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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 3866 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 SU UMa TOO 2457569.4930 2016-06-29 23:49 <13.4 N/A Visual Visual
2 Z Cam TOO 2457569.4920 2016-06-29 23:48 13.8 N/A Visual Visual
3 RX And BFO 2457569.4300 2016-06-29 22:19 13.6 N/A Visual Visual
4 RX And BOZ 2457569.3920 2016-06-29 21:24 13.4 N/A Visual Visual
5 SU UMa BFO 2457569.3800 2016-06-29 21:07 <14.1 N/A Visual Visual
6 Z Cam PPS 2457569.3600 2016-06-29 20:38 13.3 N/A Visual Visual
7 RX And ROG 2457568.8000 2016-06-29 07:11 13.3 N/A Visual Visual
8 RX And MED 2457568.5100 2016-06-29 00:14 <11.8 N/A Visual Visual
9 RX And WPB 2457568.4810 2016-06-28 23:32 13.6 N/A Visual Visual
10 SU UMa WPB 2457568.4400 2016-06-28 22:33 <14.1 N/A Visual Visual
11 Z Cam WPB 2457568.4350 2016-06-28 22:26 13.8 N/A Visual Visual
12 RX And DDJ 2457567.9590 2016-06-28 11:00 13.622 0.015 Johnson V CCD
13 RX And SXN 2457567.9394 2016-06-28 10:32 13.596 0.051 Johnson V CCD
14 RX And CKB 2457566.9153 2016-06-27 09:58 13.1 N/A Visual Visual
15 RX And SGEA 2457566.8890 2016-06-27 09:20 13.349 0.020 Johnson V CCD
16 RX And SGEA 2457566.8882 2016-06-27 09:19 13.302 0.019 Johnson V CCD
17 RX And HKEB 2457566.5940 2016-06-27 02:15 13.091 0.178 CV CCD
18 Z Cam PEI 2457566.4625 2016-06-26 23:05 <12.5 N/A Visual Visual
19 Z Cam HKEB 2457566.3902 2016-06-26 21:21 13.231 0.166 CV CCD
20 RX And HKEB 2457565.5970 2016-06-26 02:19 12.995 0.365 CV CCD
21 RX And MUY 2457564.5278 2016-06-25 00:40 12.7 N/A Visual Visual
22 Z Cam MUY 2457564.4785 2016-06-24 23:28 13.5 N/A Visual Visual
23 RX And SRIC 2457563.9063 2016-06-24 09:45 12.583 0.004 Johnson V CCD
24 RX And WPB 2457563.4990 2016-06-23 23:58 12.0 N/A Visual Visual
25 Z Cam NOT 2457563.4932 2016-06-23 23:50 13.761 0.019 Johnson V CCD