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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.
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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 LPAC 2458745.7285 2019-09-19 05:29 18.551 0.275 Unfiltered with V Zeropoint CCD
2 ZTF J013906.17+524536.89 LPAC 2458745.7365 2019-09-19 05:40 18.595 0.209 Unfiltered with V Zeropoint CCD
3 ZTF J013906.17+524536.89 LPAC 2458745.7470 2019-09-19 05:55 18.441 0.191 Unfiltered with V Zeropoint CCD
4 ZTF J013906.17+524536.89 LPAC 2458745.7695 2019-09-19 06:28 18.419 0.190 Unfiltered with V Zeropoint CCD
5 ZTF J013906.17+524536.89 LPAC 2458745.7906 2019-09-19 06:58 18.334 0.201 Unfiltered with V Zeropoint CCD
6 ZTF J013906.17+524536.89 LPAC 2458745.8012 2019-09-19 07:13 18.665 0.230 Unfiltered with V Zeropoint CCD
7 ZTF J013906.17+524536.89 LPAC 2458745.8117 2019-09-19 07:28 18.254 0.179 Unfiltered with V Zeropoint CCD
8 ZTF J013906.17+524536.89 LPAC 2458745.7626 2019-09-19 06:18 18.652 0.055 Unfiltered with V Zeropoint CCD
9 ZTF J013906.17+524536.89 VMT 2458745.4714 2019-09-18 23:18 18.543 0.184 Unfiltered with V Zeropoint CCD
10 ZTF J013906.17+524536.89 VMT 2458745.4736 2019-09-18 23:21 18.531 0.171 Unfiltered with V Zeropoint CCD
11 ZTF J013906.17+524536.89 SDM 2458746.5643 2019-09-20 01:32 18.046 0.044 Johnson V CCD
12 ZTF J013906.17+524536.89 SABB 2458747.3925 2019-09-20 21:25 18.199 0.0667 Johnson V CCD
13 ZTF J013906.17+524536.89 GBL 2458744.7100 2019-09-18 05:02 18.40 .024 Unfiltered with R Zeropoint CCD
14 ZTF J013906.17+524536.89 GBL 2458746.8100 2019-09-20 07:26 18.40 .025 Unfiltered with R Zeropoint CCD
15 ZTF J013906.17+524536.89 VMT 2458747.5054 2019-09-21 00:07 18.344 0.176 Unfiltered with V Zeropoint CCD
16 ZTF J013906.17+524536.89 LPAC 2458749.7849 2019-09-23 06:50 18.701 0.107 Unfiltered with V Zeropoint CCD
17 ZTF J013906.17+524536.89 LPAC 2458749.8128 2019-09-23 07:30 18.599 0.102 Unfiltered with V Zeropoint CCD
18 ZTF J013906.17+524536.89 LPAC 2458749.8198 2019-09-23 07:40 18.507 0.099 Unfiltered with V Zeropoint CCD
19 ZTF J013906.17+524536.89 VMT 2458749.4597 2019-09-22 23:01 18.418 0.086 Unfiltered with V Zeropoint CCD
20 ZTF J013906.17+524536.89 VMT 2458749.4619 2019-09-22 23:05 18.427 0.088 Unfiltered with V Zeropoint CCD
21 ZTF J013906.17+524536.89 VMT 2458749.4700 2019-09-22 23:16 18.450 0.090 Unfiltered with V Zeropoint CCD
22 ZTF J013906.17+524536.89 GBL 2458749.6900 2019-09-23 04:33 18.399 .024 Unfiltered with R Zeropoint CCD
23 ZTF J013906.17+524536.89 TRT 2458747.5303 2019-09-21 00:43 18.506 0.055 Unfiltered with V Zeropoint CCD
24 ZTF J013906.17+524536.89 TRT 2458748.5255 2019-09-22 00:36 18.540 0.047 Unfiltered with V Zeropoint CCD
25 ZTF J013906.17+524536.89 DFS 2458747.4645 2019-09-20 23:08 18.260 0.058 Unfiltered with V Zeropoint CCD