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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 335 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 V1490 CYG RZD 2458331.5059 2018-08-01 00:08 16.075 0.053 Johnson V CCD
2 V1490 CYG AFSA 2458332.4025 2018-08-01 21:39 14.48 N/A Cousins I CCD
3 V1490 CYG MMAO 2458332.3876 2018-08-01 21:18 16.80 N/A Johnson V CCD
4 V1490 CYG WKL 2458333.3715 2018-08-02 20:55 15.7 N/A Johnson V CCD
5 V1490 CYG AFSA 2458334.4437 2018-08-03 22:38 15.86 N/A Johnson V CCD
6 V1490 CYG AFSA 2458334.4016 2018-08-03 21:38 13.98 N/A Cousins I CCD
7 V1490 CYG LFEA 2458333.3912 2018-08-02 21:23 15.79 N/A Johnson V CCD
8 V1490 CYG MMAO 2458334.3587 2018-08-03 20:36 15.87 N/A Johnson V CCD
9 V1490 CYG LFEA 2458335.3797 2018-08-04 21:06 15.59 N/A Johnson V CCD
10 V1490 CYG MMAO 2458335.3948 2018-08-04 21:28 15.56 N/A Johnson V CCD
11 V1490 Cyg TIA 2458335.3354 2018-08-04 20:03 15.64 0.1 Johnson V CCD
12 V1490 Cyg TIA 2458335.3708 2018-08-04 20:53 15.59 0.10 Johnson V CCD
13 V1490 Cyg TIA 2458335.3937 2018-08-04 21:26 15.60 0.10 Johnson V CCD
14 V1490 Cyg TIA 2458335.4125 2018-08-04 21:54 15.59 0.10 Johnson V CCD
15 V1490 Cyg TIA 2458335.4688 2018-08-04 23:15 15.52 0.10 Johnson V CCD
16 V1490 CYG SDM 2458335.5789 2018-08-05 01:53 15.581 0.049 Johnson V CCD
17 V1490 CYG HDF 2458335.8367 2018-08-05 08:04 13.686 0.008 Cousins I CCD
18 V1490 CYG HDF 2458335.8407 2018-08-05 08:10 13.678 0.008 Cousins I CCD
19 V1490 CYG HDF 2458335.8447 2018-08-05 08:16 13.672 0.007 Cousins I CCD
20 V1490 CYG HDF 2458335.8481 2018-08-05 08:21 15.484 0.018 Johnson V CCD
21 V1490 CYG AFSA 2458336.4106 2018-08-05 21:51 15.45 N/A Johnson V CCD
22 V1490 CYG AFSA 2458336.4054 2018-08-05 21:43 14.49 N/A Cousins R CCD
23 V1490 CYG AFSA 2458336.3993 2018-08-05 21:35 13.50 N/A Cousins I CCD
24 V1490 CYG MMAO 2458336.3611 2018-08-05 20:39 15.39 N/A Johnson V CCD
25 V1490 CYG LFEA 2458336.4216 2018-08-05 22:07 15.39 N/A Johnson V CCD