MASTER Net MASTER Database: GRB200412.29 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 GRB200412.29
Trignum 608367436
Trigger time 2020-04-12 06:57:11.95
Notice time 2020-04-12 08:19:17.808949
Coord, eb (09h 20m 02.40s , -41d 40m 12.0s) , 1.45
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
1334817 2020-04-12 07:24:52.625443 08h 56m 48.00s -38d 12m 00.0s GFERMI 2.28254 alert 608367436 1 2001 alert
1334835 2020-04-12 08:19:17.808949 09h 20m 02.40s -41d 40m 12.0s FERMI 1.45 alert 608367436 10 115 alert
1334799 2020-04-12 06:57:48.58323 08h 43m 52.08s -40d 30m 00.0s FERMI 3.93 alert 608367436 20 111 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

2020-04-12 06:57:11 (JD 2458951.789711)

Siderial time 22.857177 h

Ra 09:20:02.40 Dec -41:40:12.00
(140.010000d, -41.670000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -19.12 Azimuth: 313.17

Sun: Altitude: 30.47 Azimuth: 64.41

Moon: Altitude: -61.29 Azimuth: 167.47

Tunka

Object: Altitude: -32.43 Azimuth: 297.80

Sun: Altitude: 41.47 Azimuth: 37.44

Moon: Altitude: -51.91 Azimuth: 129.56

Kislovodsk

Object: Altitude: -69.60 Azimuth: 273.81

Sun: Altitude: 44.72 Azimuth: 310.58

Moon: Altitude: -14.07 Azimuth: 72.78

Tavrida

Object: Altitude: -75.68 Azimuth: 264.43

Sun: Altitude: 39.23 Azimuth: 302.10

Moon: Altitude: -8.68 Azimuth: 67.44

SAAO

Object: Altitude: -15.74 Azimuth: 355.32

Sun: Altitude: 23.53 Azimuth: 241.75

Moon: Altitude: 30.57 Azimuth: 81.84

IAC

Object: Altitude: -61.32 Azimuth: 53.91

Sun: Altitude: 2.29 Azimuth: 261.26

Moon: Altitude: 32.13 Azimuth: 32.66

Argentina

Object: Altitude: 16.56 Azimuth: 50.82

Sun: Altitude: -50.17 Azimuth: 297.59

Moon: Altitude: 67.15 Azimuth: 250.53

Mexico

Object: Altitude: 1.46 Azimuth: 37.66

Sun: Altitude: -49.76 Azimuth: 170.79

Moon: Altitude: 8.64 Azimuth: 302.34

Ural

Object: Altitude: -57.82 Azimuth: 261.01

Sun: Altitude: 40.15 Azimuth: 339.02

Moon: Altitude: -26.79 Azimuth: 90.30

Vostryakovo

Object: Altitude: -69.66 Azimuth: 237.26

Sun: Altitude: 34.69 Azimuth: 312.54

Moon: Altitude: -14.65 Azimuth: 72.26

Gal. latitude: 5.747609 Gal. longitude: 266.591490

Dist. to Sun: 117.455644

Dist. to Moon: 95.031577

Moon coord.: (259.180781 d, -22.062574 d)

Sun coord.: (20.858618 d, 8.777426 d)

Lunar disk: 0.770027

Lunar phase: 57.312671

Lunar bright limb: 93.635859

No SN in this field

2020-04-12 08:19:17 (JD 2458951.846725)

Siderial time 0.229257 h

Ra 09:20:02.40 Dec -41:40:12.00
(140.010000d, -41.670000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -10.64 Azimuth: 326.41

Sun: Altitude: 17.97 Azimuth: 82.00

Moon: Altitude: -60.00 Azimuth: 205.18

Tunka

Object: Altitude: -21.91 Azimuth: 310.37

Sun: Altitude: 31.95 Azimuth: 59.91

Moon: Altitude: -59.15 Azimuth: 159.59

Kislovodsk

Object: Altitude: -54.93 Azimuth: 283.79

Sun: Altitude: 53.38 Azimuth: 338.87

Moon: Altitude: -28.13 Azimuth: 85.35

Tavrida

Object: Altitude: -61.10 Azimuth: 278.16

Sun: Altitude: 49.71 Azimuth: 326.67

Moon: Altitude: -22.20 Azimuth: 80.23

SAAO

Object: Altitude: -12.00 Azimuth: 339.99

Sun: Altitude: 37.42 Azimuth: 224.50

Moon: Altitude: 14.39 Azimuth: 72.60

IAC

Object: Altitude: -74.04 Azimuth: 30.29

Sun: Altitude: 20.31 Azimuth: 270.81

Moon: Altitude: 20.65 Azimuth: 48.60

Argentina

Object: Altitude: 3.86 Azimuth: 42.08

Sun: Altitude: -33.73 Azimuth: 281.40

Moon: Altitude: 79.89 Azimuth: 198.93

Mexico

Object: Altitude: -10.48 Azimuth: 47.33

Sun: Altitude: -47.79 Azimuth: 201.65

Moon: Altitude: 21.73 Azimuth: 315.60

Ural

Object: Altitude: -46.66 Azimuth: 278.41

Sun: Altitude: 41.64 Azimuth: 5.89

Moon: Altitude: -37.46 Azimuth: 107.90

Vostryakovo

Object: Altitude: -58.69 Azimuth: 262.56

Sun: Altitude: 41.45 Azimuth: 336.94

Moon: Altitude: -25.76 Azimuth: 87.76

Gal. latitude: 5.747609 Gal. longitude: 266.591490

Dist. to Sun: 117.431580

Dist. to Moon: 95.445342

Moon coord.: (260.021825 d, -22.187160 d)

Sun coord.: (20.911108 d, 8.798198 d)

Lunar disk: 0.764655

Lunar phase: 58.041171

Lunar bright limb: 93.366030

No SN in this field

2020-04-12 09:19:17 (JD 2458951.888391)

Siderial time 1.231995 h

Ra 09:20:02.40 Dec -41:40:12.00
(140.010000d, -41.670000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -6.07 Azimuth: 336.77

Sun: Altitude: 8.43 Azimuth: 93.67

Moon: Altitude: -54.57 Azimuth: 227.92

Tunka

Object: Altitude: -15.36 Azimuth: 320.00

Sun: Altitude: 23.45 Azimuth: 73.66

Moon: Altitude: -60.36 Azimuth: 186.17

Kislovodsk

Object: Altitude: -44.55 Azimuth: 290.44

Sun: Altitude: 55.00 Azimuth: 4.20

Moon: Altitude: -38.59 Azimuth: 95.31

Tavrida

Object: Altitude: -50.65 Azimuth: 285.53

Sun: Altitude: 53.70 Azimuth: 349.83

Moon: Altitude: -32.46 Azimuth: 89.87

SAAO

Object: Altitude: -6.62 Azimuth: 330.01

Sun: Altitude: 44.89 Azimuth: 207.42

Moon: Altitude: 3.06 Azimuth: 65.44

IAC

Object: Altitude: -76.17 Azimuth: 346.32

Sun: Altitude: 33.48 Azimuth: 278.48

Moon: Altitude: 10.43 Azimuth: 57.53

Argentina

Object: Altitude: -4.04 Azimuth: 34.10

Sun: Altitude: -21.09 Azimuth: 272.63

Moon: Altitude: 76.42 Azimuth: 131.85

Mexico

Object: Altitude: -20.37 Azimuth: 52.83

Sun: Altitude: -41.12 Azimuth: 220.28

Moon: Altitude: 29.34 Azimuth: 327.77

Ural

Object: Altitude: -38.73 Azimuth: 289.25

Sun: Altitude: 39.46 Azimuth: 25.23

Moon: Altitude: -44.62 Azimuth: 122.89

Vostryakovo

Object: Altitude: -50.16 Azimuth: 275.19

Sun: Altitude: 43.40 Azimuth: 356.90

Moon: Altitude: -33.99 Azimuth: 99.90

Gal. latitude: 5.747609 Gal. longitude: 266.591490

Dist. to Sun: 117.413980

Dist. to Moon: 95.746732

Moon coord.: (260.636341 d, -22.275330 d)

Sun coord.: (20.949471 d, 8.813373 d)

Lunar disk: 0.760709

Lunar phase: 58.572624

Lunar bright limb: 93.166742

No SN in this field

2025-05-09 17:54:03 (JD 2460805.245868)

Siderial time 11.595234 h

Ra 09:20:02.40 Dec -41:40:12.00
(140.010000d, -41.670000d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: -50.98 Azimuth: 80.41

Sun: Altitude: -14.70 Azimuth: 216.64

Moon: Altitude: 6.62 Azimuth: 68.45

Tunka

Object: Altitude: -36.71 Azimuth: 66.83

Sun: Altitude: -19.81 Azimuth: 193.01

Moon: Altitude: 18.80 Azimuth: 47.21

Kislovodsk

Object: Altitude: -2.25 Azimuth: 27.95

Sun: Altitude: -14.83 Azimuth: 133.12

Moon: Altitude: 35.99 Azimuth: 340.36

Tavrida

Object: Altitude: -0.56 Azimuth: 22.15

Sun: Altitude: -9.52 Azimuth: 126.50

Moon: Altitude: 32.58 Azimuth: 330.91

SAAO

Object: Altitude: 73.53 Azimuth: 50.82

Sun: Altitude: -26.35 Azimuth: 94.74

Moon: Altitude: 47.63 Azimuth: 243.79

IAC

Object: Altitude: 17.58 Azimuth: 344.29

Sun: Altitude: 22.60 Azimuth: 98.35

Moon: Altitude: 9.05 Azimuth: 284.58

Argentina

Object: Altitude: 32.39 Azimuth: 302.21

Sun: Altitude: 36.97 Azimuth: 155.36

Moon: Altitude: -26.07 Azimuth: 299.49

Mexico

Object: Altitude: -37.16 Azimuth: 301.16

Sun: Altitude: 66.88 Azimuth: 301.17

Moon: Altitude: -64.98 Azimuth: 206.88

Ural

Object: Altitude: -19.24 Azimuth: 40.90

Sun: Altitude: -11.20 Azimuth: 150.24

Moon: Altitude: 24.66 Azimuth: 1.16

Vostryakovo

Object: Altitude: -11.29 Azimuth: 25.29

Sun: Altitude: -4.78 Azimuth: 130.66

Moon: Altitude: 24.04 Azimuth: 337.52

Gal. latitude: 5.747609 Gal. longitude: 266.591490

Dist. to Sun: 104.046737

Dist. to Moon: 58.517867

Moon coord.: (194.785916 d, -8.293083 d)

Sun coord.: (46.546131 d, 17.476813 d)

Lunar disk: 0.923349

Lunar phase: 32.145754

Lunar bright limb: 289.753826

No SN in this field
Recent coverage and limits telegrams

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

  ID = 2486
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 200412A ( B. Mailyan et al., GCN 27550) errorbox  36727 sec after notice time and 36754 sec after trigger time at 2020-04-12 17:09:46 UT, with upper limit up to  19.8 mag. Observations started at twilight.  The observations began at zenith distance = 20 deg. The sun  altitude  is -11.1 deg. 

The galactic latitude b =  6 deg., longitude l = 267 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1334832

We obtain a following upper limits.  

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

   36784 | 2020-04-12 17:09:46 |         MASTER-SAAO | (09h 23m 23.86s , -41d 50m 51.3s) |   C |    60 | 18.3 |        
   36787 | 2020-04-12 17:09:48 |         MASTER-SAAO | (09h 13m 52.34s , -41d 51m 51.9s) |   C |    60 | 18.4 |        
   37116 | 2020-04-12 17:15:18 |         MASTER-SAAO | (09h 23m 26.93s , -41d 50m 51.2s) |   C |    60 | 18.8 |        
   37119 | 2020-04-12 17:15:21 |         MASTER-SAAO | (09h 13m 54.79s , -41d 51m 51.5s) |   C |    60 | 18.8 |        
   37687 | 2020-04-12 17:24:49 |         MASTER-SAAO | (09h 27m 29.83s , -39d 52m 44.6s) |   C |    60 | 19.4 |        
   37690 | 2020-04-12 17:24:52 |         MASTER-SAAO | (09h 18m 13.86s , -39d 53m 44.4s) |   C |    60 | 19.2 |        
   38020 | 2020-04-12 17:30:21 |         MASTER-SAAO | (09h 27m 24.73s , -39d 51m 50.5s) |   C |    60 | 19.4 |        
   38023 | 2020-04-12 17:30:24 |         MASTER-SAAO | (09h 18m 08.71s , -39d 52m 51.1s) |   C |    60 | 19.3 |        
   38102 | 2020-04-12 17:31:44 |         MASTER-SAAO | (09h 35m 20.30s , -41d 51m 18.3s) |   C |    60 | 19.5 |        
   38179 | 2020-04-12 17:33:00 |         MASTER-SAAO | (09h 19m 58.74s , -43d 52m 00.1s) |   C |    60 | 19.7 |        
   38182 | 2020-04-12 17:33:03 |         MASTER-SAAO | (09h 10m 06.68s , -43d 53m 01.7s) |   C |    60 | 19.5 |        
   38433 | 2020-04-12 17:37:14 |         MASTER-SAAO | (09h 35m 24.18s , -41d 51m 37.7s) |   C |    60 | 19.5 |        
   38510 | 2020-04-12 17:38:31 |         MASTER-SAAO | (09h 19m 55.78s , -43d 52m 47.5s) |   C |    60 | 19.8 |        
   38513 | 2020-04-12 17:38:34 |         MASTER-SAAO | (09h 10m 03.48s , -43d 53m 49.3s) |   C |    60 | 19.5 |        
   38840 | 2020-04-12 17:44:01 |         MASTER-SAAO | (09h 06m 39.51s , -39d 52m 36.7s) |   C |    60 | 19.5 |        
   39002 | 2020-04-12 17:46:44 |         MASTER-SAAO | (09h 32m 18.87s , -43d 53m 20.4s) |   C |    60 | 19.5 |        
   39169 | 2020-04-12 17:49:31 |         MASTER-SAAO | (09h 06m 35.97s , -39d 53m 37.7s) |   C |    60 | 19.5 |        
   39332 | 2020-04-12 17:52:13 |         MASTER-SAAO | (09h 32m 13.58s , -43d 52m 35.8s) |   C |    60 | 19.6 |        
   44764 | 2020-04-12 19:22:45 |         MASTER-SAAO | (09h 01m 58.64s , -41d 54m 51.9s) |   C |    60 | 19.3 |        
   45087 | 2020-04-12 19:28:08 |         MASTER-SAAO | (09h 01m 50.81s , -41d 54m 01.5s) |   C |    60 | 19.3 |        
  123193 | 2020-04-13 17:09:54 |         MASTER-SAAO | (09h 23m 22.14s , -41d 51m 09.7s) |   C |    60 | 18.6 |        
  123196 | 2020-04-13 17:09:57 |         MASTER-SAAO | (09h 13m 59.83s , -41d 52m 17.6s) |   C |    60 | 18.7 |        
  123839 | 2020-04-13 17:20:40 |         MASTER-SAAO | (09h 23m 22.73s , -41d 51m 03.3s) |   C |    60 | 19.2 |        
  123842 | 2020-04-13 17:20:43 |         MASTER-SAAO | (09h 13m 59.66s , -41d 52m 11.1s) |   C |    60 | 19.3 |        
  124385 | 2020-04-13 17:28:46 |         MASTER-SAAO | (09h 27m 20.07s , -39d 52m 53.9s) |   C |   180 | 19.7 |        
  124388 | 2020-04-13 17:28:49 |         MASTER-SAAO | (09h 18m 13.11s , -39d 54m 02.3s) |   C |   180 | 19.5 |        
  124608 | 2020-04-13 17:33:29 |         MASTER-SAAO | (09h 35m 29.37s , -41d 51m 41.6s) |   C |    60 | 19.6 |        
  124764 | 2020-04-13 17:36:06 |         MASTER-SAAO | (09h 19m 54.83s , -43d 51m 13.8s) |   C |    60 | 19.8 |        
  124767 | 2020-04-13 17:36:09 |         MASTER-SAAO | (09h 10m 12.59s , -43d 52m 23.7s) |   C |    60 | 19.6 |        
  126672 | 2020-04-13 18:06:54 |         MASTER-SAAO | (09h 27m 19.77s , -39d 51m 22.2s) |   C |   180 | 19.6 |        
  126675 | 2020-04-13 18:06:57 |         MASTER-SAAO | (09h 18m 11.65s , -39d 52m 30.0s) |   C |   180 | 19.6 |        
  126895 | 2020-04-13 18:11:37 |         MASTER-SAAO | (09h 35m 25.32s , -41d 54m 02.4s) |   C |    60 | 19.6 |        
  127051 | 2020-04-13 18:14:13 |         MASTER-SAAO | (09h 19m 51.91s , -43d 51m 42.6s) |   C |    60 | 19.5 |        
  127054 | 2020-04-13 18:14:16 |         MASTER-SAAO | (09h 10m 08.18s , -43d 52m 51.9s) |   C |    60 | 19.7 |        
  127330 | 2020-04-13 18:18:52 |         MASTER-SAAO | (09h 06m 33.15s , -39d 52m 23.8s) |   C |    60 | 19.4 |        
  127414 | 2020-04-13 18:20:15 |         MASTER-SAAO | (09h 32m 17.87s , -43d 53m 12.9s) |   C |    60 | 19.7 |        
  128535 | 2020-04-13 18:38:56 |         MASTER-SAAO | (09h 06m 26.80s , -39d 54m 22.8s) |   C |    60 | 19.3 |        
  128618 | 2020-04-13 18:40:19 |         MASTER-SAAO | (09h 32m 23.95s , -43d 54m 05.5s) |   C |    60 | 19.5 |        
  133974 | 2020-04-13 20:09:35 |         MASTER-SAAO | (09h 01m 44.43s , -41d 55m 32.2s) |   C |    60 | 19.0 |        
  134534 | 2020-04-13 20:18:56 |         MASTER-SAAO | (09h 01m 49.84s , -41d 54m 05.8s) |   C |    60 | 18.9 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 2482
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 GFERMI Alert 200412.29 (trigger No 608367436,08h 56m 48.00s , -38d 12m 00.0s, R=2.28254) errorbox  37152 sec after notice time and 38810 sec after trigger time at 2020-04-12 17:44:01 UT, with upper limit up to  20.0 mag. The observations began at zenith distance = 11 deg. The sun  altitude  is -18.4 deg. 

The galactic latitude b =  5 deg., longitude l = 261 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1334812

We obtain a following upper limits.  

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

   38841 | 2020-04-12 17:44:01 |         MASTER-SAAO | (09h 06m 39.51s , -39d 52m 36.7s) |   C |    60 | 19.5 |        
   38844 | 2020-04-12 17:44:04 |         MASTER-SAAO | (08h 57m 23.15s , -39d 53m 40.6s) |   C |    60 | 19.6 |        
   38921 | 2020-04-12 17:45:21 |         MASTER-SAAO | (09h 11m 34.24s , -37d 53m 33.1s) |   C |    60 | 19.1 |        
   38923 | 2020-04-12 17:45:24 |         MASTER-SAAO | (09h 02m 33.15s , -37d 54m 37.1s) |   C |    60 | 19.1 |        
   39170 | 2020-04-12 17:49:31 |         MASTER-SAAO | (09h 06m 35.97s , -39d 53m 37.7s) |   C |    60 | 19.5 |        
   39173 | 2020-04-12 17:49:34 |         MASTER-SAAO | (08h 57m 19.39s , -39d 54m 42.5s) |   C |    60 | 19.6 |        
   39250 | 2020-04-12 17:50:51 |         MASTER-SAAO | (09h 11m 40.10s , -37d 52m 03.7s) |   C |    60 | 19.1 |        
   39253 | 2020-04-12 17:50:54 |         MASTER-SAAO | (09h 02m 39.08s , -37d 53m 08.5s) |   C |    60 | 19.1 |        
   44765 | 2020-04-12 19:22:45 |         MASTER-SAAO | (09h 01m 58.64s , -41d 54m 51.9s) |   C |    60 | 19.3 |        
   44768 | 2020-04-12 19:22:48 |         MASTER-SAAO | (08h 52m 23.77s , -41d 55m 58.6s) |   C |    60 | 20.0 |        
   45088 | 2020-04-12 19:28:08 |         MASTER-SAAO | (09h 01m 50.81s , -41d 54m 01.5s) |   C |    60 | 19.3 |        
   45091 | 2020-04-12 19:28:11 |         MASTER-SAAO | (08h 52m 16.47s , -41d 55m 08.3s) |   C |    60 | 20.0 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 2477
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 GRB 200412A ( B. Mailyan et al., GCN 27550) errorbox  36730 sec after notice time and 36757 sec after trigger time at 2020-04-12 17:09:48 UT, with upper limit up to  19.6 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.1 deg. 

The galactic latitude b =  1 deg., longitude l = 261 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1334799

We obtain a following upper limits.  

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

   36787 | 2020-04-12 17:09:48 |         MASTER-SAAO | (09h 13m 52.34s , -41d 51m 51.9s) |   C |    60 | 18.4 |        
   37119 | 2020-04-12 17:15:21 |         MASTER-SAAO | (09h 13m 54.79s , -41d 51m 51.5s) |   C |    60 | 18.8 |        
   38182 | 2020-04-12 17:33:03 |         MASTER-SAAO | (09h 10m 06.68s , -43d 53m 01.7s) |   C |    60 | 19.5 |        
   38513 | 2020-04-12 17:38:34 |         MASTER-SAAO | (09h 10m 03.48s , -43d 53m 49.3s) |   C |    60 | 19.5 |        
   38840 | 2020-04-12 17:44:01 |         MASTER-SAAO | (09h 06m 39.51s , -39d 52m 36.7s) |   C |    60 | 19.5 |        
   38843 | 2020-04-12 17:44:04 |         MASTER-SAAO | (08h 57m 23.15s , -39d 53m 40.6s) |   C |    60 | 19.6 |        
   38922 | 2020-04-12 17:45:24 |         MASTER-SAAO | (09h 02m 33.15s , -37d 54m 37.1s) |   C |    60 | 19.1 |        
   39169 | 2020-04-12 17:49:31 |         MASTER-SAAO | (09h 06m 35.97s , -39d 53m 37.7s) |   C |    60 | 19.5 |        
   39172 | 2020-04-12 17:49:34 |         MASTER-SAAO | (08h 57m 19.39s , -39d 54m 42.5s) |   C |    60 | 19.6 |        
   39252 | 2020-04-12 17:50:54 |         MASTER-SAAO | (09h 02m 39.08s , -37d 53m 08.5s) |   C |    60 | 19.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 2476
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 GRB 200412A ( B. Mailyan et al., GCN 27550) errorbox  36730 sec after notice time and 36757 sec after trigger time at 2020-04-12 17:09:48 UT, with upper limit up to  19.6 mag. Observations started at twilight.  The observations began at zenith distance = 18 deg. The sun  altitude  is -11.1 deg. 

The galactic latitude b =  1 deg., longitude l = 261 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1334799

We obtain a following upper limits.  

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

   36787 | 2020-04-12 17:09:48 |         MASTER-SAAO | (09h 13m 52.34s , -41d 51m 51.9s) |   C |    60 | 18.4 |        
   37119 | 2020-04-12 17:15:21 |         MASTER-SAAO | (09h 13m 54.79s , -41d 51m 51.5s) |   C |    60 | 18.8 |        
   38182 | 2020-04-12 17:33:03 |         MASTER-SAAO | (09h 10m 06.68s , -43d 53m 01.7s) |   C |    60 | 19.5 |        
   38513 | 2020-04-12 17:38:34 |         MASTER-SAAO | (09h 10m 03.48s , -43d 53m 49.3s) |   C |    60 | 19.5 |        
   38840 | 2020-04-12 17:44:01 |         MASTER-SAAO | (09h 06m 39.51s , -39d 52m 36.7s) |   C |    60 | 19.5 |        
   38843 | 2020-04-12 17:44:04 |         MASTER-SAAO | (08h 57m 23.15s , -39d 53m 40.6s) |   C |    60 | 19.6 |        
   38922 | 2020-04-12 17:45:24 |         MASTER-SAAO | (09h 02m 33.15s , -37d 54m 37.1s) |   C |    60 | 19.1 |        
   39169 | 2020-04-12 17:49:31 |         MASTER-SAAO | (09h 06m 35.97s , -39d 53m 37.7s) |   C |    60 | 19.5 |        
   39172 | 2020-04-12 17:49:34 |         MASTER-SAAO | (08h 57m 19.39s , -39d 54m 42.5s) |   C |    60 | 19.6 |        
   39252 | 2020-04-12 17:50:54 |         MASTER-SAAO | (09h 02m 39.08s , -37d 53m 08.5s) |   C |    60 | 19.1 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 2475
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 GFERMI Alert 200412.29 (trigger No 608367436,08h 56m 48.00s , -38d 12m 00.0s, R=2.28254) errorbox  37152 sec after notice time and 38810 sec after trigger time at 2020-04-12 17:44:01 UT, with upper limit up to  19.6 mag. The observations began at zenith distance = 11 deg. The sun  altitude  is -18.4 deg. 

The galactic latitude b =  5 deg., longitude l = 261 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1334812

We obtain a following upper limits.  

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

   38841 | 2020-04-12 17:44:01 |         MASTER-SAAO | (09h 06m 39.51s , -39d 52m 36.7s) |   C |    60 | 19.5 |        
   38844 | 2020-04-12 17:44:04 |         MASTER-SAAO | (08h 57m 23.15s , -39d 53m 40.6s) |   C |    60 | 19.6 |        
   38921 | 2020-04-12 17:45:21 |         MASTER-SAAO | (09h 11m 34.24s , -37d 53m 33.1s) |   C |    60 | 19.1 |        
   38923 | 2020-04-12 17:45:24 |         MASTER-SAAO | (09h 02m 33.15s , -37d 54m 37.1s) |   C |    60 | 19.1 |        
   39170 | 2020-04-12 17:49:31 |         MASTER-SAAO | (09h 06m 35.97s , -39d 53m 37.7s) |   C |    60 | 19.5 |        
   39173 | 2020-04-12 17:49:34 |         MASTER-SAAO | (08h 57m 19.39s , -39d 54m 42.5s) |   C |    60 | 19.6 |        
   39250 | 2020-04-12 17:50:51 |         MASTER-SAAO | (09h 11m 40.10s , -37d 52m 03.7s) |   C |    60 | 19.1 |        
   39253 | 2020-04-12 17:50:54 |         MASTER-SAAO | (09h 02m 39.08s , -37d 53m 08.5s) |   C |    60 | 19.1 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025