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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 89 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 GW LIB HMB 2457993.5195 2017-08-28 00:28 16.715 0.152 Johnson V CCD
2 GW LIB HMB 2457993.5206 2017-08-28 00:29 16.498 0.126 Johnson V CCD
3 GW LIB FFAD 2457994.4583 2017-08-28 22:59 15.1 N/A Visual Visual
4 GW LIB HMB 2457994.4765 2017-08-28 23:26 16.669 0.208 Johnson V CCD
5 GW LIB HMB 2457994.4776 2017-08-28 23:27 16.231 0.137 Johnson V CCD
6 GW LIB HMB 2457994.5168 2017-08-29 00:24 16.593 0.157 Johnson V CCD
7 GW LIB HMB 2457994.5179 2017-08-29 00:25 16.588 0.171 Johnson V CCD
8 GW LIB MGW 2457994.8656 2017-08-29 08:46 16.501 0.062 Johnson V CCD
9 GW LIB MGW 2457994.8635 2017-08-29 08:43 16.531 0.058 Johnson B CCD
10 GW LIB MGW 2457995.8651 2017-08-30 08:45 16.597 0.043 Johnson V CCD
11 GW LIB MGW 2457995.8630 2017-08-30 08:42 16.653 0.043 Johnson B CCD
12 GW LIB HMB 2457995.4770 2017-08-29 23:26 16.296 0.146 Johnson V CCD
13 GW LIB HMB 2457995.4781 2017-08-29 23:28 16.622 0.196 Johnson V CCD
14 GW LIB HMB 2457995.5139 2017-08-30 00:20 16.665 0.219 Johnson V CCD
15 GW LIB HMB 2457995.5150 2017-08-30 00:21 16.920 0.273 Johnson V CCD
16 GW LIB MGW 2457996.8652 2017-08-31 08:45 16.628 0.045 Johnson V CCD
17 GW LIB MGW 2457996.8631 2017-08-31 08:42 16.703 0.047 Johnson B CCD
18 GW LIB HMB 2457996.4761 2017-08-30 23:25 16.498 0.239 Johnson V CCD
19 GW LIB HMB 2457996.4772 2017-08-30 23:27 16.387 0.124 Johnson V CCD
20 GW LIB HMB 2457996.5111 2017-08-31 00:16 16.859 0.210 Johnson V CCD
21 GW LIB HMB 2457996.5122 2017-08-31 00:17 16.577 0.171 Johnson V CCD
22 GW LIB FFAD 2457997.4479 2017-08-31 22:45 16.8 N/A Visual Visual
23 GW LIB HMB 2457997.4757 2017-08-31 23:25 16.563 0.146 Johnson V CCD
24 GW LIB HMB 2457997.4768 2017-08-31 23:26 16.635 0.156 Johnson V CCD
25 GW LIB HMB 2457997.5083 2017-09-01 00:11 16.708 0.215 Johnson V CCD