MASTER Net MASTER Database: GRB230916.34 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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GRB coord: ErrorBox (deg): Sys Error (deg):
Sattel : Trigger: Notice:
GRB_Name: trignum: Nights after: FullSky


Name FERMI GRB230916.34
Trignum 716544961
Trigger time 2023-09-16 08:15:56.23
Notice time 2023-09-16 08:16:34.14058
Coord, eb (10h 46m 48.00s , +12d 52m 58.8s) , 35.95
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)

All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2271437 2023-09-16 08:16:35.583545 10h 46m 48.00s +12d 52m 58.8s FERMI 35.95 alert 716544961 37 111 alert

DAYS:

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

2023-09-16 08:15:56 (JD 2460203.844398)

Siderial time 10.441972 h

Ra 10:46:48.00 Dec 12:52:58.80
(161.700000d, 12.883000d)

Rise 2023-09-16 04:14:27

Transit 2023-09-16 11:36:09

Set 2023-09-16 18:57:51

Amur

Object: Altitude: 13.18 Azimuth: 94.38

Sun: Altitude: 12.95 Azimuth: 78.57

Moon: Altitude: 17.86 Azimuth: 64.81

Tunka

Object: Altitude: 28.24 Azimuth: 74.13

Sun: Altitude: 26.55 Azimuth: 56.89

Moon: Altitude: 29.22 Azimuth: 41.16

Kislovodsk

Object: Altitude: 59.14 Azimuth: 359.69

Sun: Altitude: 47.73 Azimuth: 342.11

Moon: Altitude: 39.53 Azimuth: 326.12

Tavrida

Object: Altitude: 57.30 Azimuth: 344.21

Sun: Altitude: 44.39 Azimuth: 330.77

Moon: Altitude: 34.97 Azimuth: 317.01

SAAO

Object: Altitude: 40.13 Azimuth: 208.37

Sun: Altitude: 42.51 Azimuth: 228.67

Moon: Altitude: 35.87 Azimuth: 244.82

IAC

Object: Altitude: 33.04 Azimuth: 272.76

Sun: Altitude: 18.06 Azimuth: 276.71

Moon: Altitude: 4.22 Azimuth: 273.75

Argentina

Object: Altitude: -25.34 Azimuth: 270.20

Sun: Altitude: -29.87 Azimuth: 286.82

Moon: Altitude: -37.79 Azimuth: 300.96

Mexico

Object: Altitude: -39.02 Azimuth: 214.62

Sun: Altitude: -53.18 Azimuth: 205.82

Moon: Altitude: -60.20 Azimuth: 183.26

Ural

Object: Altitude: 44.00 Azimuth: 23.14

Sun: Altitude: 35.63 Azimuth: 6.24

Moon: Altitude: 31.27 Azimuth: 350.10

Vostryakovo

Object: Altitude: 47.33 Azimuth: 352.97

Sun: Altitude: 35.74 Azimuth: 339.35

Moon: Altitude: 28.19 Azimuth: 325.23

Gal. latitude: 57.987702 Gal. longitude: 233.817398

Dist. to Sun: 15.393455

Dist. to Moon: 28.834024

Moon coord.: (187.007157 d, -1.292149 d)

Sun coord.: (173.476005 d, 2.820624 d)

Lunar disk: 0.015208

Lunar phase: 165.832420

Lunar bright limb: 286.921099

No SN in this field

2023-09-16 08:16:34 (JD 2460203.844838)

Siderial time 10.452556 h

Ra 10:46:48.00 Dec 12:52:58.80
(161.700000d, 12.883000d)

Rise 2023-09-16 04:14:27

Transit 2023-09-16 11:36:09

Set 2023-09-16 18:57:51

Amur

Object: Altitude: 13.08 Azimuth: 94.50

Sun: Altitude: 12.85 Azimuth: 78.70

Moon: Altitude: 17.77 Azimuth: 64.94

Tunka

Object: Altitude: 28.14 Azimuth: 74.27

Sun: Altitude: 26.47 Azimuth: 57.04

Moon: Altitude: 29.16 Azimuth: 41.32

Kislovodsk

Object: Altitude: 59.14 Azimuth: 359.99

Sun: Altitude: 47.76 Azimuth: 342.34

Moon: Altitude: 39.59 Azimuth: 326.31

Tavrida

Object: Altitude: 57.33 Azimuth: 344.49

Sun: Altitude: 44.44 Azimuth: 330.98

Moon: Altitude: 35.04 Azimuth: 317.18

SAAO

Object: Altitude: 40.20 Azimuth: 208.18

Sun: Altitude: 42.61 Azimuth: 228.50

Moon: Altitude: 35.99 Azimuth: 244.70

IAC

Object: Altitude: 33.18 Azimuth: 272.84

Sun: Altitude: 18.20 Azimuth: 276.79

Moon: Altitude: 4.35 Azimuth: 273.83

Argentina

Object: Altitude: -25.21 Azimuth: 270.11

Sun: Altitude: -29.74 Azimuth: 286.71

Moon: Altitude: -37.68 Azimuth: 300.83

Mexico

Object: Altitude: -38.94 Azimuth: 214.80

Sun: Altitude: -53.12 Azimuth: 206.07

Moon: Altitude: -60.20 Azimuth: 183.57

Ural

Object: Altitude: 43.97 Azimuth: 23.35

Sun: Altitude: 35.62 Azimuth: 6.44

Moon: Altitude: 31.29 Azimuth: 350.28

Vostryakovo

Object: Altitude: 47.34 Azimuth: 353.20

Sun: Altitude: 35.77 Azimuth: 339.54

Moon: Altitude: 28.24 Azimuth: 325.39

Gal. latitude: 57.987702 Gal. longitude: 233.817398

Dist. to Sun: 15.393862

Dist. to Moon: 28.839347

Moon coord.: (187.011851 d, -1.294667 d)

Sun coord.: (173.476399 d, 2.820454 d)

Lunar disk: 0.015218

Lunar phase: 165.827611

Lunar bright limb: 286.924934

No SN in this field

2023-09-16 09:16:34 (JD 2460203.886505)

Siderial time 11.455294 h

Ra 10:46:48.00 Dec 12:52:58.80
(161.700000d, 12.883000d)

Rise 2023-09-16 04:14:27

Transit 2023-09-16 11:36:09

Set 2023-09-16 18:57:51

Amur

Object: Altitude: 3.64 Azimuth: 105.85

Sun: Altitude: 3.32 Azimuth: 90.39

Moon: Altitude: 8.79 Azimuth: 76.78

Tunka

Object: Altitude: 18.99 Azimuth: 86.79

Sun: Altitude: 18.15 Azimuth: 70.53

Moon: Altitude: 22.19 Azimuth: 55.58

Kislovodsk

Object: Altitude: 56.54 Azimuth: 27.30

Sun: Altitude: 48.96 Azimuth: 4.90

Moon: Altitude: 43.71 Azimuth: 345.09

Tavrida

Object: Altitude: 57.67 Azimuth: 11.96

Sun: Altitude: 47.82 Azimuth: 352.12

Moon: Altitude: 40.67 Azimuth: 334.27

SAAO

Object: Altitude: 44.29 Azimuth: 189.11

Sun: Altitude: 50.69 Azimuth: 210.00

Moon: Altitude: 46.62 Azimuth: 231.32

IAC

Object: Altitude: 46.31 Azimuth: 281.37

Sun: Altitude: 31.15 Azimuth: 285.10

Moon: Altitude: 16.97 Azimuth: 281.31

Argentina

Object: Altitude: -12.46 Azimuth: 262.44

Sun: Altitude: -17.27 Azimuth: 277.62

Moon: Altitude: -26.31 Azimuth: 289.98

Mexico

Object: Altitude: -30.29 Azimuth: 229.22

Sun: Altitude: -45.52 Azimuth: 226.01

Moon: Altitude: -56.67 Azimuth: 210.84

Ural

Object: Altitude: 39.54 Azimuth: 42.13

Sun: Altitude: 33.43 Azimuth: 24.46

Moon: Altitude: 31.21 Azimuth: 7.36

Vostryakovo

Object: Altitude: 46.75 Azimuth: 14.77

Sun: Altitude: 37.41 Azimuth: 358.12

Moon: Altitude: 31.70 Azimuth: 341.78

Gal. latitude: 57.987702 Gal. longitude: 233.817398

Dist. to Sun: 15.432467

Dist. to Moon: 29.343704

Moon coord.: (187.456686 d, -1.533258 d)

Sun coord.: (173.513761 d, 2.804395 d)

Lunar disk: 0.016208

Lunar phase: 165.371639

Lunar bright limb: 287.275537

No SN in this field

2025-03-13 07:21:05 (JD 2460747.806308)

Siderial time 21.271447 h

Ra 10:46:48.00 Dec 12:52:58.80
(161.700000d, 12.883000d)

Rise 2025-03-13 16:27:40

Transit 2025-03-13 23:49:22

Set 2025-03-13 07:15:01

Amur

Object: Altitude: -3.97 Azimuth: 244.30

Sun: Altitude: 18.65 Azimuth: 60.57

Moon: Altitude: -8.63 Azimuth: 245.36

Tunka

Object: Altitude: -15.48 Azimuth: 223.43

Sun: Altitude: 29.17 Azimuth: 36.46

Moon: Altitude: -20.25 Azimuth: 223.65

Kislovodsk

Object: Altitude: -31.11 Azimuth: 159.72

Sun: Altitude: 36.45 Azimuth: 322.66

Moon: Altitude: -34.80 Azimuth: 156.12

Tavrida

Object: Altitude: -27.67 Azimuth: 150.89

Sun: Altitude: 31.67 Azimuth: 314.08

Moon: Altitude: -31.04 Azimuth: 147.01

SAAO

Object: Altitude: -49.05 Azimuth: 70.86

Sun: Altitude: 33.96 Azimuth: 249.26

Moon: Altitude: -44.92 Azimuth: 67.34

IAC

Object: Altitude: -5.22 Azimuth: 107.66

Sun: Altitude: 0.13 Azimuth: 273.40

Moon: Altitude: -5.80 Azimuth: 102.90

Argentina

Object: Altitude: 24.22 Azimuth: 124.52

Sun: Altitude: -39.31 Azimuth: 305.84

Moon: Altitude: 28.62 Azimuth: 122.44

Mexico

Object: Altitude: 69.88 Azimuth: 27.48

Sun: Altitude: -61.81 Azimuth: 175.45

Moon: Altitude: 66.40 Azimuth: 18.68

Ural

Object: Altitude: -20.08 Azimuth: 179.27

Sun: Altitude: 29.22 Azimuth: 345.98

Moon: Altitude: -24.43 Azimuth: 177.15

Vostryakovo

Object: Altitude: -19.17 Azimuth: 156.80

Sun: Altitude: 25.37 Azimuth: 321.87

Moon: Altitude: -22.97 Azimuth: 153.70

Gal. latitude: 57.987702 Gal. longitude: 233.817398

Dist. to Sun: 164.870622

Dist. to Moon: 4.776498

Moon coord.: (163.618436 d, 8.494028 d)

Sun coord.: (353.220291 d, -2.930736 d)

Lunar disk: 0.990787

Lunar phase: 11.016115

Lunar bright limb: 299.663978

No SN in this field
Recent coverage and limits telegrams

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

  ID = 8946
TYPE = 35
DAYS = 2


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the FERMI GRB230916.34 (trigger No 716544961,10h 46m 48.00s , +12d 52m 58.8s, R=35.95) errorbox  35284 sec after notice time and 35318 sec after trigger time at 2023-09-16 18:04:34 UT, with upper limit up to  17.0 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -27.3 deg. 

MASTER-OAFA robotic telescope  located in Argentina (OAFA observatory of San Juan National University) started inspect of the FERMI GRB230916.34 errorbox  1 days 2621 sec after notice time and 1 days 2655 sec after trigger time at 2023-09-17 09:00:11 UT, with upper limit up to  18.4 mag. The observations began at zenith distance = 68 deg. The sun  altitude  is -20.3 deg. 

The galactic latitude b = 58 deg., longitude l = 234 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271431

We obtain a following upper limits.  

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

   35349 | 2023-09-16 18:04:34 |         MASTER-Amur | (12h 01m 18.82s , +41d 11m 24.1s) |   C |    60 | 12.3 |        
   38405 | 2023-09-16 18:55:31 |         MASTER-Amur | (12h 01m 43.19s , +39d 19m 56.5s) |   C |    60 | 16.7 |        
   38491 | 2023-09-16 18:56:57 |         MASTER-Amur | (11h 10m 59.92s , +33d 38m 01.0s) |   C |    60 | 17.0 |        
   38576 | 2023-09-16 18:58:22 |         MASTER-Amur | (12h 21m 20.27s , +39d 17m 55.9s) |   C |    60 | 16.3 |        
   38662 | 2023-09-16 18:59:48 |         MASTER-Amur | (11h 26m 23.43s , +35d 32m 39.1s) |   C |    60 | 17.0 |        
   38750 | 2023-09-16 19:01:16 |         MASTER-Amur | (11h 45m 05.66s , +35d 30m 52.1s) |   C |    60 | 16.5 |        
   38832 | 2023-09-16 19:02:38 |         MASTER-Amur | (11h 43m 06.93s , +37d 25m 42.3s) |   C |    60 | 16.8 |        
   38917 | 2023-09-16 19:04:02 |         MASTER-Amur | (11h 01m 53.71s , +29d 49m 02.5s) |   C |    60 | 16.5 |        
   42447 | 2023-09-16 20:02:52 |         MASTER-Amur | (11h 24m 14.28s , +31d 44m 52.8s) |   C |    60 | 15.4 |        
   42527 | 2023-09-16 20:04:12 |         MASTER-Amur | (12h 11m 51.65s , +39d 19m 24.0s) |   C |    60 | 15.4 |        
   42606 | 2023-09-16 20:05:32 |         MASTER-Amur | (11h 10m 54.12s , +33d 38m 51.0s) |   C |    60 | 15.4 |        
   42686 | 2023-09-16 20:06:51 |         MASTER-Amur | (11h 20m 25.58s , +33d 37m 55.6s) |   C |    60 | 15.1 |        
   42766 | 2023-09-16 20:08:12 |         MASTER-Amur | (12h 21m 06.82s , +39d 20m 57.7s) |   C |    60 | 14.3 |        
   89145 | 2023-09-17 09:00:11 |         MASTER-OAFA | (08h 34m 15.37s , -04d 02m 33.7s) |   C |   180 | 18.2 |        
   89478 | 2023-09-17 09:06:44 |         MASTER-OAFA | (09h 10m 41.35s , -10d 06m 50.9s) |   C |    60 | 17.8 |        
   89569 | 2023-09-17 09:08:15 |         MASTER-OAFA | (09h 18m 41.28s , -10d 07m 28.2s) |   C |    60 | 17.7 |        
   89660 | 2023-09-17 09:09:46 |         MASTER-OAFA | (09h 07m 41.45s , -08d 13m 38.2s) |   C |    60 | 17.8 |        
   89752 | 2023-09-17 09:11:18 |         MASTER-OAFA | (09h 15m 40.00s , -08d 14m 30.2s) |   C |    60 | 16.9 |        
   89843 | 2023-09-17 09:12:49 |         MASTER-OAFA | (09h 05m 17.45s , -06d 18m 44.5s) |   C |    60 | 17.9 |        
   89934 | 2023-09-17 09:14:20 |         MASTER-OAFA | (09h 13m 20.40s , -06d 20m 05.0s) |   C |    60 | 17.7 |        
   90085 | 2023-09-17 09:15:51 |         MASTER-OAFA | (08h 34m 22.78s , -04d 00m 54.3s) |   C |   180 | 18.4 |        
   90331 | 2023-09-17 09:20:56 |         MASTER-OAFA | (09h 10m 35.23s , -10d 06m 33.4s) |   C |    60 | 17.9 |        
   90422 | 2023-09-17 09:22:28 |         MASTER-OAFA | (09h 18m 49.12s , -10d 07m 23.1s) |   C |    60 | 17.6 |        
   90514 | 2023-09-17 09:23:59 |         MASTER-OAFA | (09h 07m 34.56s , -08d 14m 33.0s) |   C |    60 | 17.7 |        
   90605 | 2023-09-17 09:25:30 |         MASTER-OAFA | (09h 15m 46.38s , -08d 13m 56.6s) |   C |    60 | 17.5 |        
   90697 | 2023-09-17 09:27:02 |         MASTER-OAFA | (09h 05m 17.53s , -06d 18m 35.9s) |   C |    60 | 17.6 |        
   90788 | 2023-09-17 09:28:33 |         MASTER-OAFA | (09h 13m 20.44s , -06d 20m 10.5s) |   C |    60 | 17.5 |        
   90879 | 2023-09-17 09:30:04 |         MASTER-OAFA | (09h 42m 55.17s , -21d 31m 01.5s) |   C |    60 | 17.4 |        
   91031 | 2023-09-17 09:31:37 |         MASTER-OAFA | (08h 34m 16.05s , -04d 00m 29.3s) |   C |   180 | 17.9 |        
   91182 | 2023-09-17 09:35:08 |         MASTER-OAFA | (09h 51m 38.34s , -21d 30m 55.4s) |   C |    60 | 17.1 |        
   91639 | 2023-09-17 09:42:44 |         MASTER-OAFA | (09h 42m 55.93s , -21d 29m 59.1s) |   C |    60 | 16.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8920
TYPE = 35
DAYS = 1


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the FERMI GRB230916.34 (trigger No 716544961,10h 46m 48.00s , +12d 52m 58.8s, R=35.95) errorbox  35284 sec after notice time and 35318 sec after trigger time at 2023-09-16 18:04:34 UT, with upper limit up to  17.0 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -27.3 deg. 

The galactic latitude b = 58 deg., longitude l = 234 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271431

We obtain a following upper limits.  

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

   35349 | 2023-09-16 18:04:34 |         MASTER-Amur | (12h 01m 18.82s , +41d 11m 24.1s) |   C |    60 | 12.3 |        
   38405 | 2023-09-16 18:55:31 |         MASTER-Amur | (12h 01m 43.19s , +39d 19m 56.5s) |   C |    60 | 16.7 |        
   38491 | 2023-09-16 18:56:57 |         MASTER-Amur | (11h 10m 59.92s , +33d 38m 01.0s) |   C |    60 | 17.0 |        
   38576 | 2023-09-16 18:58:22 |         MASTER-Amur | (12h 21m 20.27s , +39d 17m 55.9s) |   C |    60 | 16.3 |        
   38662 | 2023-09-16 18:59:48 |         MASTER-Amur | (11h 26m 23.43s , +35d 32m 39.1s) |   C |    60 | 17.0 |        
   38750 | 2023-09-16 19:01:16 |         MASTER-Amur | (11h 45m 05.66s , +35d 30m 52.1s) |   C |    60 | 16.5 |        
   38832 | 2023-09-16 19:02:38 |         MASTER-Amur | (11h 43m 06.93s , +37d 25m 42.3s) |   C |    60 | 16.8 |        
   38917 | 2023-09-16 19:04:02 |         MASTER-Amur | (11h 01m 53.71s , +29d 49m 02.5s) |   C |    60 | 16.5 |        
   42447 | 2023-09-16 20:02:52 |         MASTER-Amur | (11h 24m 14.28s , +31d 44m 52.8s) |   C |    60 | 15.4 |        
   42527 | 2023-09-16 20:04:12 |         MASTER-Amur | (12h 11m 51.65s , +39d 19m 24.0s) |   C |    60 | 15.4 |        
   42606 | 2023-09-16 20:05:32 |         MASTER-Amur | (11h 10m 54.12s , +33d 38m 51.0s) |   C |    60 | 15.4 |        
   42686 | 2023-09-16 20:06:51 |         MASTER-Amur | (11h 20m 25.58s , +33d 37m 55.6s) |   C |    60 | 15.1 |        
   42766 | 2023-09-16 20:08:12 |         MASTER-Amur | (12h 21m 06.82s , +39d 20m 57.7s) |   C |    60 | 14.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8905
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the FERMI GRB230916.34 (trigger No 716544961,10h 46m 48.00s , +12d 52m 58.8s, R=35.95) errorbox  35284 sec after notice time and 35318 sec after trigger time at 2023-09-16 18:04:34 UT, with upper limit up to  12.3 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -27.3 deg. 

The galactic latitude b = 58 deg., longitude l = 234 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271436

We obtain a following upper limits.  

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

   35349 | 2023-09-16 18:04:34 |         MASTER-Amur | (12h 01m 18.82s , +41d 11m 24.1s) |   C |    60 | 12.3 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8904
TYPE = 35
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the FERMI GRB230916.34 (trigger No 716544961,10h 46m 48.00s , +12d 52m 58.8s, R=35.95) errorbox  35284 sec after notice time and 35318 sec after trigger time at 2023-09-16 18:04:34 UT, with upper limit up to  12.3 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -27.3 deg. 

The galactic latitude b = 58 deg., longitude l = 234 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271436

We obtain a following upper limits.  

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

   35349 | 2023-09-16 18:04:34 |         MASTER-Amur | (12h 01m 18.82s , +41d 11m 24.1s) |   C |    60 | 12.3 |        
Filter C is a clear (unfiltred) band. 


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



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  ID = 8903
TYPE = 34
DAYS = 0


MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the FERMI GRB230916.34 (trigger No 716544961,10h 46m 48.00s , +12d 52m 58.8s, R=35.95) errorbox  35284 sec after notice time and 35318 sec after trigger time at 2023-09-16 18:04:34 UT, with upper limit up to  12.3 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -27.3 deg. 

The galactic latitude b = 58 deg., longitude l = 234 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2271436

We obtain a following upper limits.  

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

   35349 | 2023-09-16 18:04:34 |         MASTER-Amur | (12h 01m 18.82s , +41d 11m 24.1s) |   C |    60 | 12.3 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025