MASTER Net MASTER Database: GRB240421.40 pagePlease 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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MASTER WFC:
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MASTER II: |
General: |
| MASTER observatories and transients from them in error-field |
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MASTER optical transients in this field
Will be published in GCN, ATEL
| Distance | datetime | coord2000 | observatory | camera | links |
| trigger | notice | notice+1hr | now |
| 2024-04-21 09:42:41 (JD 2460421.904641) Siderial time 2.216505 h Ra 19:48:26.40 Dec -19:22:48.00 Rise 2024-04-22 02:15:21 Transit 2024-04-21 06:19:11 Set 2024-04-21 10:19:03 AmurObject: Altitude: -58.70 Azimuth: 190.94 Sun: Altitude: 6.78 Azimuth: 100.60 Moon: Altitude: 18.53 Azimuth: 294.03 TunkaObject: Altitude: -54.51 Azimuth: 149.12 Sun: Altitude: 22.08 Azimuth: 81.18 Moon: Altitude: 3.37 Azimuth: 274.46 KislovodskObject: Altitude: -21.10 Azimuth: 82.93 Sun: Altitude: 57.33 Azimuth: 16.21 Moon: Altitude: -36.35 Azimuth: 225.47 TavridaObject: Altitude: -15.26 Azimuth: 77.65 Sun: Altitude: 57.25 Azimuth: 0.64 Moon: Altitude: -39.56 Azimuth: 215.42 SAAOObject: Altitude: 18.98 Azimuth: 78.61 Sun: Altitude: 43.97 Azimuth: 197.59 Moon: Altitude: -55.16 Azimuth: 336.20 IACObject: Altitude: 27.38 Azimuth: 45.31 Sun: Altitude: 40.55 Azimuth: 278.65 Moon: Altitude: -53.64 Azimuth: 136.70 ArgentinaObject: Altitude: 74.23 Azimuth: 220.61 Sun: Altitude: -17.23 Azimuth: 266.37 Moon: Altitude: -11.13 Azimuth: 82.86 MexicoObject: Altitude: 19.14 Azimuth: 308.24 Sun: Altitude: -34.84 Azimuth: 224.41 Moon: Altitude: 23.54 Azimuth: 74.65 UralObject: Altitude: -31.32 Azimuth: 102.97 Sun: Altitude: 40.77 Azimuth: 34.32 Moon: Altitude: -19.64 Azimuth: 236.86 VostryakovoObject: Altitude: -19.40 Azimuth: 83.73 Sun: Altitude: 46.48 Azimuth: 5.90 Moon: Altitude: -29.47 Azimuth: 215.45 Gal. latitude: -21.561227 Gal. longitude: 21.634913 Dist. to Sun: 95.968230 Dist. to Moon: 112.524061 Moon coord.: (183.109554 d, -0.107918 d) Sun coord.: (29.289819 d, 11.979886 d) Lunar disk: 0.939443 Lunar phase: 28.491819 Lunar bright limb: 295.506236 No SN in this field |
2024-04-21 20:03:42 (JD 2460422.335903) Siderial time 12.595121 h Ra 19:48:26.40 Dec -19:22:48.00 Rise 2024-04-23 02:11:26 Transit 2024-04-22 06:15:15 Set 2024-04-22 10:15:07 AmurObject: Altitude: 18.45 Azimuth: 341.79 Sun: Altitude: -3.50 Azimuth: 246.21 Moon: Altitude: -2.72 Azimuth: 89.26 TunkaObject: Altitude: 9.65 Azimuth: 319.51 Sun: Altitude: -15.35 Azimuth: 225.47 Moon: Altitude: 12.05 Azimuth: 69.81 KislovodskObject: Altitude: -22.70 Azimuth: 275.59 Sun: Altitude: -32.29 Azimuth: 161.57 Moon: Altitude: 43.36 Azimuth: 8.54 TavridaObject: Altitude: -28.83 Azimuth: 269.30 Sun: Altitude: -29.00 Azimuth: 152.53 Moon: Altitude: 42.66 Azimuth: 356.87 SAAOObject: Altitude: -16.21 Azimuth: 306.41 Sun: Altitude: -50.08 Azimuth: 68.27 Moon: Altitude: 56.81 Azimuth: 209.21 IACObject: Altitude: -71.56 Azimuth: 244.96 Sun: Altitude: -7.17 Azimuth: 107.95 Moon: Altitude: 30.68 Azimuth: 292.24 ArgentinaObject: Altitude: -28.74 Azimuth: 38.25 Sun: Altitude: 23.43 Azimuth: 122.55 Moon: Altitude: -11.85 Azimuth: 280.60 MexicoObject: Altitude: -21.35 Azimuth: 79.60 Sun: Altitude: 68.42 Azimuth: 31.18 Moon: Altitude: -47.60 Azimuth: 234.42 UralObject: Altitude: -14.18 Azimuth: 283.86 Sun: Altitude: -20.83 Azimuth: 181.21 Moon: Altitude: 27.52 Azimuth: 26.37 VostryakovoObject: Altitude: -26.02 Azimuth: 266.73 Sun: Altitude: -20.31 Azimuth: 158.51 Moon: Altitude: 32.04 Azimuth: 1.76 Gal. latitude: -21.561227 Gal. longitude: 21.634913 Dist. to Sun: 96.388579 Dist. to Moon: 107.426200 Moon coord.: (187.627185 d, -2.562252 d) Sun coord.: (29.693210 d, 12.125566 d) Lunar disk: 0.957500 Lunar phase: 23.794285 Lunar bright limb: 294.752248 No SN in this field |
2024-04-21 21:03:42 (JD 2460422.377569) Siderial time 13.597859 h Ra 19:48:26.40 Dec -19:22:48.00 Rise 2024-04-23 02:11:26 Transit 2024-04-22 06:15:15 Set 2024-04-22 10:15:07 AmurObject: Altitude: 20.24 Azimuth: 356.70 Sun: Altitude: 5.61 Azimuth: 257.72 Moon: Altitude: -12.17 Azimuth: 100.47 TunkaObject: Altitude: 14.81 Azimuth: 333.03 Sun: Altitude: -8.04 Azimuth: 238.47 Moon: Altitude: 3.12 Azimuth: 81.46 KislovodskObject: Altitude: -12.03 Azimuth: 285.40 Sun: Altitude: -34.11 Azimuth: 178.99 Moon: Altitude: 39.85 Azimuth: 27.52 TavridaObject: Altitude: -18.19 Azimuth: 279.56 Sun: Altitude: -32.50 Azimuth: 169.13 Moon: Altitude: 41.22 Azimuth: 16.43 SAAOObject: Altitude: -5.40 Azimuth: 297.04 Sun: Altitude: -61.05 Azimuth: 50.82 Moon: Altitude: 60.41 Azimuth: 181.83 IACObject: Altitude: -58.87 Azimuth: 260.64 Sun: Altitude: -19.40 Azimuth: 116.28 Moon: Altitude: 41.89 Azimuth: 303.88 ArgentinaObject: Altitude: -35.32 Azimuth: 23.39 Sun: Altitude: 12.12 Azimuth: 112.72 Moon: Altitude: 0.59 Azimuth: 272.93 MexicoObject: Altitude: -34.14 Azimuth: 86.57 Sun: Altitude: 59.29 Azimuth: 57.79 Moon: Altitude: -36.79 Azimuth: 247.72 UralObject: Altitude: -6.50 Azimuth: 295.99 Sun: Altitude: -19.54 Azimuth: 196.78 Moon: Altitude: 22.85 Azimuth: 41.66 VostryakovoObject: Altitude: -17.50 Azimuth: 278.96 Sun: Altitude: -22.32 Azimuth: 174.11 Moon: Altitude: 30.33 Azimuth: 18.71 Gal. latitude: -21.561227 Gal. longitude: 21.634913 Dist. to Sun: 96.429186 Dist. to Moon: 106.932557 Moon coord.: (188.065181 d, -2.799236 d) Sun coord.: (29.732203 d, 12.139608 d) Lunar disk: 0.959086 Lunar phase: 23.339706 Lunar bright limb: 294.654814 No SN in this field |
2025-04-30 20:26:16 (JD 2460796.351574) Siderial time 13.547736 h Ra 19:48:26.40 Dec -19:22:48.00 Rise 2025-05-02 01:36:60 Transit 2025-05-01 05:40:49 Set 2025-05-01 09:40:41 AmurObject: Altitude: 20.21 Azimuth: 355.95 Sun: Altitude: 2.29 Azimuth: 249.15 Moon: Altitude: -6.65 Azimuth: 207.10 TunkaObject: Altitude: 14.60 Azimuth: 332.33 Sun: Altitude: -10.12 Azimuth: 229.42 Moon: Altitude: -9.59 Azimuth: 185.83 KislovodskObject: Altitude: -12.56 Azimuth: 284.92 Sun: Altitude: -30.63 Azimuth: 168.93 Moon: Altitude: -2.56 Azimuth: 134.56 TavridaObject: Altitude: -18.72 Azimuth: 279.06 Sun: Altitude: -28.04 Azimuth: 159.84 Moon: Altitude: 2.65 Azimuth: 128.63 SAAOObject: Altitude: -5.96 Azimuth: 297.47 Sun: Altitude: -56.44 Azimuth: 66.19 Moon: Altitude: -25.97 Azimuth: 108.51 IACObject: Altitude: -59.53 Azimuth: 260.10 Sun: Altitude: -10.62 Azimuth: 113.51 Moon: Altitude: 31.91 Azimuth: 107.51 ArgentinaObject: Altitude: -35.06 Azimuth: 24.20 Sun: Altitude: 17.19 Azimuth: 120.63 Moon: Altitude: 28.32 Azimuth: 165.87 MexicoObject: Altitude: -33.49 Azimuth: 86.21 Sun: Altitude: 67.45 Azimuth: 48.31 Moon: Altitude: 66.53 Azimuth: 269.60 UralObject: Altitude: -6.87 Azimuth: 295.38 Sun: Altitude: -17.78 Azimuth: 187.28 Moon: Altitude: 0.95 Azimuth: 148.04 VostryakovoObject: Altitude: -17.92 Azimuth: 278.36 Sun: Altitude: -18.61 Azimuth: 165.15 Moon: Altitude: 7.58 Azimuth: 130.67 Gal. latitude: -21.561227 Gal. longitude: 21.634913 Dist. to Sun: 104.907955 Dist. to Moon: 146.900969 Moon coord.: (82.128597 d, 28.393469 d) Sun coord.: (37.969314 d, 14.940576 d) Lunar disk: 0.134332 Lunar phase: 136.998495 Lunar bright limb: 261.364493 No SN in this field |
####################################################################################### ####################################################################################### ID = 10009 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 240421B ( C. Fletcher (USRA) and C. Meegan (UAH) report on behalf of et al., GCN 36218) errorbox 19143 sec after notice time and 56392 sec after trigger time at 2024-04-22 01:22:34 UT, with upper limit up to 18.2 mag. The observations began at zenith distance = 40 deg. The sun altitude is -47.2 deg. MASTER-Tavrida robotic telescope located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 240421B errorbox 19358 sec after notice time and 56607 sec after trigger time at 2024-04-22 01:26:08 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 67 deg. The sun altitude is -14.1 deg. The galactic latitude b = -22 deg., longitude l = 22 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2430649 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 56422 | 2024-04-22 01:22:34 | MASTER-SAAO | (19h 36m 24.14s , -19d 59m 17.3s) | C | 60 | 12.8 | 56503 | 2024-04-22 01:23:54 | MASTER-SAAO | (19h 39m 16.50s , -18d 05m 20.4s) | C | 60 | 12.9 | 56637 | 2024-04-22 01:26:08 | MASTER-Tavrida | (19h 37m 21.45s , -18d 16m 09.9s) | C | 60 | 16.4 | 56785 | 2024-04-22 01:28:36 | MASTER-Tavrida | (19h 53m 26.05s , -18d 16m 57.8s) | C | 60 | 14.1 | 56858 | 2024-04-22 01:29:50 | MASTER-Tavrida | (19h 49m 21.85s , -22d 05m 18.0s) | C | 60 | 14.2 | 57563 | 2024-04-22 01:41:35 | MASTER-Tavrida | (19h 50m 44.40s , -20d 11m 20.7s) | C | 60 | 15.8 | 57636 | 2024-04-22 01:42:47 | MASTER-Tavrida | (19h 59m 17.11s , -20d 10m 02.0s) | C | 60 | 16.6 | 57709 | 2024-04-22 01:44:00 | MASTER-Tavrida | (19h 37m 21.08s , -18d 16m 19.0s) | C | 60 | 17.1 | 57782 | 2024-04-22 01:45:13 | MASTER-Tavrida | (19h 45m 45.17s , -18d 15m 26.6s) | C | 60 | 17.0 | 57926 | 2024-04-22 01:47:38 | MASTER-Tavrida | (19h 43m 02.18s , -20d 11m 33.0s) | C | 60 | 16.8 | 57999 | 2024-04-22 01:48:50 | MASTER-Tavrida | (19h 53m 25.96s , -18d 17m 25.9s) | C | 60 | 16.7 | 58144 | 2024-04-22 01:51:16 | MASTER-Tavrida | (19h 49m 20.84s , -22d 05m 40.1s) | C | 60 | 14.5 | 138826 | 2024-04-23 00:15:58 | MASTER-SAAO | (19h 55m 17.16s , -18d 03m 52.1s) | C | 60 | 18.2 | 138826 | 2024-04-23 00:15:58 | MASTER-SAAO | (19h 53m 20.41s , -17d 50m 49.2s) | C | 60 | 18.1 | 139145 | 2024-04-23 00:21:17 | MASTER-SAAO | (19h 39m 20.27s , -18d 03m 27.2s) | C | 60 | 17.9 | 139464 | 2024-04-23 00:26:35 | MASTER-SAAO | (19h 55m 16.07s , -18d 03m 47.6s) | C | 60 | 17.4 | 139464 | 2024-04-23 00:26:35 | MASTER-SAAO | (19h 53m 19.46s , -17d 50m 47.2s) | C | 60 | 17.3 | 144055 | 2024-04-23 01:43:07 | MASTER-Tavrida | (19h 37m 26.73s , -18d 16m 55.4s) | C | 60 | 16.8 | 144131 | 2024-04-23 01:44:22 | MASTER-Tavrida | (19h 53m 21.96s , -18d 17m 24.9s) | C | 60 | 16.6 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 9999 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 240421B ( C. Fletcher (USRA) and C. Meegan (UAH) report on behalf of et al., GCN 36218) errorbox 19143 sec after notice time and 56392 sec after trigger time at 2024-04-22 01:22:34 UT, with upper limit up to 12.9 mag. The observations began at zenith distance = 40 deg. The sun altitude is -47.2 deg. MASTER-Tavrida robotic telescope located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 240421B errorbox 19358 sec after notice time and 56607 sec after trigger time at 2024-04-22 01:26:08 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 67 deg. The sun altitude is -14.1 deg. The galactic latitude b = -22 deg., longitude l = 22 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2430649 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 56422 | 2024-04-22 01:22:34 | MASTER-SAAO | (19h 36m 24.14s , -19d 59m 17.3s) | C | 60 | 12.8 | 56503 | 2024-04-22 01:23:54 | MASTER-SAAO | (19h 39m 16.50s , -18d 05m 20.4s) | C | 60 | 12.9 | 56637 | 2024-04-22 01:26:08 | MASTER-Tavrida | (19h 37m 21.45s , -18d 16m 09.9s) | C | 60 | 16.4 | 56785 | 2024-04-22 01:28:36 | MASTER-Tavrida | (19h 53m 26.05s , -18d 16m 57.8s) | C | 60 | 14.1 | 56858 | 2024-04-22 01:29:50 | MASTER-Tavrida | (19h 49m 21.85s , -22d 05m 18.0s) | C | 60 | 14.2 | 57563 | 2024-04-22 01:41:35 | MASTER-Tavrida | (19h 50m 44.40s , -20d 11m 20.7s) | C | 60 | 15.8 | 57636 | 2024-04-22 01:42:47 | MASTER-Tavrida | (19h 59m 17.11s , -20d 10m 02.0s) | C | 60 | 16.6 | 57709 | 2024-04-22 01:44:00 | MASTER-Tavrida | (19h 37m 21.08s , -18d 16m 19.0s) | C | 60 | 17.1 | 57782 | 2024-04-22 01:45:13 | MASTER-Tavrida | (19h 45m 45.17s , -18d 15m 26.6s) | C | 60 | 17.0 | 57926 | 2024-04-22 01:47:38 | MASTER-Tavrida | (19h 43m 02.18s , -20d 11m 33.0s) | C | 60 | 16.8 | 57999 | 2024-04-22 01:48:50 | MASTER-Tavrida | (19h 53m 25.96s , -18d 17m 25.9s) | C | 60 | 16.7 | 58144 | 2024-04-22 01:51:16 | MASTER-Tavrida | (19h 49m 20.84s , -22d 05m 40.1s) | C | 60 | 14.5 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 9992 TYPE = 35 DAYS = 0 MASTER-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 240421B ( C. Fletcher (USRA) and C. Meegan (UAH) report on behalf of et al., GCN 36218) errorbox 19358 sec after notice time and 56607 sec after trigger time at 2024-04-22 01:26:08 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 67 deg. The sun altitude is -14.1 deg. The galactic latitude b = -22 deg., longitude l = 22 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2430649 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 56637 | 2024-04-22 01:26:08 | MASTER-Tavrida | (19h 37m 21.45s , -18d 16m 09.9s) | C | 60 | 16.4 | 56785 | 2024-04-22 01:28:36 | MASTER-Tavrida | (19h 53m 26.05s , -18d 16m 57.8s) | C | 60 | 14.1 | 56858 | 2024-04-22 01:29:50 | MASTER-Tavrida | (19h 49m 21.85s , -22d 05m 18.0s) | C | 60 | 14.2 | 57563 | 2024-04-22 01:41:35 | MASTER-Tavrida | (19h 50m 44.40s , -20d 11m 20.7s) | C | 60 | 15.8 | 57636 | 2024-04-22 01:42:47 | MASTER-Tavrida | (19h 59m 17.11s , -20d 10m 02.0s) | C | 60 | 16.6 | 57709 | 2024-04-22 01:44:00 | MASTER-Tavrida | (19h 37m 21.08s , -18d 16m 19.0s) | C | 60 | 17.1 | 57782 | 2024-04-22 01:45:13 | MASTER-Tavrida | (19h 45m 45.17s , -18d 15m 26.6s) | C | 60 | 17.0 | 57926 | 2024-04-22 01:47:38 | MASTER-Tavrida | (19h 43m 02.18s , -20d 11m 33.0s) | C | 60 | 16.8 | 57999 | 2024-04-22 01:48:50 | MASTER-Tavrida | (19h 53m 25.96s , -18d 17m 25.9s) | C | 60 | 16.7 | 58144 | 2024-04-22 01:51:16 | MASTER-Tavrida | (19h 49m 20.84s , -22d 05m 40.1s) | C | 60 | 14.5 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 9991 TYPE = 35 DAYS = 0 MASTER-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 240421B ( C. Fletcher (USRA) and C. Meegan (UAH) report on behalf of et al., GCN 36218) errorbox 19358 sec after notice time and 56607 sec after trigger time at 2024-04-22 01:26:08 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 67 deg. The sun altitude is -14.1 deg. The galactic latitude b = -22 deg., longitude l = 22 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2430649 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 56637 | 2024-04-22 01:26:08 | MASTER-Tavrida | (19h 37m 21.45s , -18d 16m 09.9s) | C | 60 | 16.4 | 56785 | 2024-04-22 01:28:36 | MASTER-Tavrida | (19h 53m 26.05s , -18d 16m 57.8s) | C | 60 | 14.1 | 56858 | 2024-04-22 01:29:50 | MASTER-Tavrida | (19h 49m 21.85s , -22d 05m 18.0s) | C | 60 | 14.2 | 57563 | 2024-04-22 01:41:35 | MASTER-Tavrida | (19h 50m 44.40s , -20d 11m 20.7s) | C | 60 | 15.8 | 57636 | 2024-04-22 01:42:47 | MASTER-Tavrida | (19h 59m 17.11s , -20d 10m 02.0s) | C | 60 | 16.6 | 57709 | 2024-04-22 01:44:00 | MASTER-Tavrida | (19h 37m 21.08s , -18d 16m 19.0s) | C | 60 | 17.1 | 57782 | 2024-04-22 01:45:13 | MASTER-Tavrida | (19h 45m 45.17s , -18d 15m 26.6s) | C | 60 | 17.0 | 57926 | 2024-04-22 01:47:38 | MASTER-Tavrida | (19h 43m 02.18s , -20d 11m 33.0s) | C | 60 | 16.8 | 57999 | 2024-04-22 01:48:50 | MASTER-Tavrida | (19h 53m 25.96s , -18d 17m 25.9s) | C | 60 | 16.7 | 58144 | 2024-04-22 01:51:16 | MASTER-Tavrida | (19h 49m 20.84s , -22d 05m 40.1s) | C | 60 | 14.5 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 9990 TYPE = 34 DAYS = 0 MASTER-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the FERMI GRB 240421B ( C. Fletcher (USRA) and C. Meegan (UAH) report on behalf of et al., GCN 36218) errorbox 19358 sec after notice time and 56607 sec after trigger time at 2024-04-22 01:26:08 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 67 deg. The sun altitude is -14.1 deg. The galactic latitude b = -22 deg., longitude l = 22 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2430649 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 56637 | 2024-04-22 01:26:08 | MASTER-Tavrida | (19h 37m 21.45s , -18d 16m 09.9s) | C | 60 | 16.4 | 56785 | 2024-04-22 01:28:36 | MASTER-Tavrida | (19h 53m 26.05s , -18d 16m 57.8s) | C | 60 | 14.1 | 56858 | 2024-04-22 01:29:50 | MASTER-Tavrida | (19h 49m 21.85s , -22d 05m 18.0s) | C | 60 | 14.2 | 57563 | 2024-04-22 01:41:35 | MASTER-Tavrida | (19h 50m 44.40s , -20d 11m 20.7s) | C | 60 | 15.8 | 57636 | 2024-04-22 01:42:47 | MASTER-Tavrida | (19h 59m 17.11s , -20d 10m 02.0s) | C | 60 | 16.6 | 57709 | 2024-04-22 01:44:00 | MASTER-Tavrida | (19h 37m 21.08s , -18d 16m 19.0s) | C | 60 | 17.1 | 57782 | 2024-04-22 01:45:13 | MASTER-Tavrida | (19h 45m 45.17s , -18d 15m 26.6s) | C | 60 | 17.0 | 57926 | 2024-04-22 01:47:38 | MASTER-Tavrida | (19h 43m 02.18s , -20d 11m 33.0s) | C | 60 | 16.8 | 57999 | 2024-04-22 01:48:50 | MASTER-Tavrida | (19h 53m 25.96s , -18d 17m 25.9s) | C | 60 | 16.7 | 58144 | 2024-04-22 01:51:16 | MASTER-Tavrida | (19h 49m 20.84s , -22d 05m 40.1s) | C | 60 | 14.5 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.
MASTER, 2002-2025