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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 7107 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 HT Cas SFY 2453777.2880 2006-02-10 18:54 17.1 N/A Visual CCD
2 HT Cas CGF 2453776.5000 2006-02-10 00:00 <13.9 N/A Visual Visual
3 HT Cas PYG 2453776.3530 2006-02-09 20:28 <14.8 N/A Visual Visual
4 HT Cas SFY 2453776.2764 2006-02-09 18:38 17.1 N/A Visual Visual
5 HT Cas SFY 2453776.2760 2006-02-09 18:37 17.1 N/A Visual CCD
6 Z Cha PAW 2453776.0097 2006-02-09 12:13 <12.8 N/A Visual Visual
7 HT Cas CTX 2453775.7167 2006-02-09 05:12 <16.2 0.05 Johnson V CCD
8 HT Cas PTQ 2453775.6354 2006-02-09 03:14 <14.8 N/A Visual Visual
9 HT Cas RFA 2453775.5919 2006-02-09 02:12 <14.3 N/A Visual Visual
10 HT Cas CMP 2453775.5687 2006-02-09 01:38 16.7 0.3 Johnson V CCD
11 OY Car MDJ 2453775.5660 2006-02-09 01:35 14.85 N/A CR CCD
12 HT Cas PYG 2453775.3040 2006-02-08 19:17 <14.8 N/A Visual Visual
13 HT Cas SFY 2453775.2771 2006-02-08 18:39 17.1 N/A Visual Visual
14 HT Cas SFY 2453775.2770 2006-02-08 18:38 17.1 N/A Visual CCD
15 HT Cas MUY 2453775.2701 2006-02-08 18:28 <13.9 N/A Visual Visual
16 OY Car PAW 2453775.0167 2006-02-08 12:24 <12.8 N/A Visual Visual
17 OY Car MTH 2453775.0104 2006-02-08 12:14 <12.7 N/A Visual Visual
18 Z Cha PAW 2453775.0076 2006-02-08 12:10 <13.3 N/A Visual Visual
19 HT Cas BRJ 2453774.5100 2006-02-08 00:14 <14.0 N/A Visual Visual
20 HT Cas CGF 2453774.5000 2006-02-08 00:00 <13.9 N/A Visual Visual
21 HT Cas DPV 2453773.2424 2006-02-06 17:49 <13.9 N/A Visual Visual
22 Z Cha PAW 2453772.9993 2006-02-06 11:58 <13.0 N/A Visual Visual
23 HT Cas PTQ 2453772.6632 2006-02-06 03:55 <14.8 N/A Visual Visual
24 HT Cas OJR 2453772.3181 2006-02-05 19:38 <13.6 N/A Visual Visual
25 HT Cas GMZ 2453772.3099 2006-02-05 19:26 17.24 0.10 Johnson V CCD