Set 2023-06-30 00:06:11

Amur

Object: Altitude: -34.42 Azimuth: 193.14

Sun: Altitude: 16.42 Azimuth: 253.13

Moon: Altitude: -46.85 Azimuth: 136.86

Tunka

Object: Altitude: -32.55 Azimuth: 163.88

Sun: Altitude: 3.27 Azimuth: 235.41

Moon: Altitude: -33.35 Azimuth: 111.50

Kislovodsk

Object: Altitude: -8.23 Azimuth: 104.33

Sun: Altitude: -22.92 Azimuth: 182.92

Moon: Altitude: 6.59 Azimuth: 63.33

Tavrida

Object: Altitude: -2.07 Azimuth: 98.36

Sun: Altitude: -21.80 Azimuth: 174.49

Moon: Altitude: 11.38 Azimuth: 56.77

SAAO

Object: Altitude: 2.51 Azimuth: 96.90

Sun: Altitude: -71.11 Azimuth: 65.95

Moon: Altitude: 45.59 Azimuth: 103.67

IAC

Object: Altitude: 39.59 Azimuth: 70.70

Sun: Altitude: -15.29 Azimuth: 127.78

Moon: Altitude: 47.08 Azimuth: 10.26

Argentina

Object: Altitude: 53.29 Azimuth: 189.99

Sun: Altitude: 2.57 Azimuth: 119.56

Moon: Altitude: 44.79 Azimuth: 257.71

Mexico

Object: Altitude: 38.49 Azimuth: 291.26

Sun: Altitude: 62.28 Azimuth: 81.14

Moon: Altitude: -4.43 Azimuth: 283.75

Ural

Object: Altitude: -13.26 Azimuth: 120.68

Sun: Altitude: -7.94 Azimuth: 198.45

Moon: Altitude: -8.14 Azimuth: 76.69

Vostryakovo

Object: Altitude: -2.61 Azimuth: 101.73

Sun: Altitude: -11.32 Azimuth: 178.33

Moon: Altitude: 3.62 Azimuth: 58.68

Gal. latitude: 61.358767 Gal. longitude: 263.003873

Dist. to Sun: 76.350887

Dist. to Moon: 43.480984

Moon coord.: (213.911800 d, -14.053864 d)

Sun coord.: (97.197782 d, 23.281290 d)

Lunar disk: 0.749219

Lunar phase: 60.103305

Lunar bright limb: 289.077344

No SN in this field

2025-05-11 11:50:39 (JD 2460806.993507)

Siderial time 5.653405 h

Ra 11:37:00.00 Dec 04:28:00.10
(174.250000d, 4.466694d)

Rise 2025-05-11 14:18:06

Transit 2025-05-11 20:47:28

Set 2025-05-11 03:20:46

Amur

Object: Altitude: 44.15 Azimuth: 0.58

Sun: Altitude: -7.10 Azimuth: 129.50

Moon: Altitude: 14.15 Azimuth: 321.41

Tunka

Object: Altitude: 38.63 Azimuth: 328.73

Sun: Altitude: 6.88 Azimuth: 110.38

Moon: Altitude: 1.68 Azimuth: 301.05

Kislovodsk

Object: Altitude: 7.03 Azimuth: 270.54

Sun: Altitude: 46.72 Azimuth: 66.75

Moon: Altitude: -36.36 Azimuth: 258.69

Tavrida

Object: Altitude: 0.98 Azimuth: 264.68

Sun: Altitude: 51.62 Azimuth: 56.45

Moon: Altitude: -41.97 Azimuth: 250.66

SAAO

Object: Altitude: -16.10 Azimuth: 275.00

Sun: Altitude: 36.26 Azimuth: 156.51

Moon: Altitude: -30.67 Azimuth: 321.55

IAC

Object: Altitude: -42.02 Azimuth: 232.83

Sun: Altitude: 70.83 Azimuth: 298.94

Moon: Altitude: -78.50 Azimuth: 164.11

Argentina

Object: Altitude: -58.64 Azimuth: 32.73

Sun: Altitude: 6.26 Azimuth: 244.38

Moon: Altitude: -17.28 Azimuth: 56.13

Mexico

Object: Altitude: -24.79 Azimuth: 112.23

Sun: Altitude: -8.01 Azimuth: 243.41

Moon: Altitude: -2.91 Azimuth: 71.63

Ural

Object: Altitude: 15.83 Azimuth: 286.76

Sun: Altitude: 31.94 Azimuth: 72.87

Moon: Altitude: -23.71 Azimuth: 265.21

Vostryakovo

Object: Altitude: 4.10 Azimuth: 268.07

Sun: Altitude: 43.36 Azimuth: 51.51

Moon: Altitude: -35.77 Azimuth: 246.29

Gal. latitude: 61.358767 Gal. longitude: 263.003873

Dist. to Sun: 122.243401

Dist. to Moon: 44.786679

Moon coord.: (213.947714 d, -17.203523 d)

Sun coord.: (48.253013 d, 17.931552 d)

Lunar disk: 0.985945

Lunar phase: 13.617363

Lunar bright limb: 275.311162

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

  ID = 8461
TYPE = 34
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 230628D ( Fermi GBM team, GCN 34108) errorbox  15347 sec after notice time and 15383 sec after trigger time at 2023-06-29 00:38:54 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 60 deg. The sun  altitude  is -36.9 deg. 

The galactic latitude b = 68 deg., longitude l = 253 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2230025

We obtain a following upper limits.  

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

   15473 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   180 | 18.3 |        
   15653 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   540 | 19.0 |  Coadd 
   15685 | 2023-06-29 00:42:26 |         MASTER-OAFA | (11h 38m 23.91s , +12d 56m 35.9s) |   C |   180 | 18.2 |        
   16524 | 2023-06-29 00:56:25 |         MASTER-OAFA | (11h 38m 20.58s , +12d 55m 38.5s) |   C |   180 | 18.1 |        
   18504 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   180 | 17.8 |        
   18684 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   540 | 18.5 |  Coadd 
   18716 | 2023-06-29 01:32:57 |         MASTER-OAFA | (11h 42m 15.00s , +13d 08m 03.9s) |   C |   180 | 17.8 |        
   18927 | 2023-06-29 01:36:28 |         MASTER-OAFA | (11h 42m 16.98s , +13d 09m 21.5s) |   C |   180 | 17.9 |        
   19137 | 2023-06-29 01:39:58 |         MASTER-OAFA | (11h 42m 12.15s , +13d 08m 40.0s) |   C |   180 | 17.6 |        
   19581 | 2023-06-29 01:47:22 |         MASTER-OAFA | (11h 38m 17.87s , +11d 38m 32.8s) |   C |   180 | 17.6 |        
   19792 | 2023-06-29 01:50:54 |         MASTER-OAFA | (11h 38m 12.10s , +11d 37m 29.1s) |   C |   180 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8462
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 230628D ( Fermi GBM team, GCN 34108) errorbox  15347 sec after notice time and 15383 sec after trigger time at 2023-06-29 00:38:54 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 60 deg. The sun  altitude  is -36.9 deg. 

The galactic latitude b = 68 deg., longitude l = 253 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2230025

We obtain a following upper limits.  

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

   15473 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   180 | 18.3 |        
   15653 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   540 | 19.0 |  Coadd 
   15685 | 2023-06-29 00:42:26 |         MASTER-OAFA | (11h 38m 23.91s , +12d 56m 35.9s) |   C |   180 | 18.2 |        
   16524 | 2023-06-29 00:56:25 |         MASTER-OAFA | (11h 38m 20.58s , +12d 55m 38.5s) |   C |   180 | 18.1 |        
   18504 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   180 | 17.8 |        
   18684 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   540 | 18.5 |  Coadd 
   18716 | 2023-06-29 01:32:57 |         MASTER-OAFA | (11h 42m 15.00s , +13d 08m 03.9s) |   C |   180 | 17.8 |        
   18927 | 2023-06-29 01:36:28 |         MASTER-OAFA | (11h 42m 16.98s , +13d 09m 21.5s) |   C |   180 | 17.9 |        
   19137 | 2023-06-29 01:39:58 |         MASTER-OAFA | (11h 42m 12.15s , +13d 08m 40.0s) |   C |   180 | 17.6 |        
   19581 | 2023-06-29 01:47:22 |         MASTER-OAFA | (11h 38m 17.87s , +11d 38m 32.8s) |   C |   180 | 17.6 |        
   19792 | 2023-06-29 01:50:54 |         MASTER-OAFA | (11h 38m 12.10s , +11d 37m 29.1s) |   C |   180 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8463
TYPE = 35
DAYS = 0


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 230628D ( Fermi GBM team, GCN 34108) errorbox  15347 sec after notice time and 15383 sec after trigger time at 2023-06-29 00:38:54 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 60 deg. The sun  altitude  is -36.9 deg. 

The galactic latitude b = 68 deg., longitude l = 253 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2230025

We obtain a following upper limits.  

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

   15473 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   180 | 18.3 |        
   15653 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   540 | 19.0 |  Coadd 
   15685 | 2023-06-29 00:42:26 |         MASTER-OAFA | (11h 38m 23.91s , +12d 56m 35.9s) |   C |   180 | 18.2 |        
   16524 | 2023-06-29 00:56:25 |         MASTER-OAFA | (11h 38m 20.58s , +12d 55m 38.5s) |   C |   180 | 18.1 |        
   18504 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   180 | 17.8 |        
   18684 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   540 | 18.5 |  Coadd 
   18716 | 2023-06-29 01:32:57 |         MASTER-OAFA | (11h 42m 15.00s , +13d 08m 03.9s) |   C |   180 | 17.8 |        
   18927 | 2023-06-29 01:36:28 |         MASTER-OAFA | (11h 42m 16.98s , +13d 09m 21.5s) |   C |   180 | 17.9 |        
   19137 | 2023-06-29 01:39:58 |         MASTER-OAFA | (11h 42m 12.15s , +13d 08m 40.0s) |   C |   180 | 17.6 |        
   19581 | 2023-06-29 01:47:22 |         MASTER-OAFA | (11h 38m 17.87s , +11d 38m 32.8s) |   C |   180 | 17.6 |        
   19792 | 2023-06-29 01:50:54 |         MASTER-OAFA | (11h 38m 12.10s , +11d 37m 29.1s) |   C |   180 | 17.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8470
TYPE = 35
DAYS = 1


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 230628D ( Fermi GBM team, GCN 34108) errorbox  15347 sec after notice time and 15383 sec after trigger time at 2023-06-29 00:38:54 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 60 deg. The sun  altitude  is -36.9 deg. 

The galactic latitude b = 68 deg., longitude l = 253 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2230027

We obtain a following upper limits.  

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

   15473 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   180 | 18.3 |        
   15653 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   540 | 19.0 |  Coadd 
   15685 | 2023-06-29 00:42:26 |         MASTER-OAFA | (11h 38m 23.91s , +12d 56m 35.9s) |   C |   180 | 18.2 |        
   16524 | 2023-06-29 00:56:25 |         MASTER-OAFA | (11h 38m 20.58s , +12d 55m 38.5s) |   C |   180 | 18.1 |        
   18504 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   180 | 17.8 |        
   18684 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   540 | 18.5 |  Coadd 
   18716 | 2023-06-29 01:32:57 |         MASTER-OAFA | (11h 42m 15.00s , +13d 08m 03.9s) |   C |   180 | 17.8 |        
   18927 | 2023-06-29 01:36:28 |         MASTER-OAFA | (11h 42m 16.98s , +13d 09m 21.5s) |   C |   180 | 17.9 |        
   19137 | 2023-06-29 01:39:58 |         MASTER-OAFA | (11h 42m 12.15s , +13d 08m 40.0s) |   C |   180 | 17.6 |        
   19581 | 2023-06-29 01:47:22 |         MASTER-OAFA | (11h 38m 17.87s , +11d 38m 32.8s) |   C |   180 | 17.6 |        
   19761 | 2023-06-29 01:47:22 |         MASTER-OAFA | (11h 38m 17.88s , +11d 38m 32.8s) |   C |   540 | 18.5 |  Coadd 
   19792 | 2023-06-29 01:50:54 |         MASTER-OAFA | (11h 38m 12.10s , +11d 37m 29.1s) |   C |   180 | 17.9 |        
   20004 | 2023-06-29 01:54:25 |         MASTER-OAFA | (11h 38m 18.09s , +11d 37m 53.4s) |   C |   180 | 17.8 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8473
TYPE = 35
DAYS = 2


MASTER-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB 230628D ( Fermi GBM team, GCN 34108) errorbox  15347 sec after notice time and 15383 sec after trigger time at 2023-06-29 00:38:54 UT, with upper limit up to  19.0 mag. The observations began at zenith distance = 60 deg. The sun  altitude  is -36.9 deg. 

The galactic latitude b = 68 deg., longitude l = 253 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2230027

We obtain a following upper limits.  

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

   15473 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   180 | 18.3 |        
   15653 | 2023-06-29 00:38:54 |         MASTER-OAFA | (11h 38m 17.90s , +12d 57m 37.4s) |   C |   540 | 19.0 |  Coadd 
   15685 | 2023-06-29 00:42:26 |         MASTER-OAFA | (11h 38m 23.91s , +12d 56m 35.9s) |   C |   180 | 18.2 |        
   16524 | 2023-06-29 00:56:25 |         MASTER-OAFA | (11h 38m 20.58s , +12d 55m 38.5s) |   C |   180 | 18.1 |        
   18504 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   180 | 17.8 |        
   18684 | 2023-06-29 01:29:25 |         MASTER-OAFA | (11h 42m 15.16s , +13d 09m 29.7s) |   C |   540 | 18.5 |  Coadd 
   18716 | 2023-06-29 01:32:57 |         MASTER-OAFA | (11h 42m 15.00s , +13d 08m 03.9s) |   C |   180 | 17.8 |        
   18927 | 2023-06-29 01:36:28 |         MASTER-OAFA | (11h 42m 16.98s , +13d 09m 21.5s) |   C |   180 | 17.9 |        
   19137 | 2023-06-29 01:39:58 |         MASTER-OAFA | (11h 42m 12.15s , +13d 08m 40.0s) |   C |   180 | 17.6 |        
   19581 | 2023-06-29 01:47:22 |         MASTER-OAFA | (11h 38m 17.87s , +11d 38m 32.8s) |   C |   180 | 17.6 |        
   19761 | 2023-06-29 01:47:22 |         MASTER-OAFA | (11h 38m 17.88s , +11d 38m 32.8s) |   C |   540 | 18.5 |  Coadd 
   19792 | 2023-06-29 01:50:54 |         MASTER-OAFA | (11h 38m 12.10s , +11d 37m 29.1s) |   C |   180 | 17.9 |        
   20004 | 2023-06-29 01:54:25 |         MASTER-OAFA | (11h 38m 18.09s , +11d 37m 53.4s) |   C |   180 | 17.8 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025