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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 19000 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 EX LUP HMB 2459657.8947 2022-03-19 09:28 11.874 0.008 Johnson V CCD
2 EX LUP HMB 2459657.8949 2022-03-19 09:28 11.881 0.009 Johnson V CCD
3 EX LUP HMB 2459657.8986 2022-03-19 09:34 11.872 0.006 Johnson V CCD
4 EX LUP HMB 2459657.8989 2022-03-19 09:34 11.872 0.006 Johnson V CCD
5 EX LUP HMB 2459657.8994 2022-03-19 09:35 12.406 0.006 Johnson B CCD
6 EX LUP HMB 2459657.8999 2022-03-19 09:35 12.399 0.007 Johnson B CCD
7 EX LUP HMB 2459657.9003 2022-03-19 09:36 11.218 0.006 Cousins R CCD
8 EX LUP HMB 2459657.9006 2022-03-19 09:36 11.223 0.005 Cousins R CCD
9 EX LUP HMB 2459657.9012 2022-03-19 09:37 11.964 0.018 Johnson U CCD
10 EX LUP HMB 2459657.9023 2022-03-19 09:39 11.916 0.018 Johnson U CCD
11 EX LUP HMB 2459657.9031 2022-03-19 09:40 10.421 0.007 Cousins I CCD
12 EX LUP HMB 2459657.9033 2022-03-19 09:40 10.415 0.007 Cousins I CCD
13 EX LUP HMB 2459658.8994 2022-03-20 09:35 11.790 0.011 Johnson V CCD
14 EX LUP HMB 2459658.8997 2022-03-20 09:35 11.825 0.012 Johnson V CCD
15 EX LUP HMB 2459658.9001 2022-03-20 09:36 12.317 0.012 Johnson B CCD
16 EX LUP HMB 2459658.9007 2022-03-20 09:36 12.299 0.010 Johnson B CCD
17 EX LUP HMB 2459658.9011 2022-03-20 09:37 11.164 0.009 Cousins R CCD
18 EX LUP HMB 2459658.9013 2022-03-20 09:37 11.177 0.009 Cousins R CCD
19 EX LUP HMB 2459658.9020 2022-03-20 09:38 11.888 0.028 Johnson U CCD
20 EX LUP HMB 2459658.9031 2022-03-20 09:40 11.929 0.030 Johnson U CCD
21 EX LUP HMB 2459658.9038 2022-03-20 09:41 10.412 0.012 Cousins I CCD
22 EX LUP HMB 2459658.9041 2022-03-20 09:41 10.413 0.012 Cousins I CCD
23 EX LUP HMB 2459658.8945 2022-03-20 09:28 11.771 0.010 Johnson V CCD
24 EX LUP HMB 2459658.8948 2022-03-20 09:28 11.796 0.010 Johnson V CCD
25 EX LUP PEX 2459659.1473 2022-03-20 15:32 12.118 0.007 Johnson B CCD