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Search Data

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 4391 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 U GEM SXN 2453421.5868 2005-02-20 02:04 13.9 N/A Visual Visual
2 U GEM CGF 2453421.5931 2005-02-20 02:14 13.1 N/A Visual Visual
3 U GEM JM 2453421.6045 2005-02-20 02:30 13.616 N/A Johnson V CCD
4 U GEM JM 2453421.6066 2005-02-20 02:33 13.498 N/A Johnson V CCD
5 U GEM JM 2453421.6087 2005-02-20 02:36 13.515 N/A Johnson V CCD
6 U GEM JM 2453421.6108 2005-02-20 02:39 13.581 N/A Johnson V CCD
7 U GEM JM 2453421.6129 2005-02-20 02:42 13.643 N/A Johnson V CCD
8 U GEM JM 2453421.6150 2005-02-20 02:45 13.581 N/A Johnson V CCD
9 U GEM JM 2453421.6171 2005-02-20 02:48 13.515 N/A Johnson V CCD
10 U GEM DKS 2453421.6179 2005-02-20 02:49 13.63 N/A Johnson V CCD
11 U GEM JM 2453421.6192 2005-02-20 02:51 13.507 N/A Johnson V CCD
12 U GEM JM 2453421.6213 2005-02-20 02:54 13.222 N/A Johnson V CCD
13 U GEM JM 2453421.6234 2005-02-20 02:57 13.267 N/A Johnson V CCD
14 U GEM JM 2453421.6255 2005-02-20 03:00 13.128 N/A Johnson V CCD
15 U GEM JM 2453421.6276 2005-02-20 03:03 13.088 N/A Johnson V CCD
16 U GEM JM 2453421.6297 2005-02-20 03:06 12.922 N/A Johnson V CCD
17 U GEM JM 2453421.6318 2005-02-20 03:09 12.900 N/A Johnson V CCD
18 U GEM JM 2453421.6361 2005-02-20 03:15 12.817 N/A Johnson V CCD
19 U GEM JM 2453421.6424 2005-02-20 03:25 12.624 N/A Johnson V CCD
20 U GEM JM 2453421.6445 2005-02-20 03:28 12.655 N/A Johnson V CCD
21 U GEM JM 2453421.6466 2005-02-20 03:31 12.699 N/A Johnson V CCD
22 U GEM JM 2453421.6487 2005-02-20 03:34 12.526 N/A Johnson V CCD
23 U GEM JM 2453421.6508 2005-02-20 03:37 12.629 N/A Johnson V CCD
24 U GEM JM 2453421.6529 2005-02-20 03:40 12.661 N/A Johnson V CCD
25 U GEM JM 2453421.6550 2005-02-20 03:43 12.688 N/A Johnson V CCD