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 7457 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 S5 1803+78 JGRC 2460855.6730 2025-06-29 04:09 16.613 0.009 TG CCD
2 S5 1803+78 HKEB 2460855.4623 2025-06-28 23:05 16.342 0.016 Cousins R CCD
3 S5 1803+78 HKEB 2460855.4592 2025-06-28 23:01 16.781 0.027 Johnson V CCD
4 S5 1803+78 HKEB 2460855.4538 2025-06-28 22:53 17.41 0.034 Johnson B CCD
5 S5 1803+78 DFS 2460855.4126 2025-06-28 21:54 17.212 0.175 Johnson B CCD
6 S5 1803+78 DFS 2460855.4118 2025-06-28 21:53 16.286 0.150 Cousins R CCD
7 S5 1803+78 BOZ 2460855.3400 2025-06-28 20:09 <15.7 N/A Visual Visual
8 S5 1803+78 DFS 2460854.4022 2025-06-27 21:39 17.295 0.094 Johnson B CCD
9 S5 1803+78 DFS 2460854.4014 2025-06-27 21:38 16.363 0.083 Cousins R CCD
10 S5 1803+78 DFS 2460854.4005 2025-06-27 21:36 16.624 0.081 Johnson V CCD
11 S5 1803+78 DFS 2460853.4024 2025-06-26 21:39 17.422 0.110 Johnson B CCD
12 S5 1803+78 DFS 2460853.4016 2025-06-26 21:38 16.247 0.067 Cousins R CCD
13 S5 1803+78 DFS 2460853.4007 2025-06-26 21:36 16.664 0.068 Johnson V CCD
14 S5 1803+78 HKEB 2460852.5278 2025-06-26 00:40 16.294 0.023 Cousins R CCD
15 S5 1803+78 HKEB 2460852.5247 2025-06-26 00:35 16.756 0.049 Johnson V CCD
16 S5 1803+78 HKEB 2460852.5194 2025-06-26 00:27 17.32 0.055 Johnson B CCD
17 S5 1803+78 DFS 2460852.4024 2025-06-25 21:39 17.360 0.075 Johnson B CCD
18 S5 1803+78 DFS 2460852.4016 2025-06-25 21:38 16.234 0.055 Cousins R CCD
19 S5 1803+78 DFS 2460852.4008 2025-06-25 21:37 16.741 0.061 Johnson V CCD
20 S5 1803+78 DFS 2460851.4023 2025-06-24 21:39 17.360 0.070 Johnson B CCD
21 S5 1803+78 DFS 2460851.4015 2025-06-24 21:38 16.193 0.050 Cousins R CCD
22 S5 1803+78 DFS 2460851.4006 2025-06-24 21:36 16.788 0.062 Johnson V CCD
23 S5 1803+78 JGRC 2460850.6731 2025-06-24 04:09 16.673 0.006 TG CCD
24 S5 1803+78 DFS 2460848.4020 2025-06-21 21:38 17.095 0.090 Johnson B CCD
25 S5 1803+78 DFS 2460848.4012 2025-06-21 21:37 16.224 0.078 Cousins R CCD