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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

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End Date

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Filters

Observation Types

Observer

Separate multiple observers with commas.

Campaign

Campaign overrides targets and dates.

Found 13216 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	RY Tau	FGIA	2456239.3686	2012-11-07 20:50	10.42	0.03	CV	DSLR
2	DR Tau	KSQ	2456238.9778	2012-11-07 11:28	11.235	0.005	Cousins R	CCD
3	DR Tau	KSQ	2456238.9767	2012-11-07 11:26	12.933	0.025	Johnson B	CCD
4	DR Tau	KSQ	2456238.9756	2012-11-07 11:24	11.982	0.020	Johnson V	CCD
5	DR Tau	KSQ	2456238.9140	2012-11-07 09:56	11.196	0.009	Cousins R	CCD
6	DR Tau	KSQ	2456238.9133	2012-11-07 09:55	12.750	0.052	Johnson B	CCD
7	DR Tau	KSQ	2456238.9125	2012-11-07 09:54	11.965	0.024	Johnson V	CCD
8	DN Tau	KSQ	2456238.9118	2012-11-07 09:52	11.314	0.033	Cousins R	CCD
9	DN Tau	KSQ	2456238.9111	2012-11-07 09:52	13.677	0.090	Johnson B	CCD
10	DN Tau	KSQ	2456238.9104	2012-11-07 09:51	12.410	0.030	Johnson V	CCD
11	RY Tau	KSQ	2456238.9097	2012-11-07 09:49	9.576	0.028	Cousins R	CCD
12	RY Tau	KSQ	2456238.9090	2012-11-07 09:49	11.215	0.015	Johnson B	CCD
13	RY Tau	KSQ	2456238.9083	2012-11-07 09:47	10.264	0.004	Johnson V	CCD
14	DR Tau	HGUA	2456238.8768	2012-11-07 09:02	12.045	0.032	Johnson V	CCD
15	DN Tau	HGUA	2456238.8689	2012-11-07 08:51	12.319	0.030	Johnson V	CCD
16	RY Tau	HGUA	2456238.8594	2012-11-07 08:37	10.273	0.039	Johnson V	CCD