GRB230821.64 page :: MASTER Database

MASTER Net MASTER Database: GRB230821.64 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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Name

SWIFT GRB230821.64

Trignum

1186391

Trigger time

2023-08-21 15:25:12.13

Notice time

2023-08-21 15:26:47.027806

Coord, eb

(05h 34m 58.39s , +21d 24m 12.2s) , 0.05

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)
 ??

You are viewing outdated information, relevant error box is here

All alerts for this trigger

id	noticetime	coord2000	satel	errorbox	type	trigger	seq	trig_type	links
2258030	2023-08-22 09:20:24.521065	05^h 34^m 58.39^s +21^d 24^m 12.2^s	SWIFT	0.05	retraction	1186391	1	4044	retraction
2257616	2023-08-21 15:41:58.535998	05^h 34^m 57.34^s +21^d 24^m 02.9^s	SWIFT	0	alert	1186391	15	68	alert
2257614	2023-08-21 15:26:47.027806	05^h 34^m 58.39^s +21^d 24^m 12.2^s	SWIFT	0.05	alert	1186391	8	61	alert

MASTER optical transients in this field
Will be published in GCN, ATEL

Synchronous WFC images

Distance	datetime	coord2000	observatory	camera	links
113.8	2023-08-21 15:24:23.508	19^h 58^m 48.00^s +35^d 22^m 48.0^s	Tunka	100628	Database Tunka
113.8	2023-08-21 15:23:35.543	19^h 58^m 48.00^s +35^d 22^m 48.0^s	Tunka	100629	Database Tunka

Errorbox center visibility at MASTER facilities

trigger

notice

notice+1hr

now

2023-08-21 15:25:12 (JD 2460178.142500)

Siderial time 15.907549 h

Ra 05:34:58.39 Dec 21:24:12.20
( 83.743292d, 21.403389d)

Rise 2023-08-21 23:38:56

Transit 2023-08-22 08:03:29

Set 2023-08-22 16:28:01

Amur

Object: Altitude: 1.55 Azimuth: 237.38

Sun: Altitude: -27.49 Azimuth: 178.12

Moon: Altitude: -29.35 Azimuth: 111.74

Tunka

Object: Altitude: -8.75 Azimuth: 217.55

Sun: Altitude: -22.15 Azimuth: 152.32

Moon: Altitude: -14.10 Azimuth: 91.95

Kislovodsk

Object: Altitude: -22.26 Azimuth: 159.65

Sun: Altitude: 6.01 Azimuth: 101.11

Moon: Altitude: 25.38 Azimuth: 44.25

Tavrida

Object: Altitude: -18.85 Azimuth: 151.78

Sun: Altitude: 12.18 Azimuth: 95.15

Moon: Altitude: 28.54 Azimuth: 35.61

SAAO

Object: Altitude: -51.29 Azimuth: 84.25

Sun: Altitude: 8.47 Azimuth: 110.29

Moon: Altitude: 61.96 Azimuth: 139.45

IAC

Object: Altitude: 1.16 Azimuth: 113.81

Sun: Altitude: 54.19 Azimuth: 70.31

Moon: Altitude: 47.55 Azimuth: 331.23

Argentina

Object: Altitude: 19.75 Azimuth: 132.75

Sun: Altitude: 42.59 Azimuth: 204.93

Moon: Altitude: 20.36 Azimuth: 269.12

Mexico

Object: Altitude: 78.56 Azimuth: 34.14

Sun: Altitude: 32.20 Azimuth: 275.07

Moon: Altitude: -24.82 Azimuth: 266.65

Ural

Object: Altitude: -11.51 Azimuth: 176.95

Sun: Altitude: -0.47 Azimuth: 113.58

Moon: Altitude: 8.63 Azimuth: 56.50

Vostryakovo

Object: Altitude: -10.33 Azimuth: 156.48

Sun: Altitude: 10.77 Azimuth: 95.87

Moon: Altitude: 18.50 Azimuth: 36.65

Gal. latitude: -5.418512 Gal. longitude: 185.480059

Dist. to Sun: 63.847168

Dist. to Moon: 121.398466

Moon coord.: (203.735827 d, -9.851370 d)

Sun coord.: (150.179621 d, 12.170344 d)

Lunar disk: 0.232922

Lunar phase: 122.286683

Lunar bright limb: 291.332747

No SN in this field

2023-08-21 15:26:47 (JD 2460178.143600)

Siderial time 15.934010 h

Ra 05:34:58.39 Dec 21:24:12.20
( 83.743292d, 21.403389d)

Rise 2023-08-21 23:38:56

Transit 2023-08-22 08:03:29

Set 2023-08-22 16:28:01

Amur

Object: Altitude: 1.77 Azimuth: 237.68

Sun: Altitude: -27.50 Azimuth: 178.56

Moon: Altitude: -29.59 Azimuth: 112.09

Tunka

Object: Altitude: -8.60 Azimuth: 217.89

Sun: Altitude: -22.26 Azimuth: 152.71

Moon: Altitude: -14.34 Azimuth: 92.25

Kislovodsk

Object: Altitude: -22.36 Azimuth: 160.03

Sun: Altitude: 5.73 Azimuth: 101.38

Moon: Altitude: 25.18 Azimuth: 44.61

Tavrida

Object: Altitude: -18.99 Azimuth: 152.14

Sun: Altitude: 11.90 Azimuth: 95.43

Moon: Altitude: 28.38 Azimuth: 36.00

SAAO

Object: Altitude: -51.62 Azimuth: 83.99

Sun: Altitude: 8.16 Azimuth: 110.06

Moon: Altitude: 61.76 Azimuth: 138.77

IAC

Object: Altitude: 0.84 Azimuth: 113.99

Sun: Altitude: 53.86 Azimuth: 70.65

Moon: Altitude: 47.71 Azimuth: 331.74

Argentina

Object: Altitude: 19.50 Azimuth: 132.46

Sun: Altitude: 42.73 Azimuth: 204.44

Moon: Altitude: 20.69 Azimuth: 268.92

Mexico

Object: Altitude: 78.36 Azimuth: 35.71

Sun: Altitude: 32.54 Azimuth: 275.29

Moon: Altitude: -24.49 Azimuth: 266.86

Ural

Object: Altitude: -11.52 Azimuth: 177.33

Sun: Altitude: -0.66 Azimuth: 113.91

Moon: Altitude: 8.45 Azimuth: 56.83

Vostryakovo

Object: Altitude: -10.42 Azimuth: 156.85

Sun: Altitude: 10.54 Azimuth: 96.19

Moon: Altitude: 18.36 Azimuth: 37.02

Gal. latitude: -5.418512 Gal. longitude: 185.480059

Dist. to Sun: 63.848226

Dist. to Moon: 121.411888

Moon coord.: (203.748124 d, -9.857400 d)

Sun coord.: (150.180637 d, 12.169979 d)

Lunar disk: 0.233014

Lunar phase: 122.274244

Lunar bright limb: 291.331413

No SN in this field

2023-08-21 16:26:47 (JD 2460178.185266)

Siderial time 16.936748 h

Ra 05:34:58.39 Dec 21:24:12.20
( 83.743292d, 21.403389d)

Rise 2023-08-21 23:38:56

Transit 2023-08-22 08:03:29

Set 2023-08-22 16:28:01

Amur

Object: Altitude: 10.33 Azimuth: 248.83

Sun: Altitude: -26.38 Azimuth: 194.97

Moon: Altitude: -37.90 Azimuth: 126.20

Tunka

Object: Altitude: -2.13 Azimuth: 230.37

Sun: Altitude: -25.36 Azimuth: 168.39

Moon: Altitude: -23.43 Azimuth: 104.02

Kislovodsk

Object: Altitude: -24.70 Azimuth: 175.09

Sun: Altitude: -4.66 Azimuth: 111.75

Moon: Altitude: 16.83 Azimuth: 57.13

Tavrida

Object: Altitude: -22.76 Azimuth: 166.58

Sun: Altitude: 1.42 Azimuth: 105.78

Moon: Altitude: 21.13 Azimuth: 49.67

SAAO

Object: Altitude: -64.04 Azimuth: 71.62

Sun: Altitude: -4.01 Azimuth: 101.86

Moon: Altitude: 52.27 Azimuth: 118.73

IAC

Object: Altitude: -10.87 Azimuth: 121.70

Sun: Altitude: 41.03 Azimuth: 81.28

Moon: Altitude: 51.39 Azimuth: 353.22

Argentina

Object: Altitude: 9.35 Azimuth: 122.50

Sun: Altitude: 45.94 Azimuth: 184.38

Moon: Altitude: 33.14 Azimuth: 260.87

Mexico

Object: Altitude: 67.85 Azimuth: 69.56

Sun: Altitude: 45.18 Azimuth: 284.90

Moon: Altitude: -12.13 Azimuth: 274.57

Ural

Object: Altitude: -10.89 Azimuth: 191.59

Sun: Altitude: -7.71 Azimuth: 126.82

Moon: Altitude: 1.19 Azimuth: 69.27

Vostryakovo

Object: Altitude: -12.79 Azimuth: 170.93

Sun: Altitude: 2.22 Azimuth: 108.35

Moon: Altitude: 12.43 Azimuth: 50.59

Gal. latitude: -5.418512 Gal. longitude: 185.480059

Dist. to Sun: 63.888310

Dist. to Moon: 121.920688

Moon coord.: (204.214599 d, -10.085646 d)

Sun coord.: (150.219147 d, 12.156129 d)

Lunar disk: 0.236502

Lunar phase: 121.802647

Lunar bright limb: 291.279492

No SN in this field

2025-05-02 12:10:40 (JD 2460798.007407)

Siderial time 5.396541 h

Ra 05:34:58.39 Dec 21:24:12.20
( 83.743292d, 21.403389d)

Rise 2025-05-03 06:53:20

Transit 2025-05-03 15:17:53

Set 2025-05-03 23:42:24

Amur

Object: Altitude: 18.13 Azimuth: 101.93

Sun: Altitude: -11.60 Azimuth: 132.29

Moon: Altitude: 38.04 Azimuth: 88.06

Tunka

Object: Altitude: 33.45 Azimuth: 82.39

Sun: Altitude: 2.09 Azimuth: 112.60

Moon: Altitude: 52.52 Azimuth: 63.73

Kislovodsk

Object: Altitude: 67.59 Azimuth: 5.16

Sun: Altitude: 41.70 Azimuth: 68.95

Moon: Altitude: 65.35 Azimuth: 304.62

Tavrida

Object: Altitude: 66.08 Azimuth: 345.17

Sun: Altitude: 46.76 Azimuth: 59.57

Moon: Altitude: 59.56 Azimuth: 294.55

SAAO

Object: Altitude: 33.04 Azimuth: 201.88

Sun: Altitude: 36.70 Azimuth: 149.98

Moon: Altitude: 16.95 Azimuth: 220.59

IAC

Object: Altitude: 38.35 Azimuth: 264.11

Sun: Altitude: 72.56 Azimuth: 314.85

Moon: Altitude: 19.23 Azimuth: 248.76

Argentina

Object: Altitude: -27.36 Azimuth: 260.64

Sun: Altitude: 11.47 Azimuth: 243.55

Moon: Altitude: -50.46 Azimuth: 264.61

Mexico

Object: Altitude: -30.53 Azimuth: 211.83

Sun: Altitude: -5.66 Azimuth: 248.16

Moon: Altitude: -31.59 Azimuth: 184.59

Ural

Object: Altitude: 51.70 Azimuth: 29.49

Sun: Altitude: 27.31 Azimuth: 75.78

Moon: Altitude: 59.90 Azimuth: 349.89

Vostryakovo

Object: Altitude: 55.97 Azimuth: 355.67

Sun: Altitude: 38.95 Azimuth: 55.36

Moon: Altitude: 55.57 Azimuth: 313.60

Gal. latitude: -5.418512 Gal. longitude: 185.480059

Dist. to Sun: 42.214013

Dist. to Moon: 23.299501

Moon coord.: (108.552725 d, 27.211402 d)

Sun coord.: (39.553140 d, 15.439352 d)

Lunar disk: 0.286532

Lunar phase: 115.273271

Lunar bright limb: 275.042029

No SN in this field

Recent coverage and limits telegrams

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

  ID = 8739
TYPE = 35
DAYS = 0.5


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230821.64 (trigger No 1186391,05h 34m 58.39s , +21d 24m 12.2s, R=0.05) errorbox  7286 sec after notice time and 7381 sec after trigger time at 2023-08-21 17:28:13 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -26.7 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB230821.64 errorbox  30910 sec after notice time and 31005 sec after trigger time at 2023-08-22 00:01:57 UT, with upper limit up to  18.5 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -26.0 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2257614

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    7426 |        MASTER-Tunka |   C |    90 | 13.6 |        
    7427 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8531 |        MASTER-Tunka |   C |    90 | 14.5 |        
    8532 |        MASTER-Tunka |   C |    90 | 15.3 |        
    8648 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8648 |        MASTER-Tunka |   C |    90 | 15.6 |        
    9783 |        MASTER-Tunka |   C |    90 | 13.6 |        
    9784 |        MASTER-Tunka |   C |    90 | 14.6 |        
    9900 |        MASTER-Tunka |   C |    90 | 12.7 |        
    9901 |        MASTER-Tunka |   C |    90 | 13.9 |        
   31096 |      MASTER-Tavrida |   C |   180 | 15.6 |        
   32314 |      MASTER-Tavrida |   C |   180 | 17.6 |        
   33522 |      MASTER-Tavrida |   C |   180 | 17.8 |        
   34761 |      MASTER-Tavrida |   C |   180 | 18.4 |        
   36137 |      MASTER-Tavrida |   C |   180 | 18.5 |        
   37513 |      MASTER-Tavrida |   C |   180 | 17.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8738
TYPE = 35
DAYS = 0.1


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230821.64 (trigger No 1186391,05h 34m 58.39s , +21d 24m 12.2s, R=0.05) errorbox  7286 sec after notice time and 7381 sec after trigger time at 2023-08-21 17:28:13 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -26.7 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2257614

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    7426 |        MASTER-Tunka |   C |    90 | 13.6 |        
    7427 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8531 |        MASTER-Tunka |   C |    90 | 14.5 |        
    8532 |        MASTER-Tunka |   C |    90 | 15.3 |        
    8648 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8648 |        MASTER-Tunka |   C |    90 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8737
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230821.64 (trigger No 1186391,05h 34m 58.39s , +21d 24m 12.2s, R=0.05) errorbox  7286 sec after notice time and 7381 sec after trigger time at 2023-08-21 17:28:13 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -26.7 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB230821.64 errorbox  30910 sec after notice time and 31005 sec after trigger time at 2023-08-22 00:01:57 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -26.0 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2257614

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    7426 |        MASTER-Tunka |   C |    90 | 13.6 |        
    7427 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8531 |        MASTER-Tunka |   C |    90 | 14.5 |        
    8532 |        MASTER-Tunka |   C |    90 | 15.3 |        
    8648 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8648 |        MASTER-Tunka |   C |    90 | 15.6 |        
    9783 |        MASTER-Tunka |   C |    90 | 13.6 |        
    9784 |        MASTER-Tunka |   C |    90 | 14.6 |        
    9900 |        MASTER-Tunka |   C |    90 | 12.7 |        
    9901 |        MASTER-Tunka |   C |    90 | 13.9 |        
   31096 |      MASTER-Tavrida |   C |   180 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8736
TYPE = 35
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230821.64 (trigger No 1186391,05h 34m 58.39s , +21d 24m 12.2s, R=0.05) errorbox  7286 sec after notice time and 7381 sec after trigger time at 2023-08-21 17:28:13 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -26.7 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB230821.64 errorbox  30910 sec after notice time and 31005 sec after trigger time at 2023-08-22 00:01:57 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -26.0 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2257614

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    7426 |        MASTER-Tunka |   C |    90 | 13.6 |        
    7427 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8531 |        MASTER-Tunka |   C |    90 | 14.5 |        
    8532 |        MASTER-Tunka |   C |    90 | 15.3 |        
    8648 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8648 |        MASTER-Tunka |   C |    90 | 15.6 |        
    9783 |        MASTER-Tunka |   C |    90 | 13.6 |        
    9784 |        MASTER-Tunka |   C |    90 | 14.6 |        
    9900 |        MASTER-Tunka |   C |    90 | 12.7 |        
    9901 |        MASTER-Tunka |   C |    90 | 13.9 |        
   31096 |      MASTER-Tavrida |   C |   180 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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



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

  ID = 8735
TYPE = 34
DAYS = 0


MASTER-Tunka robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Applied Physics Institute, Irkutsk State University) was pointed to the SWIFT GRB230821.64 (trigger No 1186391,05h 34m 58.39s , +21d 24m 12.2s, R=0.05) errorbox  7286 sec after notice time and 7381 sec after trigger time at 2023-08-21 17:28:13 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 84 deg. The sun  altitude  is -26.7 deg. 

MASTER-Tavrida robotic telescope  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) was pointed to the SWIFT GRB230821.64 errorbox  30910 sec after notice time and 31005 sec after trigger time at 2023-08-22 00:01:57 UT, with upper limit up to  15.6 mag. The observations began at zenith distance = 67 deg. The sun  altitude  is -26.0 deg. 

The galactic latitude b = -5 deg., longitude l = 185 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=2257614

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

    7426 |        MASTER-Tunka |   C |    90 | 13.6 |        
    7427 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8531 |        MASTER-Tunka |   C |    90 | 14.5 |        
    8532 |        MASTER-Tunka |   C |    90 | 15.3 |        
    8648 |        MASTER-Tunka |   C |    90 | 14.7 |        
    8648 |        MASTER-Tunka |   C |    90 | 15.6 |        
    9783 |        MASTER-Tunka |   C |    90 | 13.6 |        
    9784 |        MASTER-Tunka |   C |    90 | 14.6 |        
    9900 |        MASTER-Tunka |   C |    90 | 12.7 |        
    9901 |        MASTER-Tunka |   C |    90 | 13.9 |        
   31096 |      MASTER-Tavrida |   C |   180 | 15.6 |        
Filter C is a clear (unfiltred) band. 


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

MASTER, 2002-2025

MASTER Net MASTER Database: GRB230821.64 page

MASTER WFC: Raw | Processing | Search Single sets | Single images SN | Asteroid | Transient | Comet

MASTER II: Raw | Processing | Search by orbit elements | Search SN | Asteroid | Transient | Two tube | Short transient | Tr. difference | Comet | Nova M31 | GRB | GRB_HPX | LIGO Manual control | Planner | Planner Results | Planner NET

General: SN list | Sky map | Add asteroid Meteo | Focus | MASTER page Users list | Users statistic | Logout

Search: proc_data raw_data stars sn lc Moving objects Transients Trans_alert(SWIFT) Short Two tube Tr. difference SN CND Asteroids wide_field Diff Transients + Vis. Gal. Transients + All Gal. GCN Transients.

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

Amur

Tunka

Kislovodsk

Tavrida

SAAO

IAC

Argentina

Mexico

Ural

Vostryakovo

MASTER WFC:
Raw | Processing | Search
Single sets | Single images
SN | Asteroid | Transient | Comet

MASTER II:
Raw | Processing | Search by orbit elements | Search
SN | Asteroid | Transient | Two tube | Short transient | Tr. difference | Comet | Nova M31 | GRB | GRB_HPX | LIGO
Manual control | Planner | Planner Results | Planner NET

General:
SN list | Sky map | Add asteroid
Meteo | Focus | MASTER page
Users list | Users statistic | Logout

Search: