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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 1439 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 DDE 48 DDE 2457956.6218 2017-07-22 02:55 18.348 0.05 Unfiltered with V Zeropoint CCD
2 DDE 48 ATE 2457957.4755 2017-07-22 23:24 16.362 0.043 Johnson V CCD
3 DDE 48 ATE 2457957.4814 2017-07-22 23:33 16.379 0.043 Johnson V CCD
4 DDE 48 ATE 2457957.4841 2017-07-22 23:37 16.316 0.043 Johnson V CCD
5 DDE 48 ATE 2457957.4852 2017-07-22 23:38 16.377 0.044 Johnson V CCD
6 DDE 48 ATE 2457957.4861 2017-07-22 23:40 16.568 0.048 Johnson V CCD
7 DDE 48 ATE 2457957.4871 2017-07-22 23:41 16.432 0.045 Johnson V CCD
8 DDE 48 ATE 2457957.4881 2017-07-22 23:42 16.412 0.045 Johnson V CCD
9 DDE 48 ATE 2457957.4891 2017-07-22 23:44 16.302 0.042 Johnson V CCD
10 DDE 48 ATE 2457957.4900 2017-07-22 23:45 16.400 0.044 Johnson V CCD
11 DDE 48 ATE 2457957.4910 2017-07-22 23:47 16.321 0.043 Johnson V CCD
12 DDE 48 ATE 2457957.4920 2017-07-22 23:48 16.439 0.044 Johnson V CCD
13 DDE 48 ATE 2457957.4929 2017-07-22 23:49 16.434 0.047 Johnson V CCD
14 DDE 48 ATE 2457957.4939 2017-07-22 23:51 16.454 0.045 Johnson V CCD
15 DDE 48 ATE 2457957.4950 2017-07-22 23:52 16.433 0.045 Johnson V CCD
16 DDE 48 ATE 2457957.4959 2017-07-22 23:54 16.405 0.044 Johnson V CCD
17 DDE 48 ATE 2457957.4969 2017-07-22 23:55 16.451 0.045 Johnson V CCD
18 DDE 48 ATE 2457957.4979 2017-07-22 23:56 16.548 0.047 Johnson V CCD
19 DDE 48 ATE 2457957.4988 2017-07-22 23:58 16.434 0.044 Johnson V CCD
20 DDE 48 ATE 2457957.4998 2017-07-22 23:59 16.416 0.044 Johnson V CCD
21 DDE 48 ATE 2457957.5008 2017-07-23 00:01 16.473 0.045 Johnson V CCD
22 DDE 48 ATE 2457957.5018 2017-07-23 00:02 16.485 0.045 Johnson V CCD
23 DDE 48 ATE 2457957.5027 2017-07-23 00:03 16.453 0.045 Johnson V CCD
24 DDE 48 ATE 2457957.5037 2017-07-23 00:05 16.450 0.046 Johnson V CCD
25 DDE 48 ATE 2457957.5047 2017-07-23 00:06 16.520 0.048 Johnson V CCD