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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 90 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 B PER CDK 2456315.5370 2013-01-23 00:53 4.610 .004 Tri-Color Green DSLR
2 B PER CDK 2456316.5250 2013-01-24 00:35 4.643 .009 Tri-Color Green DSLR
3 B PER CDK 2456316.6910 2013-01-24 04:35 4.662 .004 Tri-Color Green DSLR
4 B PER BRIA 2456317.2826 2013-01-24 18:47 4.553 0.029 Tri-Color Red DSLR
5 B PER BRIA 2456317.2826 2013-01-24 18:47 4.574 0.027 Tri-Color Green DSLR
6 B PER BRIA 2456317.2826 2013-01-24 18:47 4.631 0.021 Tri-Color Blue DSLR
7 B PER BRIA 2456317.3083 2013-01-24 19:23 4.577 0.027 Tri-Color Red DSLR
8 B PER BRIA 2456317.3083 2013-01-24 19:23 4.623 0.017 Tri-Color Green DSLR
9 B PER BRIA 2456317.3083 2013-01-24 19:23 4.623 0.020 Tri-Color Blue DSLR
10 B PER BRIA 2456317.3104 2013-01-24 19:27 4.569 0.032 Tri-Color Red DSLR
11 B PER BRIA 2456317.3104 2013-01-24 19:27 4.575 0.026 Tri-Color Green DSLR
12 B PER BRIA 2456317.3104 2013-01-24 19:27 4.633 0.032 Tri-Color Blue DSLR
13 B PER CDK 2456317.5500 2013-01-25 01:11 4.652 .004 Tri-Color Green DSLR
14 B PER CDK 2456317.5550 2013-01-25 01:19 4.649 .004 Tri-Color Green DSLR
15 B PER BRIA 2456318.2062 2013-01-25 16:56 4.620 0.038 Tri-Color Red DSLR
16 B PER BRIA 2456318.2062 2013-01-25 16:56 4.657 0.026 Tri-Color Green DSLR
17 B PER BRIA 2456318.2062 2013-01-25 16:56 4.655 0.030 Tri-Color Blue DSLR
18 B PER BRIA 2456318.4069 2013-01-25 21:45 4.579 0.044 Tri-Color Red DSLR
19 B PER BRIA 2456318.4069 2013-01-25 21:45 4.621 0.029 Tri-Color Green DSLR
20 B PER BRIA 2456318.4069 2013-01-25 21:45 4.629 0.037 Tri-Color Blue DSLR
21 B PER BRIA 2456318.4236 2013-01-25 22:09 4.585 0.040 Tri-Color Red DSLR
22 B PER BRIA 2456318.4236 2013-01-25 22:09 4.610 0.018 Tri-Color Green DSLR
23 B PER BRIA 2456318.4236 2013-01-25 22:09 4.576 0.045 Tri-Color Blue DSLR
24 b Per CQJ 2456318.5792 2013-01-26 01:54 4.461 N/A Cousins I CCD
25 b Per CQJ 2456318.5840 2013-01-26 02:01 4.594 N/A Johnson V CCD