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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 214 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 ZTF J013906.17+524536.89 DFS 2458881.3736 2020-02-01 20:57 17.256 0.051 CV CCD
2 ZTF J013906.17+524536.89 LPAC 2458880.7111 2020-02-01 05:03 19.008 0.200 CV CCD
3 ZTF J013906.17+524536.89 LPAC 2458880.7040 2020-02-01 04:53 18.804 0.152 CV CCD
4 ZTF J013906.17+524536.89 LPAC 2458880.6970 2020-02-01 04:43 19.026 0.188 CV CCD
5 ZTF J013906.17+524536.89 LPAC 2458880.6900 2020-02-01 04:33 18.444 0.122 CV CCD
6 ZTF J013906.17+524536.89 LPAC 2458880.6830 2020-02-01 04:23 18.480 0.131 CV CCD
7 ZTF J013906.17+524536.89 LPAC 2458880.6760 2020-02-01 04:13 18.452 0.118 CV CCD
8 ZTF J013906.17+524536.89 DFS 2458875.3849 2020-01-26 21:14 17.820 0.069 CV CCD
9 ZTF J013906.17+524536.89 DFS 2458868.3747 2020-01-19 20:59 17.568 0.030 CV CCD
10 ZTF J013906.17+524536.89 LPAC 2458862.6667 2020-01-14 04:00 18.531 0.121 CV CCD
11 ZTF J013906.17+524536.89 LPAC 2458862.6598 2020-01-14 03:50 19.206 0.194 CV CCD
12 ZTF J013906.17+524536.89 LPAC 2458862.6527 2020-01-14 03:39 19.069 0.172 CV CCD
13 ZTF J013906.17+524536.89 LPAC 2458862.6457 2020-01-14 03:29 18.743 0.128 CV CCD
14 ZTF J013906.17+524536.89 LPAC 2458862.6387 2020-01-14 03:19 18.714 0.129 CV CCD
15 ZTF J013906.17+524536.89 LPAC 2458862.6317 2020-01-14 03:09 18.608 0.116 CV CCD
16 ZTF J013906.17+524536.89 DFS 2458862.3596 2020-01-13 20:37 18.142 0.052 CV CCD
17 ZTF J013906.17+524536.89 DFS 2458861.3591 2020-01-12 20:37 17.729 0.071 CV CCD
18 ZTF J013906.17+524536.89 DFS 2458860.3713 2020-01-11 20:54 17.635 0.070 CV CCD
19 ZTF J013906.17+524536.89 DFS 2458857.3621 2020-01-08 20:41 18.178 0.077 CV CCD
20 ZTF J013906.17+524536.89 DFS 2458856.3615 2020-01-07 20:40 17.430 0.070 CV CCD
21 ZTF J013906.17+524536.89 DFS 2458855.3618 2020-01-06 20:40 17.541 0.064 CV CCD
22 ZTF J013906.17+524536.89 DFS 2458854.3928 2020-01-05 21:25 18.298 0.069 CV CCD
23 ZTF J013906.17+524536.89 DFS 2458853.3920 2020-01-04 21:24 17.105 0.048 CV CCD
24 ZTF J013906.17+524536.89 DFS 2458852.3983 2020-01-03 21:33 17.553 0.042 CV CCD
25 ZTF J013906.17+524536.89 DFS 2458850.3815 2020-01-01 21:09 17.382 0.046 CV CCD