MASTER Net MASTER Database: GRB210801.58 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 observatories and transients from them in error-field |
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All alerts for this trigger
id noticetime coord2000 satel errorbox type trigger seq trig_type links
2465952
2024-05-22 11:01:50.188344
15h 52m 48.00s -40d 48m 00.0s
GFERMI
2.5
retraction
649519043
1
4044
retraction
1677931
2021-08-01 18:16:37.989399
15h 52m 48.00s -40d 48m 00.0s
GFERMI
2.5
alert
649519043
1
2001
alert
1677972
2021-08-01 19:02:34.213767
16h 50m 55.20s -45d 47m 59.6s
FERMI
1.59
alert
649519043
17
115
alert
1677767
2021-08-01 13:59:00.892054
16h 51m 31.20s -44d 54m 00.0s
FERMI
1.25
alert
649519043
23
112
alert
1677754
2021-08-01 13:58:25.278225
16h 16m 04.08s -45d 52m 58.8s
FERMI
4
alert
649519043
16
111
alert
MASTER optical transients in this field
Will be published in GCN, ATEL
Distance | datetime | coord2000 | observatory | camera | links |
trigger | notice | notice+1hr | now |
2021-08-01 13:57:18 (JD 2459428.081458) Siderial time 13.156169 h Ra 16:51:04.80 Dec -45:49:12.00 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -10.66 Azimuth: 23.64 Sun: Altitude: -18.41 Azimuth: 155.46 Moon: Altitude: -5.83 Azimuth: 235.57 TunkaObject: Altitude: -8.01 Azimuth: 7.03 Sun: Altitude: -8.31 Azimuth: 133.59 Moon: Altitude: -15.61 Azimuth: 214.21 KislovodskObject: Altitude: -10.13 Azimuth: 326.88 Sun: Altitude: 26.21 Azimuth: 90.24 Moon: Altitude: -25.33 Azimuth: 152.05 TavridaObject: Altitude: -14.47 Azimuth: 321.89 Sun: Altitude: 32.24 Azimuth: 83.57 Moon: Altitude: -21.27 Azimuth: 144.10 SAAOObject: Altitude: 34.31 Azimuth: 306.54 Sun: Altitude: 21.32 Azimuth: 129.73 Moon: Altitude: -43.93 Azimuth: 81.44 IACObject: Altitude: -33.05 Azimuth: 308.42 Sun: Altitude: 75.19 Azimuth: 48.13 Moon: Altitude: 3.61 Azimuth: 106.61 ArgentinaObject: Altitude: -10.75 Azimuth: 347.60 Sun: Altitude: 26.44 Azimuth: 224.50 Moon: Altitude: 27.29 Azimuth: 133.79 MexicoObject: Altitude: -66.60 Azimuth: 44.24 Sun: Altitude: 15.53 Azimuth: 258.11 Moon: Altitude: 75.24 Azimuth: 3.37 UralObject: Altitude: -16.59 Azimuth: 336.33 Sun: Altitude: 16.28 Azimuth: 98.03 Moon: Altitude: -16.24 Azimuth: 170.82 VostryakovoObject: Altitude: -21.37 Azimuth: 322.06 Sun: Altitude: 28.34 Azimuth: 80.51 Moon: Altitude: -13.68 Azimuth: 149.51 Gal. latitude: -1.463723 Gal. longitude: 340.364359 Dist. to Sun: 124.291858 Dist. to Moon: 144.191496 Moon coord.: (48.444999 d, 16.319772 d) Sun coord.: (131.674600 d, 17.947870 d) Lunar disk: 0.404245 Lunar phase: 101.040883 Lunar bright limb: 74.352790 No SN in this field |
2021-08-01 14:07:14 (JD 2459428.088356) Siderial time 13.322178 h Ra 16:51:04.80 Dec -45:49:12.00 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -11.31 Azimuth: 25.28 Sun: Altitude: -19.04 Azimuth: 157.87 Moon: Altitude: -4.52 Azimuth: 237.49 TunkaObject: Altitude: -8.22 Azimuth: 8.77 Sun: Altitude: -9.41 Azimuth: 135.71 Moon: Altitude: -14.72 Azimuth: 216.42 KislovodskObject: Altitude: -9.16 Azimuth: 328.34 Sun: Altitude: 24.42 Azimuth: 91.94 Moon: Altitude: -26.08 Azimuth: 154.47 TavridaObject: Altitude: -13.40 Azimuth: 323.30 Sun: Altitude: 30.48 Azimuth: 85.42 Moon: Altitude: -22.22 Azimuth: 146.37 SAAOObject: Altitude: 36.00 Azimuth: 306.08 Sun: Altitude: 19.68 Azimuth: 127.91 Moon: Altitude: -45.95 Azimuth: 79.85 IACObject: Altitude: -31.34 Azimuth: 308.74 Sun: Altitude: 73.49 Azimuth: 54.20 Moon: Altitude: 1.60 Azimuth: 107.75 ArgentinaObject: Altitude: -10.27 Azimuth: 345.90 Sun: Altitude: 27.89 Azimuth: 222.41 Moon: Altitude: 25.77 Azimuth: 131.84 MexicoObject: Altitude: -68.05 Azimuth: 41.79 Sun: Altitude: 17.61 Azimuth: 259.27 Moon: Altitude: 74.99 Azimuth: 12.33 UralObject: Altitude: -16.06 Azimuth: 338.06 Sun: Altitude: 14.94 Azimuth: 100.06 Moon: Altitude: -16.40 Azimuth: 173.23 VostryakovoObject: Altitude: -20.52 Azimuth: 323.68 Sun: Altitude: 26.94 Azimuth: 82.66 Moon: Altitude: -14.33 Azimuth: 151.80 Gal. latitude: -1.463723 Gal. longitude: 340.364359 Dist. to Sun: 124.286055 Dist. to Moon: 144.253665 Moon coord.: (48.524971 d, 16.347933 d) Sun coord.: (131.681288 d, 17.946125 d) Lunar disk: 0.403603 Lunar phase: 101.115851 Lunar bright limb: 74.376685 No SN in this field |
2021-08-01 15:07:14 (JD 2459428.130023) Siderial time 14.324916 h Ra 16:51:04.80 Dec -45:49:12.00 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -16.13 Azimuth: 34.85 Sun: Altitude: -21.47 Azimuth: 172.86 Moon: Altitude: 3.89 Azimuth: 248.64 TunkaObject: Altitude: -10.46 Azimuth: 19.14 Sun: Altitude: -15.07 Azimuth: 149.11 Moon: Altitude: -8.46 Azimuth: 229.16 KislovodskObject: Altitude: -4.22 Azimuth: 337.63 Sun: Altitude: 13.66 Azimuth: 101.89 Moon: Altitude: -29.15 Azimuth: 169.86 TavridaObject: Altitude: -7.69 Azimuth: 332.23 Sun: Altitude: 19.83 Azimuth: 95.94 Moon: Altitude: -26.66 Azimuth: 160.93 SAAOObject: Altitude: 46.40 Azimuth: 304.44 Sun: Altitude: 9.06 Azimuth: 118.06 Moon: Altitude: -57.85 Azimuth: 67.89 IACObject: Altitude: -21.20 Azimuth: 311.66 Sun: Altitude: 61.46 Azimuth: 75.05 Moon: Altitude: -10.24 Azimuth: 115.18 ArgentinaObject: Altitude: -6.10 Azimuth: 336.20 Sun: Altitude: 35.28 Azimuth: 208.05 Moon: Altitude: 15.71 Azimuth: 121.46 MexicoObject: Altitude: -74.54 Azimuth: 15.58 Sun: Altitude: 30.35 Azimuth: 266.33 Moon: Altitude: 68.19 Azimuth: 52.32 UralObject: Altitude: -13.72 Azimuth: 348.61 Sun: Altitude: 7.11 Azimuth: 112.21 Moon: Altitude: -16.16 Azimuth: 187.77 VostryakovoObject: Altitude: -16.08 Azimuth: 333.67 Sun: Altitude: 18.43 Azimuth: 95.09 Moon: Altitude: -17.14 Azimuth: 166.01 Gal. latitude: -1.463723 Gal. longitude: 340.364359 Dist. to Sun: 124.251001 Dist. to Moon: 144.627686 Moon coord.: (49.008474 d, 16.517377 d) Sun coord.: (131.721684 d, 17.935578 d) Lunar disk: 0.399729 Lunar phase: 101.568639 Lunar bright limb: 74.522124 No SN in this field |
2024-12-23 13:35:33 (JD 2460668.066354) Siderial time 22.272859 h Ra 16:51:04.80 Dec -45:49:12.00 Rise n/a Transit n/a Set n/a AmurObject: Altitude: -82.60 Azimuth: 124.03 Sun: Altitude: -55.38 Azimuth: 130.51 Moon: Altitude: -24.12 Azimuth: 245.23 TunkaObject: Altitude: -67.53 Azimuth: 92.22 Sun: Altitude: -41.14 Azimuth: 104.86 Moon: Altitude: -35.43 Azimuth: 220.12 KislovodskObject: Altitude: -27.57 Azimuth: 51.67 Sun: Altitude: -0.89 Azimuth: 57.61 Moon: Altitude: -42.86 Azimuth: 139.06 TavridaObject: Altitude: -23.54 Azimuth: 47.97 Sun: Altitude: 3.51 Azimuth: 51.57 Moon: Altitude: -37.83 Azimuth: 130.08 SAAOObject: Altitude: 39.59 Azimuth: 54.72 Sun: Altitude: 49.34 Azimuth: 90.89 Moon: Altitude: -29.88 Azimuth: 62.59 IACObject: Altitude: 11.88 Azimuth: 18.99 Sun: Altitude: 37.71 Azimuth: 9.20 Moon: Altitude: -3.83 Azimuth: 87.48 ArgentinaObject: Altitude: 65.78 Azimuth: 312.72 Sun: Altitude: 49.64 Azimuth: 269.60 Moon: Altitude: 43.83 Azimuth: 118.72 MexicoObject: Altitude: -7.68 Azimuth: 319.78 Sun: Altitude: -8.61 Azimuth: 292.23 Moon: Altitude: 54.88 Azimuth: 357.06 UralObject: Altitude: -43.52 Azimuth: 69.31 Sun: Altitude: -16.34 Azimuth: 71.96 Moon: Altitude: -36.18 Azimuth: 165.40 VostryakovoObject: Altitude: -32.12 Azimuth: 54.48 Sun: Altitude: -4.85 Azimuth: 54.57 Moon: Altitude: -32.03 Azimuth: 139.50 Gal. latitude: -1.463723 Gal. longitude: 340.364359 Dist. to Sun: 27.276412 Dist. to Moon: 69.858195 Moon coord.: (187.782634 d, -4.030371 d) Sun coord.: (272.041509 d, -23.433614 d) Lunar disk: 0.441559 Lunar phase: 96.712224 Lunar bright limb: 113.148514 No SN in this field |
####################################################################################### ####################################################################################### ID = 4734 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 210801A ( O.J.Roberts et al., GCN 30585) errorbox 9997 sec after notice time and 10005 sec after trigger time at 2021-08-01 16:44:04 UT, with upper limit up to 19.0 mag. Observations started at twilight. The observations began at zenith distance = 27 deg. The sun altitude is -9.2 deg. The galactic latitude b = -1 deg., longitude l = 341 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1677761 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 10036 | 2021-08-01 16:44:04 | MASTER-SAAO | (16h 45m 32.58s , -46d 23m 06.5s) | C | 60 | 16.5 | 10115 | 2021-08-01 16:45:24 | MASTER-SAAO | (16h 57m 02.64s , -46d 24m 34.4s) | C | 60 | 17.2 | 10195 | 2021-08-01 16:46:43 | MASTER-SAAO | (16h 54m 49.52s , -44d 28m 37.9s) | C | 60 | 17.4 | 10275 | 2021-08-01 16:48:03 | MASTER-SAAO | (17h 06m 02.19s , -44d 30m 32.8s) | C | 60 | 17.4 | 10355 | 2021-08-01 16:49:23 | MASTER-SAAO | (16h 33m 29.31s , -44d 28m 35.8s) | C | 60 | 17.5 | 10435 | 2021-08-01 16:50:43 | MASTER-SAAO | (16h 44m 41.94s , -44d 28m 02.3s) | C | 60 | 17.6 | 10877 | 2021-08-01 16:58:05 | MASTER-SAAO | (16h 44m 03.48s , -42d 34m 25.2s) | C | 60 | 17.9 | 10957 | 2021-08-01 16:59:25 | MASTER-SAAO | (16h 54m 48.86s , -42d 35m 21.9s) | C | 60 | 18.6 | 11036 | 2021-08-01 17:00:44 | MASTER-SAAO | (16h 45m 25.45s , -46d 21m 51.8s) | C | 60 | 17.8 | 11127 | 2021-08-01 17:02:15 | MASTER-SAAO | (16h 57m 06.68s , -46d 23m 20.8s) | C | 60 | 18.5 | 11206 | 2021-08-01 17:03:34 | MASTER-SAAO | (16h 54m 44.85s , -44d 30m 16.7s) | C | 60 | 18.4 | 11286 | 2021-08-01 17:04:54 | MASTER-SAAO | (17h 06m 03.49s , -44d 30m 18.9s) | C | 60 | 18.9 | 11365 | 2021-08-01 17:06:14 | MASTER-SAAO | (16h 33m 31.02s , -44d 27m 23.3s) | C | 60 | 18.7 | 11445 | 2021-08-01 17:07:33 | MASTER-SAAO | (16h 44m 43.03s , -44d 29m 24.5s) | C | 60 | 18.1 | 12044 | 2021-08-01 17:17:32 | MASTER-SAAO | (16h 43m 58.68s , -42d 33m 41.2s) | C | 60 | 18.2 | 12129 | 2021-08-01 17:18:57 | MASTER-SAAO | (16h 54m 49.79s , -42d 36m 03.5s) | C | 60 | 18.2 | 12209 | 2021-08-01 17:20:17 | MASTER-SAAO | (16h 45m 29.34s , -46d 21m 54.3s) | C | 60 | 17.5 | 12289 | 2021-08-01 17:21:37 | MASTER-SAAO | (16h 56m 59.42s , -46d 23m 04.9s) | C | 60 | 18.4 | 12368 | 2021-08-01 17:22:56 | MASTER-SAAO | (16h 54m 42.82s , -44d 28m 01.1s) | C | 60 | 18.1 | 12448 | 2021-08-01 17:24:16 | MASTER-SAAO | (17h 06m 01.50s , -44d 29m 28.8s) | C | 60 | 18.5 | 12528 | 2021-08-01 17:25:36 | MASTER-SAAO | (16h 33m 27.29s , -44d 29m 04.4s) | C | 60 | 18.7 | 12607 | 2021-08-01 17:26:55 | MASTER-SAAO | (16h 44m 44.58s , -44d 29m 04.9s) | C | 60 | 18.3 | 13210 | 2021-08-01 17:36:58 | MASTER-SAAO | (16h 44m 01.21s , -42d 34m 26.1s) | C | 60 | 18.5 | 13290 | 2021-08-01 17:38:18 | MASTER-SAAO | (16h 54m 45.38s , -42d 35m 52.9s) | C | 60 | 19.0 | 13449 | 2021-08-01 17:40:57 | MASTER-SAAO | (16h 34m 59.81s , -46d 22m 31.4s) | C | 60 | 18.4 | 13822 | 2021-08-01 17:47:10 | MASTER-SAAO | (17h 07m 28.02s , -46d 23m 12.7s) | C | 60 | 18.7 | 14460 | 2021-08-01 17:57:48 | MASTER-SAAO | (16h 35m 01.65s , -46d 22m 18.2s) | C | 60 | 18.2 | 14940 | 2021-08-01 18:05:48 | MASTER-SAAO | (17h 07m 21.35s , -46d 21m 57.3s) | C | 60 | 18.4 | 16698 | 2021-08-01 18:35:06 | MASTER-SAAO | (17h 07m 17.92s , -46d 22m 30.0s) | C | 60 | 19.0 | 18314 | 2021-08-01 19:01:02 | MASTER-SAAO | (16h 48m 43.04s , -45d 51m 03.3s) | C | 180 | 17.6 | 18514 | 2021-08-01 19:04:22 | MASTER-SAAO | (16h 48m 37.33s , -45d 51m 60.0s) | C | 180 | 17.3 | 18719 | 2021-08-01 19:07:47 | MASTER-SAAO | (16h 48m 45.19s , -45d 51m 30.9s) | C | 180 | 17.6 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4729 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 210801.58 (trigger No 649519043,15h 52m 48.00s , -40d 48m 00.0s, R=2.5) errorbox 29 sec after notice time and 15576 sec after trigger time at 2021-08-01 18:16:54 UT, with upper limit up to 19.1 mag. The observations began at zenith distance = 10 deg. The sun altitude is -28.5 deg. MASTER-IAC robotic telescope located in Spain (IAC Teide Observatory) started inspect of the GFERMI Alert 210801.58 errorbox 8597 sec after notice time and 24144 sec after trigger time at 2021-08-01 20:39:42 UT, with upper limit up to 17.9 mag. Observations started at twilight. The observations began at zenith distance = 69 deg. The sun altitude is -10.3 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) started inspect of the GFERMI Alert 210801.58 errorbox 17273 sec after notice time and 32820 sec after trigger time at 2021-08-01 23:04:18 UT, with upper limit up to 18.5 mag. Observations started at twilight. The observations began at zenith distance = 13 deg. The sun altitude is -13.9 deg. The galactic latitude b = 10 deg., longitude l = 336 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1677931 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 15667 | 2021-08-01 18:16:54 | MASTER-SAAO | (15h 50m 57.47s , -40d 49m 07.1s) | C | 180 | 16.8 | 15866 | 2021-08-01 18:20:14 | MASTER-SAAO | (15h 50m 53.36s , -40d 50m 02.0s) | C | 180 | 16.7 | 16066 | 2021-08-01 18:23:33 | MASTER-SAAO | (15h 51m 00.20s , -40d 49m 28.0s) | C | 180 | 17.4 | 16265 | 2021-08-01 18:26:53 | MASTER-SAAO | (15h 50m 57.82s , -40d 48m 18.0s) | C | 180 | 17.4 | 17273 | 2021-08-01 18:44:41 | MASTER-SAAO | (15h 53m 48.46s , -40d 36m 41.9s) | C | 60 | 18.2 | 17353 | 2021-08-01 18:46:00 | MASTER-SAAO | (16h 04m 17.79s , -40d 36m 11.0s) | C | 60 | 18.0 | 17432 | 2021-08-01 18:47:20 | MASTER-SAAO | (15h 41m 05.99s , -42d 30m 58.0s) | C | 60 | 18.5 | 17512 | 2021-08-01 18:48:40 | MASTER-SAAO | (15h 51m 59.47s , -42d 31m 19.8s) | C | 60 | 18.3 | 17681 | 2021-08-01 18:51:28 | MASTER-SAAO | (15h 47m 38.94s , -38d 41m 18.1s) | C | 60 | 18.5 | 17760 | 2021-08-01 18:52:48 | MASTER-SAAO | (15h 57m 44.56s , -38d 42m 34.1s) | C | 60 | 18.2 | 17840 | 2021-08-01 18:54:08 | MASTER-SAAO | (15h 34m 05.07s , -40d 35m 19.3s) | C | 60 | 18.1 | 17920 | 2021-08-01 18:55:28 | MASTER-SAAO | (15h 44m 28.07s , -40d 36m 49.6s) | C | 60 | 18.3 | 18000 | 2021-08-01 18:56:47 | MASTER-SAAO | (16h 01m 41.47s , -42d 29m 46.8s) | C | 60 | 17.6 | 18079 | 2021-08-01 18:58:07 | MASTER-SAAO | (16h 12m 28.92s , -42d 31m 53.7s) | C | 60 | 17.0 | 19725 | 2021-08-01 19:25:33 | MASTER-SAAO | (15h 54m 07.08s , -40d 35m 38.5s) | C | 60 | 17.8 | 19805 | 2021-08-01 19:26:53 | MASTER-SAAO | (16h 04m 29.88s , -40d 37m 07.3s) | C | 60 | 17.9 | 19885 | 2021-08-01 19:28:12 | MASTER-SAAO | (15h 41m 23.53s , -42d 29m 33.4s) | C | 60 | 18.0 | 19964 | 2021-08-01 19:29:32 | MASTER-SAAO | (15h 52m 08.18s , -42d 28m 23.2s) | C | 60 | 17.8 | 20044 | 2021-08-01 19:30:52 | MASTER-SAAO | (15h 47m 45.92s , -38d 41m 46.8s) | C | 60 | 17.6 | 20124 | 2021-08-01 19:32:11 | MASTER-SAAO | (15h 58m 00.46s , -38d 40m 43.7s) | C | 60 | 17.8 | 20204 | 2021-08-01 19:33:31 | MASTER-SAAO | (15h 34m 07.90s , -40d 34m 04.9s) | C | 60 | 18.2 | 20283 | 2021-08-01 19:34:51 | MASTER-SAAO | (15h 44m 36.53s , -40d 33m 37.6s) | C | 60 | 18.2 | 20363 | 2021-08-01 19:36:10 | MASTER-SAAO | (16h 01m 56.04s , -42d 29m 35.6s) | C | 60 | 17.7 | 20442 | 2021-08-01 19:37:30 | MASTER-SAAO | (16h 12m 38.33s , -42d 31m 09.6s) | C | 60 | 17.7 | 20522 | 2021-08-01 19:38:50 | MASTER-SAAO | (15h 50m 07.71s , -44d 23m 29.7s) | C | 60 | 17.6 | 20602 | 2021-08-01 19:40:09 | MASTER-SAAO | (16h 01m 13.28s , -44d 22m 52.2s) | C | 60 | 18.3 | 20681 | 2021-08-01 19:41:29 | MASTER-SAAO | (15h 54m 07.33s , -40d 35m 37.0s) | C | 60 | 17.8 | 20761 | 2021-08-01 19:42:48 | MASTER-SAAO | (16h 04m 40.19s , -40d 34m 33.3s) | C | 60 | 17.8 | 20841 | 2021-08-01 19:44:08 | MASTER-SAAO | (15h 41m 21.33s , -42d 28m 12.1s) | C | 60 | 18.0 | 20920 | 2021-08-01 19:45:28 | MASTER-SAAO | (15h 52m 09.92s , -42d 27m 45.4s) | C | 60 | 17.8 | 21000 | 2021-08-01 19:46:47 | MASTER-SAAO | (15h 47m 52.03s , -38d 40m 19.8s) | C | 60 | 18.2 | 21080 | 2021-08-01 19:48:07 | MASTER-SAAO | (15h 57m 59.02s , -38d 41m 52.3s) | C | 60 | 17.9 | 21160 | 2021-08-01 19:49:27 | MASTER-SAAO | (15h 34m 15.19s , -40d 34m 13.9s) | C | 60 | 18.0 | 21539 | 2021-08-01 19:55:47 | MASTER-SAAO | (15h 44m 43.67s , -40d 33m 00.6s) | C | 60 | 18.5 | 21619 | 2021-08-01 19:57:07 | MASTER-SAAO | (16h 01m 57.89s , -42d 29m 32.1s) | C | 60 | 18.2 | 21699 | 2021-08-01 19:58:26 | MASTER-SAAO | (16h 12m 48.56s , -42d 28m 50.3s) | C | 60 | 18.2 | 21778 | 2021-08-01 19:59:46 | MASTER-SAAO | (15h 50m 06.07s , -44d 22m 13.1s) | C | 60 | 18.5 | 21863 | 2021-08-01 20:01:11 | MASTER-SAAO | (16h 01m 15.71s , -44d 21m 48.4s) | C | 60 | 18.9 | 22022 | 2021-08-01 20:03:50 | MASTER-SAAO | (15h 38m 42.24s , -38d 40m 08.0s) | C | 60 | 18.9 | 22102 | 2021-08-01 20:05:10 | MASTER-SAAO | (15h 42m 49.99s , -36d 46m 20.3s) | C | 60 | 19.0 | 22182 | 2021-08-01 20:06:30 | MASTER-SAAO | (15h 52m 51.01s , -36d 45m 16.4s) | C | 60 | 19.1 | 22262 | 2021-08-01 20:07:50 | MASTER-SAAO | (16h 07m 13.43s , -38d 39m 43.0s) | C | 60 | 18.5 | 22501 | 2021-08-01 20:11:49 | MASTER-SAAO | (15h 40m 09.44s , -44d 20m 29.9s) | C | 60 | 18.5 | 22661 | 2021-08-01 20:14:28 | MASTER-SAAO | (15h 31m 40.81s , -42d 26m 27.3s) | C | 60 | 18.7 | 22741 | 2021-08-01 20:15:48 | MASTER-SAAO | (16h 01m 51.28s , -36d 46m 10.7s) | C | 60 | 19.1 | 22980 | 2021-08-01 20:19:48 | MASTER-SAAO | (15h 38m 39.45s , -38d 37m 50.2s) | C | 60 | 18.9 | 23060 | 2021-08-01 20:21:07 | MASTER-SAAO | (15h 42m 50.79s , -36d 45m 44.8s) | C | 60 | 19.0 | 23140 | 2021-08-01 20:22:27 | MASTER-SAAO | (15h 52m 51.51s , -36d 44m 43.3s) | C | 60 | 19.0 | 23219 | 2021-08-01 20:23:47 | MASTER-SAAO | (16h 07m 15.64s , -38d 40m 10.8s) | C | 60 | 18.6 | 23459 | 2021-08-01 20:27:46 | MASTER-SAAO | (15h 40m 07.69s , -44d 21m 32.1s) | C | 60 | 18.4 | 23619 | 2021-08-01 20:30:26 | MASTER-SAAO | (15h 31m 45.35s , -42d 25m 17.5s) | C | 60 | 18.7 | 23698 | 2021-08-01 20:31:46 | MASTER-SAAO | (16h 01m 48.42s , -36d 46m 18.4s) | C | 60 | 19.0 | 23938 | 2021-08-01 20:35:45 | MASTER-SAAO | (15h 38m 37.06s , -38d 37m 10.1s) | C | 60 | 18.9 | 24017 | 2021-08-01 20:37:05 | MASTER-SAAO | (15h 42m 54.89s , -36d 44m 24.1s) | C | 60 | 19.0 | 24097 | 2021-08-01 20:38:25 | MASTER-SAAO | (15h 52m 47.53s , -36d 45m 55.8s) | C | 60 | 18.8 | 24175 | 2021-08-01 20:39:42 | MASTER-IAC | (16h 04m 48.42s , -40d 33m 27.7s) | C | 60 | 15.7 | 24175 | 2021-08-01 20:39:42 | MASTER-IAC | (15h 54m 18.22s , -40d 28m 01.2s) | C | 60 | 15.3 | 24177 | 2021-08-01 20:39:45 | MASTER-SAAO | (16h 07m 21.49s , -38d 40m 21.4s) | C | 60 | 18.4 | 24255 | 2021-08-01 20:41:03 | MASTER-IAC | (15h 52m 31.62s , -42d 28m 18.2s) | C | 60 | 15.7 | 24255 | 2021-08-01 20:41:03 | MASTER-IAC | (15h 41m 42.73s , -42d 22m 53.1s) | C | 60 | 15.6 | 24335 | 2021-08-01 20:42:22 | MASTER-IAC | (15h 58m 06.82s , -38d 41m 32.0s) | C | 60 | 16.2 | 24335 | 2021-08-01 20:42:22 | MASTER-IAC | (15h 47m 53.26s , -38d 36m 05.2s) | C | 60 | 15.9 | 24415 | 2021-08-01 20:43:42 | MASTER-IAC | (15h 44m 54.80s , -40d 34m 49.0s) | C | 60 | 16.5 | 24415 | 2021-08-01 20:43:42 | MASTER-IAC | (15h 34m 24.39s , -40d 29m 23.6s) | C | 60 | 16.0 | 24416 | 2021-08-01 20:43:43 | MASTER-SAAO | (15h 40m 16.35s , -44d 19m 18.0s) | C | 60 | 18.1 | 24575 | 2021-08-01 20:46:23 | MASTER-SAAO | (15h 31m 42.16s , -42d 24m 23.8s) | C | 60 | 18.2 | 24655 | 2021-08-01 20:47:42 | MASTER-SAAO | (16h 01m 51.16s , -36d 45m 10.5s) | C | 60 | 18.6 | 24695 | 2021-08-01 20:48:22 | MASTER-IAC | (16h 13m 04.26s , -42d 29m 45.8s) | C | 60 | 16.5 | 24695 | 2021-08-01 20:48:22 | MASTER-IAC | (16h 02m 14.19s , -42d 24m 12.5s) | C | 60 | 16.1 | 24775 | 2021-08-01 20:49:42 | MASTER-IAC | (16h 01m 39.31s , -44d 21m 51.2s) | C | 60 | 16.9 | 24775 | 2021-08-01 20:49:42 | MASTER-IAC | (15h 50m 29.07s , -44d 16m 19.5s) | C | 60 | 16.1 | 25095 | 2021-08-01 20:55:03 | MASTER-IAC | (16h 04m 51.29s , -40d 35m 50.6s) | C | 60 | 16.9 | 25095 | 2021-08-01 20:55:03 | MASTER-IAC | (15h 54m 19.82s , -40d 30m 17.5s) | C | 60 | 16.5 | 25175 | 2021-08-01 20:56:23 | MASTER-IAC | (15h 52m 31.44s , -42d 29m 17.1s) | C | 60 | 16.9 | 25175 | 2021-08-01 20:56:23 | MASTER-IAC | (15h 41m 41.34s , -42d 23m 46.6s) | C | 60 | 16.6 | 25255 | 2021-08-01 20:57:43 | MASTER-IAC | (15h 58m 10.70s , -38d 40m 02.2s) | C | 60 | 17.2 | 25255 | 2021-08-01 20:57:43 | MASTER-IAC | (15h 47m 56.30s , -38d 34m 30.4s) | C | 60 | 17.0 | 25335 | 2021-08-01 20:59:03 | MASTER-IAC | (15h 44m 52.66s , -40d 35m 01.3s) | C | 60 | 17.4 | 25335 | 2021-08-01 20:59:03 | MASTER-IAC | (15h 34m 20.96s , -40d 29m 31.3s) | C | 60 | 17.0 | 25578 | 2021-08-01 21:03:05 | MASTER-IAC | (15h 38m 39.16s , -38d 39m 19.6s) | C | 60 | 17.6 | 25861 | 2021-08-01 21:07:48 | MASTER-IAC | (16h 13m 01.96s , -42d 30m 11.1s) | C | 60 | 17.2 | 25861 | 2021-08-01 21:07:48 | MASTER-IAC | (16h 02m 11.63s , -42d 24m 38.8s) | C | 60 | 16.8 | 25946 | 2021-08-01 21:09:14 | MASTER-IAC | (16h 01m 39.92s , -44d 23m 31.3s) | C | 60 | 17.5 | 25946 | 2021-08-01 21:09:14 | MASTER-IAC | (15h 50m 29.23s , -44d 18m 00.6s) | C | 60 | 16.8 | 26277 | 2021-08-01 21:14:44 | MASTER-IAC | (16h 04m 50.19s , -40d 34m 57.0s) | C | 60 | 17.3 | 26277 | 2021-08-01 21:14:44 | MASTER-IAC | (15h 54m 18.75s , -40d 29m 25.0s) | C | 60 | 16.9 | 26357 | 2021-08-01 21:16:04 | MASTER-IAC | (15h 52m 24.83s , -42d 27m 41.5s) | C | 60 | 17.2 | 26357 | 2021-08-01 21:16:04 | MASTER-IAC | (15h 41m 34.89s , -42d 22m 11.5s) | C | 60 | 17.0 | 26437 | 2021-08-01 21:17:24 | MASTER-IAC | (15h 58m 12.51s , -38d 40m 52.1s) | C | 60 | 17.5 | 26437 | 2021-08-01 21:17:24 | MASTER-IAC | (15h 47m 57.93s , -38d 35m 19.7s) | C | 60 | 17.2 | 26516 | 2021-08-01 21:18:44 | MASTER-IAC | (15h 44m 50.42s , -40d 35m 34.8s) | C | 60 | 17.6 | 26516 | 2021-08-01 21:18:44 | MASTER-IAC | (15h 34m 18.68s , -40d 30m 04.5s) | C | 60 | 17.1 | 26768 | 2021-08-01 21:22:55 | MASTER-IAC | (15h 38m 42.28s , -38d 41m 06.5s) | C | 60 | 17.7 | 27050 | 2021-08-01 21:27:38 | MASTER-IAC | (16h 13m 00.12s , -42d 29m 17.8s) | C | 60 | 17.2 | 27050 | 2021-08-01 21:27:38 | MASTER-IAC | (16h 02m 10.11s , -42d 23m 46.0s) | C | 60 | 16.9 | 27131 | 2021-08-01 21:28:59 | MASTER-IAC | (16h 01m 33.00s , -44d 22m 00.8s) | C | 60 | 17.5 | 27131 | 2021-08-01 21:28:59 | MASTER-IAC | (15h 50m 22.74s , -44d 16m 31.0s) | C | 60 | 16.8 | 27457 | 2021-08-01 21:34:24 | MASTER-IAC | (15h 52m 49.93s , -36d 45m 59.1s) | C | 60 | 17.9 | 27704 | 2021-08-01 21:38:32 | MASTER-IAC | (15h 38m 39.92s , -38d 40m 31.4s) | C | 60 | 17.7 | 27784 | 2021-08-01 21:39:51 | MASTER-IAC | (15h 40m 19.06s , -44d 21m 31.6s) | C | 60 | 17.0 | 27864 | 2021-08-01 21:41:12 | MASTER-IAC | (16h 07m 26.63s , -38d 35m 51.8s) | C | 60 | 17.2 | 27944 | 2021-08-01 21:42:32 | MASTER-IAC | (15h 31m 48.29s , -42d 29m 23.5s) | C | 60 | 17.3 | 28024 | 2021-08-01 21:43:51 | MASTER-IAC | (16h 01m 52.26s , -36d 42m 22.0s) | C | 60 | 17.6 | 28497 | 2021-08-01 21:51:44 | MASTER-IAC | (15h 52m 45.80s , -36d 46m 58.2s) | C | 60 | 17.9 | 28767 | 2021-08-01 21:56:14 | MASTER-IAC | (15h 40m 17.67s , -44d 23m 25.3s) | C | 60 | 16.8 | 28847 | 2021-08-01 21:57:34 | MASTER-IAC | (16h 07m 22.23s , -38d 36m 42.2s) | C | 60 | 17.2 | 28927 | 2021-08-01 21:58:54 | MASTER-IAC | (15h 31m 50.67s , -42d 27m 44.3s) | C | 60 | 17.2 | 29007 | 2021-08-01 22:00:14 | MASTER-IAC | (16h 01m 46.39s , -36d 42m 31.1s) | C | 60 | 17.6 | 29617 | 2021-08-01 22:10:24 | MASTER-IAC | (15h 52m 51.38s , -36d 47m 57.5s) | C | 60 | 17.8 | 29862 | 2021-08-01 22:14:30 | MASTER-IAC | (15h 40m 24.49s , -44d 22m 00.3s) | C | 60 | 16.6 | 29942 | 2021-08-01 22:15:49 | MASTER-IAC | (16h 07m 17.44s , -38d 36m 01.9s) | C | 60 | 17.3 | 30021 | 2021-08-01 22:17:09 | MASTER-IAC | (15h 31m 47.12s , -42d 27m 29.6s) | C | 60 | 17.0 | 30101 | 2021-08-01 22:18:29 | MASTER-IAC | (16h 01m 48.82s , -36d 41m 53.6s) | C | 60 | 17.6 | 32851 | 2021-08-01 23:04:18 | MASTER-OAFA | (15h 53m 41.26s , -41d 14m 34.6s) | C | 60 | 17.5 | 32930 | 2021-08-01 23:05:38 | MASTER-OAFA | (16h 04m 17.08s , -41d 14m 32.4s) | C | 60 | 17.5 | 33010 | 2021-08-01 23:06:57 | MASTER-OAFA | (15h 41m 00.04s , -43d 08m 17.2s) | C | 60 | 17.8 | 33091 | 2021-08-01 23:08:18 | MASTER-OAFA | (15h 51m 52.67s , -43d 06m 57.2s) | C | 60 | 17.7 | 33170 | 2021-08-01 23:09:38 | MASTER-OAFA | (15h 47m 17.34s , -39d 18m 31.4s) | C | 60 | 18.0 | 33250 | 2021-08-01 23:10:57 | MASTER-OAFA | (15h 57m 36.96s , -39d 19m 45.5s) | C | 60 | 17.8 | 33330 | 2021-08-01 23:12:17 | MASTER-OAFA | (15h 33m 47.93s , -41d 13m 51.4s) | C | 60 | 18.1 | 33409 | 2021-08-01 23:13:37 | MASTER-OAFA | (15h 44m 15.42s , -41d 12m 33.5s) | C | 60 | 18.0 | 33568 | 2021-08-01 23:16:16 | MASTER-OAFA | (15h 38m 02.83s , -39d 19m 26.2s) | C | 60 | 18.2 | 33648 | 2021-08-01 23:17:35 | MASTER-OAFA | (16h 01m 38.32s , -43d 07m 58.6s) | C | 60 | 17.9 | 33927 | 2021-08-01 23:22:15 | MASTER-OAFA | (16h 12m 29.22s , -43d 09m 04.4s) | C | 60 | 18.0 | 34007 | 2021-08-01 23:23:34 | MASTER-OAFA | (15h 53m 43.52s , -41d 13m 04.9s) | C | 60 | 17.9 | 34087 | 2021-08-01 23:24:54 | MASTER-OAFA | (16h 04m 15.00s , -41d 14m 56.7s) | C | 60 | 17.8 | 34166 | 2021-08-01 23:26:13 | MASTER-OAFA | (15h 41m 03.98s , -43d 06m 42.3s) | C | 60 | 18.0 | 34246 | 2021-08-01 23:27:33 | MASTER-OAFA | (15h 51m 46.53s , -43d 07m 49.5s) | C | 60 | 17.9 | 34325 | 2021-08-01 23:28:53 | MASTER-OAFA | (15h 47m 16.57s , -39d 18m 42.1s) | C | 60 | 18.2 | 34405 | 2021-08-01 23:30:12 | MASTER-OAFA | (15h 57m 37.32s , -39d 19m 54.5s) | C | 60 | 18.0 | 34484 | 2021-08-01 23:31:32 | MASTER-OAFA | (15h 33m 40.98s , -41d 14m 28.4s) | C | 60 | 18.3 | 34564 | 2021-08-01 23:32:51 | MASTER-OAFA | (15h 44m 18.57s , -41d 14m 11.9s) | C | 60 | 18.2 | 34723 | 2021-08-01 23:35:31 | MASTER-OAFA | (15h 38m 05.90s , -39d 20m 30.2s) | C | 60 | 18.3 | 34804 | 2021-08-01 23:36:51 | MASTER-OAFA | (16h 01m 39.41s , -43d 07m 31.5s) | C | 60 | 18.0 | 35085 | 2021-08-01 23:41:33 | MASTER-OAFA | (16h 12m 22.40s , -43d 07m 21.1s) | C | 60 | 18.0 | 35165 | 2021-08-01 23:42:52 | MASTER-OAFA | (15h 53m 46.23s , -41d 13m 57.4s) | C | 60 | 17.9 | 35244 | 2021-08-01 23:44:12 | MASTER-OAFA | (16h 04m 12.69s , -41d 15m 10.6s) | C | 60 | 17.8 | 35324 | 2021-08-01 23:45:32 | MASTER-OAFA | (15h 41m 03.69s , -43d 08m 36.4s) | C | 60 | 18.0 | 35404 | 2021-08-01 23:46:51 | MASTER-OAFA | (15h 51m 49.91s , -43d 07m 16.5s) | C | 60 | 17.9 | 35487 | 2021-08-01 23:48:15 | MASTER-OAFA | (15h 47m 19.18s , -39d 20m 37.5s) | C | 60 | 18.2 | 35567 | 2021-08-01 23:49:35 | MASTER-OAFA | (15h 57m 36.00s , -39d 19m 21.6s) | C | 60 | 17.9 | 35647 | 2021-08-01 23:50:55 | MASTER-OAFA | (15h 33m 40.56s , -41d 13m 37.0s) | C | 60 | 18.2 | 35727 | 2021-08-01 23:52:14 | MASTER-OAFA | (15h 44m 11.41s , -41d 12m 48.6s) | C | 60 | 18.1 | 35886 | 2021-08-01 23:54:53 | MASTER-OAFA | (15h 38m 03.30s , -39d 20m 42.2s) | C | 60 | 18.3 | 35965 | 2021-08-01 23:56:13 | MASTER-OAFA | (16h 01m 38.03s , -43d 09m 06.2s) | C | 60 | 18.0 | 36045 | 2021-08-01 23:57:32 | MASTER-OAFA | (16h 12m 25.43s , -43d 07m 30.8s) | C | 60 | 18.0 | 36331 | 2021-08-02 00:02:18 | MASTER-OAFA | (15h 49m 44.26s , -45d 02m 01.4s) | C | 60 | 17.9 | 36411 | 2021-08-02 00:03:38 | MASTER-OAFA | (16h 00m 54.61s , -45d 01m 15.1s) | C | 60 | 18.4 | 36490 | 2021-08-02 00:04:58 | MASTER-OAFA | (15h 42m 11.18s , -37d 26m 50.6s) | C | 60 | 18.5 | 36570 | 2021-08-02 00:06:17 | MASTER-OAFA | (15h 52m 16.96s , -37d 26m 47.8s) | C | 60 | 18.4 | 36968 | 2021-08-02 00:12:56 | MASTER-OAFA | (16h 06m 49.51s , -39d 21m 20.7s) | C | 60 | 17.9 | 37128 | 2021-08-02 00:15:36 | MASTER-OAFA | (16h 01m 16.02s , -37d 25m 35.7s) | C | 60 | 18.3 | 37487 | 2021-08-02 00:21:34 | MASTER-OAFA | (15h 49m 48.04s , -45d 02m 07.6s) | C | 60 | 17.9 | 37651 | 2021-08-02 00:24:18 | MASTER-OAFA | (15h 42m 17.19s , -37d 26m 33.3s) | C | 60 | 18.4 | 37731 | 2021-08-02 00:25:38 | MASTER-OAFA | (15h 52m 13.28s , -37d 25m 21.6s) | C | 60 | 18.3 | 38128 | 2021-08-02 00:32:16 | MASTER-OAFA | (16h 06m 50.31s , -39d 19m 46.3s) | C | 60 | 17.9 | 38288 | 2021-08-02 00:34:55 | MASTER-OAFA | (16h 01m 18.14s , -37d 26m 16.7s) | C | 60 | 18.3 | 38647 | 2021-08-02 00:40:54 | MASTER-OAFA | (15h 49m 52.53s , -45d 00m 31.7s) | C | 60 | 17.9 | 38726 | 2021-08-02 00:42:14 | MASTER-OAFA | (16h 00m 57.25s , -45d 01m 44.1s) | C | 60 | 18.4 | 38806 | 2021-08-02 00:43:33 | MASTER-OAFA | (15h 42m 14.17s , -37d 24m 21.6s) | C | 60 | 18.4 | 38885 | 2021-08-02 00:44:53 | MASTER-OAFA | (15h 52m 19.27s , -37d 25m 32.9s) | C | 60 | 18.4 | 39284 | 2021-08-02 00:51:32 | MASTER-OAFA | (16h 06m 50.49s , -39d 19m 11.3s) | C | 60 | 17.9 | 39443 | 2021-08-02 00:54:11 | MASTER-OAFA | (16h 01m 10.40s , -37d 24m 45.5s) | C | 60 | 18.3 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4723 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 GRB210801.58 (trigger No 649519043,16h 51m 04.80s , -45d 49m 12.0s, R=1.59) errorbox 9997 sec after notice time and 10005 sec after trigger time at 2021-08-01 16:44:04 UT, with upper limit up to 18.6 mag. Observations started at twilight. The observations began at zenith distance = 27 deg. The sun altitude is -9.2 deg. The galactic latitude b = -1 deg., longitude l = 340 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1677776 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 10036 | 2021-08-01 16:44:04 | MASTER-SAAO | (16h 45m 32.58s , -46d 23m 06.5s) | C | 60 | 16.5 | 10115 | 2021-08-01 16:45:24 | MASTER-SAAO | (16h 57m 02.64s , -46d 24m 34.4s) | C | 60 | 17.2 | 10195 | 2021-08-01 16:46:43 | MASTER-SAAO | (16h 54m 49.52s , -44d 28m 37.9s) | C | 60 | 17.4 | 10275 | 2021-08-01 16:48:03 | MASTER-SAAO | (17h 06m 02.19s , -44d 30m 32.8s) | C | 60 | 17.4 | 10355 | 2021-08-01 16:49:23 | MASTER-SAAO | (16h 33m 29.31s , -44d 28m 35.8s) | C | 60 | 17.5 | 10435 | 2021-08-01 16:50:43 | MASTER-SAAO | (16h 44m 41.94s , -44d 28m 02.3s) | C | 60 | 17.6 | 10714 | 2021-08-01 16:55:22 | MASTER-SAAO | (16h 36m 42.07s , -48d 17m 25.5s) | C | 60 | 17.4 | 10794 | 2021-08-01 16:56:42 | MASTER-SAAO | (16h 48m 39.41s , -48d 16m 14.7s) | C | 60 | 17.4 | 10877 | 2021-08-01 16:58:05 | MASTER-SAAO | (16h 44m 03.48s , -42d 34m 25.2s) | C | 60 | 17.9 | 10957 | 2021-08-01 16:59:25 | MASTER-SAAO | (16h 54m 48.86s , -42d 35m 21.9s) | C | 60 | 18.6 | 11036 | 2021-08-01 17:00:44 | MASTER-SAAO | (16h 45m 25.45s , -46d 21m 51.8s) | C | 60 | 17.8 | 11127 | 2021-08-01 17:02:15 | MASTER-SAAO | (16h 57m 06.68s , -46d 23m 20.8s) | C | 60 | 18.5 | 11206 | 2021-08-01 17:03:34 | MASTER-SAAO | (16h 54m 44.85s , -44d 30m 16.7s) | C | 60 | 18.4 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4722 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 GRB210801.58 (trigger No 649519043,16h 51m 04.80s , -45d 49m 12.0s, R=1.59) errorbox 9997 sec after notice time and 10005 sec after trigger time at 2021-08-01 16:44:04 UT, with upper limit up to 18.6 mag. Observations started at twilight. The observations began at zenith distance = 27 deg. The sun altitude is -9.2 deg. The galactic latitude b = -1 deg., longitude l = 340 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1677776 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 10036 | 2021-08-01 16:44:04 | MASTER-SAAO | (16h 45m 32.58s , -46d 23m 06.5s) | C | 60 | 16.5 | 10115 | 2021-08-01 16:45:24 | MASTER-SAAO | (16h 57m 02.64s , -46d 24m 34.4s) | C | 60 | 17.2 | 10195 | 2021-08-01 16:46:43 | MASTER-SAAO | (16h 54m 49.52s , -44d 28m 37.9s) | C | 60 | 17.4 | 10275 | 2021-08-01 16:48:03 | MASTER-SAAO | (17h 06m 02.19s , -44d 30m 32.8s) | C | 60 | 17.4 | 10355 | 2021-08-01 16:49:23 | MASTER-SAAO | (16h 33m 29.31s , -44d 28m 35.8s) | C | 60 | 17.5 | 10435 | 2021-08-01 16:50:43 | MASTER-SAAO | (16h 44m 41.94s , -44d 28m 02.3s) | C | 60 | 17.6 | 10714 | 2021-08-01 16:55:22 | MASTER-SAAO | (16h 36m 42.07s , -48d 17m 25.5s) | C | 60 | 17.4 | 10794 | 2021-08-01 16:56:42 | MASTER-SAAO | (16h 48m 39.41s , -48d 16m 14.7s) | C | 60 | 17.4 | 10877 | 2021-08-01 16:58:05 | MASTER-SAAO | (16h 44m 03.48s , -42d 34m 25.2s) | C | 60 | 17.9 | 10957 | 2021-08-01 16:59:25 | MASTER-SAAO | (16h 54m 48.86s , -42d 35m 21.9s) | C | 60 | 18.6 | 11036 | 2021-08-01 17:00:44 | MASTER-SAAO | (16h 45m 25.45s , -46d 21m 51.8s) | C | 60 | 17.8 | 11127 | 2021-08-01 17:02:15 | MASTER-SAAO | (16h 57m 06.68s , -46d 23m 20.8s) | C | 60 | 18.5 | 11206 | 2021-08-01 17:03:34 | MASTER-SAAO | (16h 54m 44.85s , -44d 30m 16.7s) | C | 60 | 18.4 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. ####################################################################################### ####################################################################################### ID = 4721 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 GRB210801.58 (trigger No 649519043,16h 51m 04.80s , -45d 49m 12.0s, R=1.59) errorbox 9997 sec after notice time and 10005 sec after trigger time at 2021-08-01 16:44:04 UT, with upper limit up to 18.6 mag. Observations started at twilight. The observations began at zenith distance = 27 deg. The sun altitude is -9.2 deg. The galactic latitude b = -1 deg., longitude l = 340 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1677776 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 10036 | 2021-08-01 16:44:04 | MASTER-SAAO | (16h 45m 32.58s , -46d 23m 06.5s) | C | 60 | 16.5 | 10115 | 2021-08-01 16:45:24 | MASTER-SAAO | (16h 57m 02.64s , -46d 24m 34.4s) | C | 60 | 17.2 | 10195 | 2021-08-01 16:46:43 | MASTER-SAAO | (16h 54m 49.52s , -44d 28m 37.9s) | C | 60 | 17.4 | 10275 | 2021-08-01 16:48:03 | MASTER-SAAO | (17h 06m 02.19s , -44d 30m 32.8s) | C | 60 | 17.4 | 10355 | 2021-08-01 16:49:23 | MASTER-SAAO | (16h 33m 29.31s , -44d 28m 35.8s) | C | 60 | 17.5 | 10435 | 2021-08-01 16:50:43 | MASTER-SAAO | (16h 44m 41.94s , -44d 28m 02.3s) | C | 60 | 17.6 | 10714 | 2021-08-01 16:55:22 | MASTER-SAAO | (16h 36m 42.07s , -48d 17m 25.5s) | C | 60 | 17.4 | 10794 | 2021-08-01 16:56:42 | MASTER-SAAO | (16h 48m 39.41s , -48d 16m 14.7s) | C | 60 | 17.4 | 10877 | 2021-08-01 16:58:05 | MASTER-SAAO | (16h 44m 03.48s , -42d 34m 25.2s) | C | 60 | 17.9 | 10957 | 2021-08-01 16:59:25 | MASTER-SAAO | (16h 54m 48.86s , -42d 35m 21.9s) | C | 60 | 18.6 | 11036 | 2021-08-01 17:00:44 | MASTER-SAAO | (16h 45m 25.45s , -46d 21m 51.8s) | C | 60 | 17.8 | 11127 | 2021-08-01 17:02:15 | MASTER-SAAO | (16h 57m 06.68s , -46d 23m 20.8s) | C | 60 | 18.5 | 11206 | 2021-08-01 17:03:34 | MASTER-SAAO | (16h 54m 44.85s , -44d 30m 16.7s) | 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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