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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 88 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 SN 1999EM TOZ 2451483.5000 1999-11-01 00:00 13.7 N/A Visual Visual
2 SN 1999EM KRK 2451483.9000 1999-11-01 09:35 13.77 N/A Johnson V CCD
3 SN 1999EM DPV 2451484.4688 1999-11-01 23:15 13.7 N/A Visual Visual
4 SN 1999EM MLF 2451484.4950 1999-11-01 23:52 13.4 N/A Visual Visual
5 SN 1999EM HTB 2451484.5000 1999-11-02 00:00 13.7 N/A Visual Visual
6 SN 1999EM TUB 2451484.5000 1999-11-02 00:00 13.7 N/A Visual Visual
7 SN 1999EM HUZ 2451484.8167 1999-11-02 07:36 13.4 N/A Visual Visual
8 SN 1999EM KRK 2451484.9000 1999-11-02 09:35 13.83 N/A Johnson V CCD
9 SN 1999EM MLF 2451485.4000 1999-11-02 21:35 13.4 N/A Visual Visual
10 SN 1999EM CMG 2451485.4340 1999-11-02 22:24 13.2 N/A Visual Visual
11 SN 1999EM MUY 2451485.4340 1999-11-02 22:24 13.1 N/A Visual Visual
12 SN 1999EM MGH 2451485.4965 1999-11-02 23:54 12.8 N/A Visual Visual
13 SN 1999EM OJR 2451485.6600 1999-11-03 03:50 13.4 N/A Visual Visual
14 SN 1999EM KRB 2451485.7222 1999-11-03 05:19 13.1 N/A Visual Visual
15 SN 1999EM RR 2451485.8000 1999-11-03 07:11 13.3 N/A Johnson V CCD
16 SN 1999EM KRK 2451485.9000 1999-11-03 09:35 13.79 N/A Johnson V CCD
17 SN 1999EM GPA 2451486.5100 1999-11-04 00:14 12.6 N/A Visual Visual
18 SN 1999EM MLF 2451486.5300 1999-11-04 00:43 13.3 N/A Visual Visual
19 SN 1999EM CGF 2451487.6354 1999-11-05 03:14 13.4 N/A Visual Visual
20 SN 1999EM MRV 2451487.6944 1999-11-05 04:39 13.7 N/A Visual Visual
21 SN 1999EM HUZ 2451487.8403 1999-11-05 08:10 13.7 N/A Visual Visual
22 SN 1999EM BMU 2451488.4470 1999-11-05 22:43 13.2 N/A Visual Visual
23 SN 1999EM HTB 2451488.5000 1999-11-06 00:00 13.9 N/A Visual Visual
24 SN 1999EM SKI 2451488.5000 1999-11-06 00:00 14.1 N/A Visual Visual
25 SN 1999EM TUB 2451488.5000 1999-11-06 00:00 13.9 N/A Visual Visual