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The AAVSO International Database is a repository of variable star observations contributed by amateur and professional astronomers worldwide. Use the form below to search for observations of specific stars or by specific observers.

Enter list of star names, comma separated.
Enter a date in natural language, jd, or utc format.
Enter a date in natural language, jd, or utc format.
Separate multiple observers with commas.
Campaign overrides targets and dates.

Found 666 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 RX AND BRJ 2448270.5000 1991-01-14 00:00 11.4 N/A Visual Visual
2 RX AND GRI 2448270.5000 1991-01-14 00:00 11.1 N/A Visual Visual
3 RX AND HAV 2448270.5000 1991-01-14 00:00 11.4 N/A Visual Visual
4 HT CAS BRJ 2448270.5000 1991-01-14 00:00 14.5 N/A Visual Visual
5 HT CAS GRI 2448270.5000 1991-01-14 00:00 14.7 N/A Visual Visual
6 FO AND BRJ 2448270.5000 1991-01-14 00:00 15.0 N/A Visual Visual
7 FO AND GRI 2448270.5000 1991-01-14 00:00 15.4 N/A Visual Visual
8 TY PSC BRJ 2448270.5000 1991-01-14 00:00 14.5 N/A Visual Visual
9 TY PSC GRI 2448270.5000 1991-01-14 00:00 14.0 N/A Visual Visual
10 KU CAS BRJ 2448270.5000 1991-01-14 00:00 14.5 N/A Visual Visual
11 KU CAS GRI 2448270.5000 1991-01-14 00:00 15.3 N/A Visual Visual
12 KT PER GRI 2448270.5000 1991-01-14 00:00 14.1 N/A Visual Visual
13 AR AND GRI 2448270.5000 1991-01-14 00:00 14.9 N/A Visual Visual
14 TY PSC WKP 2448270.5010 1991-01-14 00:01 14.3 N/A Visual Visual
15 RX AND STI 2448270.5030 1991-01-14 00:04 11.4 N/A Visual Visual
16 KT PER BRJ 2448270.5100 1991-01-14 00:14 14.5 N/A Visual Visual
17 AR AND BRJ 2448270.5100 1991-01-14 00:14 14.5 N/A Visual Visual
18 TT ARI BRJ 2448270.5100 1991-01-14 00:14 10.5 N/A Visual Visual
19 RX AND YRK 2448270.6190 1991-01-14 02:51 11.4 N/A Visual Visual
20 KU CAS YRK 2448270.6400 1991-01-14 03:21 15.3 N/A Visual Visual
21 HT CAS YRK 2448270.6420 1991-01-14 03:24 14.7 N/A Visual Visual
22 FO AND YRK 2448270.6590 1991-01-14 03:48 14.7 N/A Visual Visual
23 TY PSC YRK 2448270.6600 1991-01-14 03:50 14.3 N/A Visual Visual
24 TT ARI YRK 2448270.6620 1991-01-14 03:53 10.5 N/A Visual Visual
25 KT PER YRK 2448270.6680 1991-01-14 04:01 14.5 N/A Visual Visual