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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 7786 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 ASASSN-14cn BVS 2459826.6482 2022-09-04 03:33 18.029 0.2 Johnson V CCD
2 ASASSN-14cn BVS 2459826.5642 2022-09-04 01:32 18.294 0.2 Johnson V CCD
3 CH UMa DPV 2459826.5451 2022-09-04 01:04 15.30 N/A Visual Visual
4 ASASSN-14cn BVS 2459826.5278 2022-09-04 00:40 18.929 0.2 Johnson V CCD
5 RY Ser BVS 2459826.5222 2022-09-04 00:31 15.835 0.1 Johnson V CCD
6 UU Aql FFAD 2459826.4722 2022-09-03 23:19 14.7 N/A TG CCD
7 UU Aql MJZ 2459826.3916 2022-09-03 21:23 13.1 N/A Visual Visual
8 V1239 Her OJR 2459826.3847 2022-09-03 21:13 <13.8 N/A Visual Visual
9 UU Aql OJR 2459826.3646 2022-09-03 20:44 <14.0 N/A Visual Visual
10 UU Aql SRX 2459825.9389 2022-09-03 10:32 13.0 N/A Visual Visual
11 UU Aql BENS 2459825.7088 2022-09-03 05:00 13.442 0.006 CV CCD
12 UU Aql PYG 2459825.7080 2022-09-03 04:59 13.387 0.008 CV CCD
13 ASASSN-14cn BVS 2459825.6525 2022-09-03 03:39 18.916 0.2 Johnson V CCD
14 ASASSN-14cn BVS 2459825.5425 2022-09-03 01:01 19.02 0.2 Johnson V CCD
15 RY Ser BVS 2459825.5344 2022-09-03 00:49 16.184 0.1 Johnson V CCD
16 UU Aql CCT 2459825.4314 2022-09-02 22:21 13.117 0.01 Johnson V CCD
17 ASASSN-14cn NOT 2459825.3587 2022-09-02 20:36 18.865 0.217 CV CCD
18 ASASSN-14cn BVS 2459824.6696 2022-09-02 04:04 18.294 0.2 Johnson V CCD
19 UU Aql CCT 2459824.6395 2022-09-02 03:20 12.595 0.01 Johnson V CCD
20 ASASSN-14cn BVS 2459824.5855 2022-09-02 02:03 18.24 0.2 Johnson V CCD
21 ASASSN-14cn DEY 2459824.5539 2022-09-02 01:17 18.689 0.153 Johnson V CCD
22 RY Ser BVS 2459824.5366 2022-09-02 00:52 16.174 0.1 Johnson V CCD
23 UU Aql FFAD 2459824.4444 2022-09-01 22:39 12.7 N/A Visual Visual
24 V1239 Her MUY 2459824.4188 2022-09-01 22:03 <14.3 N/A Visual Visual
25 UU Aql MUY 2459824.3889 2022-09-01 21:20 12.8 N/A Visual Visual