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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 2338 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 WR 140 DFS 2460564.4217 2024-09-10 22:07 6.520 0.016 Johnson V CCD
2 V1687 Cyg GSAD 2460564.7771 2024-09-11 06:38 7.531 0.133 Johnson V CCD
3 V1687 Cyg GSAD 2460564.8039 2024-09-11 07:17 6.967 0.002 Johnson V CCD
4 V1687 Cyg GSAD 2460564.8043 2024-09-11 07:18 6.839 0.002 Johnson V CCD
5 V1687 Cyg GSAD 2460564.8072 2024-09-11 07:22 6.832 0.002 Johnson V CCD
6 V1687 Cyg GSAD 2460564.8093 2024-09-11 07:25 7.030 0.002 Johnson V CCD
7 WR 140 DFS 2460565.4082 2024-09-11 21:47 6.555 0.016 Johnson V CCD
8 V1687 CYG MMIP 2460565.6611 2024-09-12 03:51 7.254 0.001 Johnson B CCD
9 V1687 CYG MMIP 2460565.6562 2024-09-12 03:45 6.505 0.002 Johnson V CCD
10 WR 140 DFS 2460566.4044 2024-09-12 21:42 6.505 0.016 Johnson V CCD
11 V1687 CYG MHUA 2460566.3019 2024-09-12 19:14 7.128 0.006 Tri-Color Green CCD
12 V1687 CYG MHUA 2460566.3029 2024-09-12 19:16 7.094 0.006 Tri-Color Green CCD
13 V1687 CYG MHUA 2460566.3034 2024-09-12 19:16 7.168 0.006 Tri-Color Green CCD
14 V1687 CYG MHUA 2460566.3039 2024-09-12 19:17 7.160 0.006 Tri-Color Green CCD
15 V1687 CYG MHUA 2460566.3049 2024-09-12 19:19 7.165 0.006 Tri-Color Green CCD
16 V1687 CYG MHUA 2460566.3054 2024-09-12 19:19 7.154 0.006 Tri-Color Green CCD
17 V1687 CYG MHUA 2460566.3063 2024-09-12 19:21 7.176 0.007 Tri-Color Green CCD
18 V1687 CYG MHUA 2460566.3068 2024-09-12 19:21 7.143 0.006 Tri-Color Green CCD
19 V1687 CYG MHUA 2460566.3247 2024-09-12 19:47 7.128 0.006 Tri-Color Green CCD
20 V1687 CYG MHUA 2460566.3252 2024-09-12 19:48 7.132 0.006 Tri-Color Green CCD
21 V1687 CYG MHUA 2460566.3271 2024-09-12 19:51 7.109 0.006 Tri-Color Green CCD
22 V1687 CYG MHUA 2460566.3276 2024-09-12 19:51 7.094 0.006 Tri-Color Green CCD
23 V1687 CYG MHUA 2460566.3281 2024-09-12 19:52 7.146 0.006 Tri-Color Green CCD
24 V1687 CYG MHUA 2460566.3286 2024-09-12 19:53 7.104 0.006 Tri-Color Green CCD
25 V1687 CYG MHUA 2460566.3325 2024-09-12 19:58 7.168 0.006 Tri-Color Green CCD