AAVSO: American Association of Variable Star Observers

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Showing 23,634 observations for MRK 421 from 227 observers

Star JD Calendar Date Magnitude Error Filter Observer
MARK 421 2459748.449 2022 Jun. 17.94900 12.8 Vis. PYG Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127-1 No AAVSO 1368BBB U
MRK 421 2459747.56398 2022 Jun. 17.06398 12.859 0.009 V DKS Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
000-BBR-946 (13.310) 000-BBR-968 (14.340) No 14607G ERROR: V-C STDDEV+C POISSON IN QUAD;
MARK 421 2459746.445 2022 Jun. 15.94500 12.9 Vis. PYG Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127-2 No AAVSO 1368BBB U
MRK 421 2459745.4333 2022 Jun. 14.93330 12.9 Vis. GZN Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127 133 No X16188OM
MRK 421 2459744.4215 2022 Jun. 13.92150 12.9 Vis. GZN Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127 133 No X16188OM
MARK 421 2459741.484 2022 Jun. 10.98400 12.8 Vis. PYG Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127-1 No AAVSO 1368BBB U
MARK 421 2459739.450 2022 Jun. 08.95000 12.8 Vis. PYG Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127-1 No AAVSO 1368BBB
MRK 421 2459737.69931 2022 Jun. 07.19931 12.7 Vis. BADB Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
123 128 No X18997GU
MARKARIAN 421 2459737.475 2022 Jun. 06.97500 13.0 Vis. TOO Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
No 243.01 SCT200
MRK 421 2459737.4382 2022 Jun. 06.93820 12.8 Vis. GZN Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127 133 No X16188OM
MRK 421 2459735.4354 2022 Jun. 04.93540 12.8 Vis. GZN Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127 133 No X16188OM
MRK 421 2459735.40069 2022 Jun. 04.90069 13.0 Vis. OJR Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
12.9 No AAVSO
Mrk 421 2459735.3965 2022 Jun. 04.89650 13.0 Vis. MJZ Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
12.6 13.4 No X26554MW
MRK 421 2459734.67872 2022 Jun. 04.17872 12.576 0.062 V PJDB Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
126 (-8.355) 128 (-8.179) No X27992ANX |CMAGINS=-8.355|CREFERR=0.072|CREFMAG=12.608|KMAG=12.784|KMAGINS=-8.179|KREFERR=0.044|KREFMAG=12.842|VMAGINS=-8.387
MRK 421 2459734.4333 2022 Jun. 03.93330 12.9 Vis. GZN Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127 133 No X16188OM
Mrk 421 2459734.3902 2022 Jun. 03.89020 12.4 Vis. MJZ Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
11.8 12.6 No X26554MW
MRK 421 2459733.4250 2022 Jun. 02.92500 13.1 Vis. GGU Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127 133 No 080518
Mrk 421 2459733.3916 2022 Jun. 02.89160 13.0 Vis. MJZ Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
12.6 13.4 No X26554MW
MARKARIAN 421 2459732.467 2022 Jun. 01.96700 13.0 Vis. TOO Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
No 243.01 SCT355
MARK 421 2459732.460 2022 Jun. 01.96000 12.9 Vis. PYG Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
127-2 No AAVSO 1368BBB U
Mrk 421 2459732.3833 2022 Jun. 01.88330 12.9 Vis. MJZ Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
12.6 13.4 No X26554MW
Mrk 421 2459730.3847 2022 May. 30.88470 13.0 Vis. MJZ Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
12.6 13.4 No X26554MW
MRK 421 2459729.69514 2022 May. 30.19514 12.8 Vis. BADB Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
123 128 No X18997GU
Mrk 421 2459729.3847 2022 May. 29.88470 12.8 Vis. MJZ Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
12.6 13.4 No X26554MW
MARKARIAN 421 2459728.433 2022 May. 28.93300 12.9 Vis. TOO Details...
Comp Star Check Star Transformed Chart Comment Codes Notes
No 243.01 SCT355
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