MASTER Net MASTER Database: GRB241027.15 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 EP GRB241027.15
Trignum 1729966470
Trigger time 2024-10-27 03:36:23
Notice time 2024-10-30 13:17:35.198737
Coord, eb (03h 45m 37.39s , +41d 01m 52.3s) , 0.01
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
2653957 2024-10-30 13:17:35.198737 03h 45m 37.39s +41d 01m 52.3s EP 0.01 alert 1729966470 0 1115 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

2024-10-27 03:36:23 (JD 2460610.650266)

Siderial time 8.513947 h

Ra 03:45:37.39 Dec 41:01:52.30
( 56.405792d, 41.031194d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 2.83 Azimuth: 165.89

Sun: Altitude: 26.65 Azimuth: 6.50

Moon: Altitude: 28.63 Azimuth: 73.25

Tunka

Object: Altitude: 10.15 Azimuth: 148.33

Sun: Altitude: 23.43 Azimuth: 340.33

Moon: Altitude: 41.27 Azimuth: 47.98

Kislovodsk

Object: Altitude: 35.72 Azimuth: 115.53

Sun: Altitude: -1.09 Azimuth: 286.79

Moon: Altitude: 51.26 Azimuth: 317.25

Tavrida

Object: Altitude: 41.71 Azimuth: 110.79

Sun: Altitude: -7.24 Azimuth: 280.88

Moon: Altitude: 46.09 Azimuth: 307.46

SAAO

Object: Altitude: 1.06 Azimuth: 142.11

Sun: Altitude: -1.97 Azimuth: 286.53

Moon: Altitude: 26.59 Azimuth: 233.70

IAC

Object: Altitude: 71.05 Azimuth: 136.69

Sun: Altitude: -48.04 Azimuth: 257.17

Moon: Altitude: 10.18 Azimuth: 261.81

Argentina

Object: Altitude: 10.08 Azimuth: 206.52

Sun: Altitude: -44.19 Azimuth: 14.84

Moon: Altitude: -46.31 Azimuth: 287.22

Mexico

Object: Altitude: 29.16 Azimuth: 237.21

Sun: Altitude: -39.02 Azimuth: 98.91

Moon: Altitude: -46.96 Azimuth: 181.94

Ural

Object: Altitude: 31.85 Azimuth: 117.54

Sun: Altitude: 3.62 Azimuth: 300.39

Moon: Altitude: 44.43 Azimuth: 348.01

Vostryakovo

Object: Altitude: 42.55 Azimuth: 103.82

Sun: Altitude: -7.00 Azimuth: 282.44

Moon: Altitude: 40.52 Azimuth: 319.29

Gal. latitude: -10.275775 Gal. longitude: 155.279957

Dist. to Sun: 144.428908

Dist. to Moon: 90.955127

Moon coord.: (158.352669 d, 11.964754 d)

Sun coord.: (211.622227 d, -12.811650 d)

Lunar disk: 0.238740

Lunar phase: 121.501493

Lunar bright limb: 113.382410

No SN in this field

2024-10-30 13:17:35 (JD 2460614.053877)

Siderial time 18.424265 h

Ra 03:45:37.39 Dec 41:01:52.30
( 56.405792d, 41.031194d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 54.46 Azimuth: 265.33

Sun: Altitude: -46.81 Azimuth: 137.10

Moon: Altitude: -46.18 Azimuth: 168.59

Tunka

Object: Altitude: 39.78 Azimuth: 251.14

Sun: Altitude: -33.34 Azimuth: 111.71

Moon: Altitude: -37.90 Azimuth: 137.70

Kislovodsk

Object: Altitude: 3.88 Azimuth: 212.23

Sun: Altitude: 6.58 Azimuth: 63.50

Moon: Altitude: -2.76 Azimuth: 82.95

Tavrida

Object: Altitude: 1.74 Azimuth: 206.58

Sun: Altitude: 11.38 Azimuth: 56.95

Moon: Altitude: 3.07 Azimuth: 77.00

SAAO

Object: Altitude: -69.61 Azimuth: 238.33

Sun: Altitude: 45.42 Azimuth: 103.71

Moon: Altitude: 24.47 Azimuth: 97.47

IAC

Object: Altitude: -19.44 Azimuth: 168.71

Sun: Altitude: 47.17 Azimuth: 10.48

Moon: Altitude: 45.50 Azimuth: 41.80

Argentina

Object: Altitude: -36.63 Azimuth: 120.10

Sun: Altitude: 44.84 Azimuth: 257.48

Moon: Altitude: 56.13 Azimuth: 228.19

Mexico

Object: Altitude: 32.60 Azimuth: 121.64

Sun: Altitude: -4.26 Azimuth: 283.72

Moon: Altitude: 16.60 Azimuth: 289.15

Ural

Object: Altitude: 20.94 Azimuth: 225.43

Sun: Altitude: -8.12 Azimuth: 76.86

Moon: Altitude: -13.54 Azimuth: 98.10

Vostryakovo

Object: Altitude: 12.28 Azimuth: 209.85

Sun: Altitude: 3.65 Azimuth: 58.84

Moon: Altitude: -1.47 Azimuth: 79.78

Gal. latitude: -10.275775 Gal. longitude: 155.279957

Dist. to Sun: 147.078406

Dist. to Moon: 129.364260

Moon coord.: (194.158545 d, -6.999757 d)

Sun coord.: (214.917604 d, -13.942540 d)

Lunar disk: 0.035096

Lunar phase: 158.404795

Lunar bright limb: 110.496614

No SN in this field

2024-10-30 14:17:35 (JD 2460614.095544)

Siderial time 19.427002 h

Ra 03:45:37.39 Dec 41:01:52.30
( 56.405792d, 41.031194d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 64.04 Azimuth: 277.30

Sun: Altitude: -51.97 Azimuth: 158.11

Moon: Altitude: -46.55 Azimuth: 189.65

Tunka

Object: Altitude: 48.79 Azimuth: 260.79

Sun: Altitude: -41.43 Azimuth: 126.99

Moon: Altitude: -43.09 Azimuth: 155.54

Kislovodsk

Object: Altitude: 10.41 Azimuth: 221.57

Sun: Altitude: -3.52 Azimuth: 74.00

Moon: Altitude: -13.44 Azimuth: 92.85

Tavrida

Object: Altitude: 7.33 Azimuth: 216.47

Sun: Altitude: 1.93 Azimuth: 68.10

Moon: Altitude: -7.35 Azimuth: 87.09

SAAO

Object: Altitude: -58.46 Azimuth: 243.07

Sun: Altitude: 32.92 Azimuth: 94.03

Moon: Altitude: 12.29 Azimuth: 89.18

IAC

Object: Altitude: -20.66 Azimuth: 180.70

Sun: Altitude: 42.54 Azimuth: 30.01

Moon: Altitude: 35.63 Azimuth: 55.83

Argentina

Object: Altitude: -47.83 Azimuth: 117.78

Sun: Altitude: 56.91 Azimuth: 244.43

Moon: Altitude: 63.67 Azimuth: 203.19

Mexico

Object: Altitude: 21.87 Azimuth: 125.73

Sun: Altitude: 7.97 Azimuth: 291.63

Moon: Altitude: 27.88 Azimuth: 299.00

Ural

Object: Altitude: 27.25 Azimuth: 235.74

Sun: Altitude: -16.21 Azimuth: 89.24

Moon: Altitude: -21.41 Azimuth: 110.87

Vostryakovo

Object: Altitude: 17.19 Azimuth: 220.42

Sun: Altitude: -4.08 Azimuth: 71.19

Moon: Altitude: -9.92 Azimuth: 91.63

Gal. latitude: -10.275775 Gal. longitude: 155.279957

Dist. to Sun: 147.110123

Dist. to Moon: 129.824255

Moon coord.: (194.598450 d, -7.230008 d)

Sun coord.: (214.958184 d, -13.956128 d)

Lunar disk: 0.033669

Lunar phase: 158.853612

Lunar bright limb: 110.284100

No SN in this field

2024-11-01 08:34:31 (JD 2460615.857303)

Siderial time 13.824990 h

Ra 03:45:37.39 Dec 41:01:52.30
( 56.405792d, 41.031194d)

Rise n/a

Transit n/a

Set n/a

Amur

Object: Altitude: 15.69 Azimuth: 223.17

Sun: Altitude: -5.26 Azimuth: 73.53

Moon: Altitude: -8.45 Azimuth: 74.40

Tunka

Object: Altitude: 8.08 Azimuth: 206.89

Sun: Altitude: 7.84 Azimuth: 54.24

Moon: Altitude: 4.79 Azimuth: 55.55

Kislovodsk

Object: Altitude: -2.49 Azimuth: 162.02

Sun: Altitude: 31.59 Azimuth: 355.00

Moon: Altitude: 29.80 Azimuth: 358.24

Tavrida

Object: Altitude: 0.61 Azimuth: 156.00

Sun: Altitude: 29.59 Azimuth: 345.60

Moon: Altitude: 28.15 Azimuth: 349.00

SAAO

Object: Altitude: -52.69 Azimuth: 116.77

Sun: Altitude: 60.27 Azimuth: 239.23

Moon: Altitude: 63.56 Azimuth: 238.47

IAC

Object: Altitude: 13.42 Azimuth: 129.65

Sun: Altitude: 15.21 Azimuth: 296.20

Moon: Altitude: 16.26 Azimuth: 299.46

Argentina

Object: Altitude: 6.61 Azimuth: 148.15

Sun: Altitude: -13.40 Azimuth: 296.81

Moon: Altitude: -10.09 Azimuth: 296.65

Mexico

Object: Altitude: 79.74 Azimuth: 167.34

Sun: Altitude: -63.44 Azimuth: 236.65

Moon: Altitude: -62.57 Azimuth: 243.69

Ural

Object: Altitude: 8.25 Azimuth: 174.59

Sun: Altitude: 17.67 Azimuth: 12.82

Moon: Altitude: 15.41 Azimuth: 15.34

Vostryakovo

Object: Altitude: 9.49 Azimuth: 158.35

Sun: Altitude: 19.67 Azimuth: 350.63

Moon: Altitude: 17.98 Azimuth: 353.64

Gal. latitude: -10.275775 Gal. longitude: 155.279957

Dist. to Sun: 148.433103

Dist. to Moon: 148.654298

Moon coord.: (213.874796 d, -16.435764 d)

Sun coord.: (216.679396 d, -14.524693 d)

Lunar disk: 0.000844

Lunar phase: 176.670938

Lunar bright limb: 55.287611

No SN in this field
Recent coverage and limits telegrams

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

  ID = 11481
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) was pointed to the EP241026b ( EP Team et al., GCN 37902) errorbox  10998 sec after notice time and 48189 sec after trigger time at 2024-10-27 07:37:39 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -25.1 deg. 

The galactic latitude b = -10 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2650500

We obtain a following upper limits.  

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

   48220 | 2024-10-27 07:37:39 |         MASTER-OAFA | (03h 43m 49.97s , +40d 43m 52.5s) |   C |    60 | 18.2 |        
   48285 | 2024-10-27 07:38:45 |         MASTER-OAFA | (03h 43m 49.68s , +40d 43m 53.3s) |   C |    60 | 18.3 |        
   48350 | 2024-10-27 07:39:50 |         MASTER-OAFA | (03h 43m 49.43s , +40d 43m 53.8s) |   C |    60 | 18.3 |        
   48682 | 2024-10-27 07:45:21 |         MASTER-OAFA | (03h 43m 45.44s , +40d 43m 44.4s) |   C |    60 | 18.4 |        
   48748 | 2024-10-27 07:46:27 |         MASTER-OAFA | (03h 43m 45.20s , +40d 43m 44.3s) |   C |    60 | 18.4 |        
   48813 | 2024-10-27 07:47:33 |         MASTER-OAFA | (03h 43m 44.94s , +40d 43m 44.0s) |   C |    60 | 18.5 |        
   49208 | 2024-10-27 07:54:07 |         MASTER-OAFA | (03h 45m 19.58s , +41d 09m 47.3s) |   C |    60 | 18.4 |        
   49273 | 2024-10-27 07:55:13 |         MASTER-OAFA | (03h 45m 19.46s , +41d 09m 49.7s) |   C |    60 | 18.5 |        
   49339 | 2024-10-27 07:56:18 |         MASTER-OAFA | (03h 45m 19.34s , +41d 09m 51.4s) |   C |    60 | 18.5 |        
   49674 | 2024-10-27 08:01:54 |         MASTER-OAFA | (03h 45m 23.43s , +41d 09m 58.8s) |   C |    60 | 18.5 |        
   49740 | 2024-10-27 08:03:00 |         MASTER-OAFA | (03h 45m 23.28s , +41d 09m 59.6s) |   C |    60 | 18.4 |        
   49806 | 2024-10-27 08:04:05 |         MASTER-OAFA | (03h 45m 23.13s , +41d 10m 00.4s) |   C |    60 | 18.4 |        
   50136 | 2024-10-27 08:09:35 |         MASTER-OAFA | (03h 45m 24.11s , +41d 09m 25.8s) |   C |    60 | 18.0 |        
   50201 | 2024-10-27 08:10:41 |         MASTER-OAFA | (03h 45m 23.91s , +41d 09m 23.1s) |   C |    60 | 18.3 |        
   50267 | 2024-10-27 08:11:46 |         MASTER-OAFA | (03h 45m 23.75s , +41d 09m 23.6s) |   C |    60 | 18.2 |        
   50597 | 2024-10-27 08:17:16 |         MASTER-OAFA | (03h 45m 19.19s , +41d 09m 12.9s) |   C |    60 | 18.4 |        
   50662 | 2024-10-27 08:18:21 |         MASTER-OAFA | (03h 45m 19.05s , +41d 09m 13.3s) |   C |    60 | 18.4 |        
   50727 | 2024-10-27 08:19:27 |         MASTER-OAFA | (03h 45m 18.92s , +41d 09m 13.2s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11476
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) was pointed to the EP241026b ( EP Team et al., GCN 37902) errorbox  10998 sec after notice time and 48189 sec after trigger time at 2024-10-27 07:37:39 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -25.1 deg. 

The galactic latitude b = -10 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2650500

We obtain a following upper limits.  

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

   48220 | 2024-10-27 07:37:39 |         MASTER-OAFA | (03h 43m 49.97s , +40d 43m 52.5s) |   C |    60 | 18.2 |        
   48285 | 2024-10-27 07:38:45 |         MASTER-OAFA | (03h 43m 49.68s , +40d 43m 53.3s) |   C |    60 | 18.3 |        
   48350 | 2024-10-27 07:39:50 |         MASTER-OAFA | (03h 43m 49.43s , +40d 43m 53.8s) |   C |    60 | 18.3 |        
   48682 | 2024-10-27 07:45:21 |         MASTER-OAFA | (03h 43m 45.44s , +40d 43m 44.4s) |   C |    60 | 18.4 |        
   48748 | 2024-10-27 07:46:27 |         MASTER-OAFA | (03h 43m 45.20s , +40d 43m 44.3s) |   C |    60 | 18.4 |        
   48813 | 2024-10-27 07:47:33 |         MASTER-OAFA | (03h 43m 44.94s , +40d 43m 44.0s) |   C |    60 | 18.5 |        
   49208 | 2024-10-27 07:54:07 |         MASTER-OAFA | (03h 45m 19.58s , +41d 09m 47.3s) |   C |    60 | 18.4 |        
   49273 | 2024-10-27 07:55:13 |         MASTER-OAFA | (03h 45m 19.46s , +41d 09m 49.7s) |   C |    60 | 18.5 |        
   49339 | 2024-10-27 07:56:18 |         MASTER-OAFA | (03h 45m 19.34s , +41d 09m 51.4s) |   C |    60 | 18.5 |        
   49674 | 2024-10-27 08:01:54 |         MASTER-OAFA | (03h 45m 23.43s , +41d 09m 58.8s) |   C |    60 | 18.5 |        
   49740 | 2024-10-27 08:03:00 |         MASTER-OAFA | (03h 45m 23.28s , +41d 09m 59.6s) |   C |    60 | 18.4 |        
   49806 | 2024-10-27 08:04:05 |         MASTER-OAFA | (03h 45m 23.13s , +41d 10m 00.4s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11475
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) was pointed to the EP241026b ( EP Team et al., GCN 37902) errorbox  10998 sec after notice time and 48189 sec after trigger time at 2024-10-27 07:37:39 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -25.1 deg. 

The galactic latitude b = -10 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2650500

We obtain a following upper limits.  

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

   48220 | 2024-10-27 07:37:39 |         MASTER-OAFA | (03h 43m 49.97s , +40d 43m 52.5s) |   C |    60 | 18.2 |        
   48285 | 2024-10-27 07:38:45 |         MASTER-OAFA | (03h 43m 49.68s , +40d 43m 53.3s) |   C |    60 | 18.3 |        
   48350 | 2024-10-27 07:39:50 |         MASTER-OAFA | (03h 43m 49.43s , +40d 43m 53.8s) |   C |    60 | 18.3 |        
   48682 | 2024-10-27 07:45:21 |         MASTER-OAFA | (03h 43m 45.44s , +40d 43m 44.4s) |   C |    60 | 18.4 |        
   48748 | 2024-10-27 07:46:27 |         MASTER-OAFA | (03h 43m 45.20s , +40d 43m 44.3s) |   C |    60 | 18.4 |        
   48813 | 2024-10-27 07:47:33 |         MASTER-OAFA | (03h 43m 44.94s , +40d 43m 44.0s) |   C |    60 | 18.5 |        
   49208 | 2024-10-27 07:54:07 |         MASTER-OAFA | (03h 45m 19.58s , +41d 09m 47.3s) |   C |    60 | 18.4 |        
   49273 | 2024-10-27 07:55:13 |         MASTER-OAFA | (03h 45m 19.46s , +41d 09m 49.7s) |   C |    60 | 18.5 |        
   49339 | 2024-10-27 07:56:18 |         MASTER-OAFA | (03h 45m 19.34s , +41d 09m 51.4s) |   C |    60 | 18.5 |        
   49674 | 2024-10-27 08:01:54 |         MASTER-OAFA | (03h 45m 23.43s , +41d 09m 58.8s) |   C |    60 | 18.5 |        
   49740 | 2024-10-27 08:03:00 |         MASTER-OAFA | (03h 45m 23.28s , +41d 09m 59.6s) |   C |    60 | 18.4 |        
   49806 | 2024-10-27 08:04:05 |         MASTER-OAFA | (03h 45m 23.13s , +41d 10m 00.4s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 11474
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) was pointed to the EP241026b ( EP Team et al., GCN 37902) errorbox  10998 sec after notice time and 48189 sec after trigger time at 2024-10-27 07:37:39 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -25.1 deg. 

The galactic latitude b = -10 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2650500

We obtain a following upper limits.  

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

   48220 | 2024-10-27 07:37:39 |         MASTER-OAFA | (03h 43m 49.97s , +40d 43m 52.5s) |   C |    60 | 18.2 |        
   48285 | 2024-10-27 07:38:45 |         MASTER-OAFA | (03h 43m 49.68s , +40d 43m 53.3s) |   C |    60 | 18.3 |        
   48350 | 2024-10-27 07:39:50 |         MASTER-OAFA | (03h 43m 49.43s , +40d 43m 53.8s) |   C |    60 | 18.3 |        
   48682 | 2024-10-27 07:45:21 |         MASTER-OAFA | (03h 43m 45.44s , +40d 43m 44.4s) |   C |    60 | 18.4 |        
   48748 | 2024-10-27 07:46:27 |         MASTER-OAFA | (03h 43m 45.20s , +40d 43m 44.3s) |   C |    60 | 18.4 |        
   48813 | 2024-10-27 07:47:33 |         MASTER-OAFA | (03h 43m 44.94s , +40d 43m 44.0s) |   C |    60 | 18.5 |        
   49208 | 2024-10-27 07:54:07 |         MASTER-OAFA | (03h 45m 19.58s , +41d 09m 47.3s) |   C |    60 | 18.4 |        
   49273 | 2024-10-27 07:55:13 |         MASTER-OAFA | (03h 45m 19.46s , +41d 09m 49.7s) |   C |    60 | 18.5 |        
   49339 | 2024-10-27 07:56:18 |         MASTER-OAFA | (03h 45m 19.34s , +41d 09m 51.4s) |   C |    60 | 18.5 |        
   49674 | 2024-10-27 08:01:54 |         MASTER-OAFA | (03h 45m 23.43s , +41d 09m 58.8s) |   C |    60 | 18.5 |        
   49740 | 2024-10-27 08:03:00 |         MASTER-OAFA | (03h 45m 23.28s , +41d 09m 59.6s) |   C |    60 | 18.4 |        
   49806 | 2024-10-27 08:04:05 |         MASTER-OAFA | (03h 45m 23.13s , +41d 10m 00.4s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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



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  ID = 11473
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) was pointed to the EP241026b ( EP Team et al., GCN 37902) errorbox  10998 sec after notice time and 48189 sec after trigger time at 2024-10-27 07:37:39 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 76 deg. The sun  altitude  is -25.1 deg. 

The galactic latitude b = -10 deg., longitude l = 155 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2650500

We obtain a following upper limits.  

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

   48220 | 2024-10-27 07:37:39 |         MASTER-OAFA | (03h 43m 49.97s , +40d 43m 52.5s) |   C |    60 | 18.2 |        
   48285 | 2024-10-27 07:38:45 |         MASTER-OAFA | (03h 43m 49.68s , +40d 43m 53.3s) |   C |    60 | 18.3 |        
   48350 | 2024-10-27 07:39:50 |         MASTER-OAFA | (03h 43m 49.43s , +40d 43m 53.8s) |   C |    60 | 18.3 |        
   48682 | 2024-10-27 07:45:21 |         MASTER-OAFA | (03h 43m 45.44s , +40d 43m 44.4s) |   C |    60 | 18.4 |        
   48748 | 2024-10-27 07:46:27 |         MASTER-OAFA | (03h 43m 45.20s , +40d 43m 44.3s) |   C |    60 | 18.4 |        
   48813 | 2024-10-27 07:47:33 |         MASTER-OAFA | (03h 43m 44.94s , +40d 43m 44.0s) |   C |    60 | 18.5 |        
   49208 | 2024-10-27 07:54:07 |         MASTER-OAFA | (03h 45m 19.58s , +41d 09m 47.3s) |   C |    60 | 18.4 |        
   49273 | 2024-10-27 07:55:13 |         MASTER-OAFA | (03h 45m 19.46s , +41d 09m 49.7s) |   C |    60 | 18.5 |        
   49339 | 2024-10-27 07:56:18 |         MASTER-OAFA | (03h 45m 19.34s , +41d 09m 51.4s) |   C |    60 | 18.5 |        
   49674 | 2024-10-27 08:01:54 |         MASTER-OAFA | (03h 45m 23.43s , +41d 09m 58.8s) |   C |    60 | 18.5 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2024