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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 1594 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 alf Com BISA 2457000.8653 2014-12-09 08:46 4.4 0.12 Unfiltered with V Zeropoint Other
2 alf Com VOL 2457010.6830 2014-12-19 04:23 4.3 N/A Visual Visual
3 alf Com SNJ 2457012.6189 2014-12-21 02:51 4.3 N/A Visual Visual
4 alf Com BISA 2457015.8535 2014-12-24 08:28 4.33 0.05 Unfiltered with V Zeropoint Other
5 alf Com BISA 2457014.1319 2014-12-22 15:09 4.34 0.05 Unfiltered with V Zeropoint Other
6 alf Com BISA 2457014.7292 2014-12-23 05:30 4.39 0.05 Unfiltered with V Zeropoint Other
7 alf Com BISA 2457014.9965 2014-12-23 11:55 4.33 0.07 Unfiltered with V Zeropoint Other
8 alf Com BISA 2457013.6250 2014-12-22 03:00 4.34 0.07 Unfiltered with V Zeropoint Other
9 alf Com BISA 2457014.6354 2014-12-23 03:15 4.36 0.1 Unfiltered with V Zeropoint Other
10 alf Com BISA 2457014.7153 2014-12-23 05:10 4.3 0.12 Unfiltered with V Zeropoint Other
11 alf Com BISA 2457013.0201 2014-12-21 12:29 4.36 0.05 Unfiltered with V Zeropoint Other
12 alf Com BISA 2457012.9792 2014-12-21 11:30 4.33 0.05 Unfiltered with V Zeropoint Other
13 alf Com BISA 2457012.7292 2014-12-21 05:30 4.38 0.05 Unfiltered with V Zeropoint Other
14 alf Com BISA 2457011.6042 2014-12-20 02:30 4.35 0.1 Unfiltered with V Zeropoint Other
15 alf Com BISA 2457011.7222 2014-12-20 05:19 4.38 0.05 Unfiltered with V Zeropoint Other
16 alf Com BISA 2457011.7431 2014-12-20 05:50 4.3 0.1 Unfiltered with V Zeropoint Other
17 alf Com BISA 2457011.8611 2014-12-20 08:39 4.36 0.05 Unfiltered with V Zeropoint Other
18 alf Com BISA 2457011.9861 2014-12-20 11:39 4.32 0.05 Unfiltered with V Zeropoint Other
19 alf Com BISA 2457013.6111 2014-12-22 02:39 4.3 0.1 Unfiltered with V Zeropoint Other
20 alf Com BISA 2457012.2604 2014-12-20 18:15 4.27 0.05 Unfiltered with V Zeropoint Other
21 alf Com BISA 2457015.0417 2014-12-23 13:00 4.34 0.1 Unfiltered with V Zeropoint Other
22 alf Com BISA 2457015.2674 2014-12-23 18:24 4.26 0.1 Unfiltered with V Zeropoint Other
23 alf Com BISA 2457015.2639 2014-12-23 18:20 4.3 0.1 Unfiltered with V Zeropoint Other
24 alf Com BISA 2457014.6806 2014-12-23 04:20 4.38 0.05 Unfiltered with V Zeropoint Other
25 alf Com BISA 2457014.6243 2014-12-23 02:59 4.37 0.07 Unfiltered with V Zeropoint Other