Search Data

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Search Data

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.

Target(s)

Enter list of star names, comma separated.

Start Date

Enter a date in natural language, jd, or utc format.

End Date

Enter a date in natural language, jd, or utc format.

Filters

Observation Types

Observer

Separate multiple observers with commas.

Campaign

Campaign overrides targets and dates.

Found 7015 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	CH Cyg	SGOR	2456046.8453	2012-04-29 08:17	8.958	0.006	Johnson B	CCD
2	CH Cyg	SGOR	2456046.8449	2012-04-29 08:16	7.477	0.005	Johnson V	CCD
3	CH Cyg	SGOR	2456046.8444	2012-04-29 08:15	8.969	0.006	Johnson B	CCD
4	CH Cyg	SGOR	2456046.8440	2012-04-29 08:15	7.505	0.005	Johnson V	CCD
5	CH Cyg	SGOR	2456046.8435	2012-04-29 08:14	8.987	0.006	Johnson B	CCD
6	CH Cyg	SGOR	2456046.8431	2012-04-29 08:14	7.488	0.005	Johnson V	CCD
7	CH Cyg	SGOR	2456046.8425	2012-04-29 08:13	8.977	0.006	Johnson B	CCD
8	CH Cyg	SGOR	2456046.8421	2012-04-29 08:12	7.491	0.005	Johnson V	CCD
9	CH Cyg	SGOR	2456046.8416	2012-04-29 08:11	8.985	0.006	Johnson B	CCD
10	CH Cyg	SGOR	2456046.8412	2012-04-29 08:11	7.494	0.005	Johnson V	CCD
11	CH Cyg	SGOR	2456046.8407	2012-04-29 08:10	8.995	0.006	Johnson B	CCD
12	CH Cyg	SGOR	2456046.8403	2012-04-29 08:10	7.508	0.005	Johnson V	CCD
13	CH Cyg	SGOR	2456046.8397	2012-04-29 08:09	8.979	0.006	Johnson B	CCD
14	CH Cyg	SGOR	2456046.8394	2012-04-29 08:08	7.498	0.005	Johnson V	CCD
15	CH Cyg	SGOR	2456046.8388	2012-04-29 08:07	8.980	0.006	Johnson B	CCD
16	CH Cyg	SGOR	2456046.8384	2012-04-29 08:07	7.487	0.005	Johnson V	CCD
17	CH Cyg	SGOR	2456046.8379	2012-04-29 08:06	8.976	0.006	Johnson B	CCD
18	CH Cyg	SGOR	2456046.8375	2012-04-29 08:06	7.510	0.005	Johnson V	CCD
19	CH Cyg	SGOR	2456046.8369	2012-04-29 08:05	8.995	0.006	Johnson B	CCD
20	CH Cyg	SGOR	2456046.8365	2012-04-29 08:04	7.489	0.005	Johnson V	CCD
21	CH Cyg	SGOR	2456046.8359	2012-04-29 08:03	8.978	0.006	Johnson B	CCD
22	CH Cyg	SGOR	2456046.8355	2012-04-29 08:03	7.475	0.005	Johnson V	CCD
23	CH Cyg	SGOR	2456046.8350	2012-04-29 08:02	8.965	0.006	Johnson B	CCD
24	CH Cyg	SGOR	2456046.8346	2012-04-29 08:01	7.480	0.005	Johnson V	CCD
25	CH Cyg	SGOR	2456046.8341	2012-04-29 08:01	8.990	0.006	Johnson B	CCD