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

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Filters

Observation Types

Observer

Separate multiple observers with commas.

Campaign

Campaign overrides targets and dates.

Found 756 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	R Per	CDAD	2458534.6081	2019-02-20 02:35	11.849	0.004	CV	CCD
2	R Per	CDAD	2458533.6203	2019-02-19 02:53	11.922	0.004	CV	CCD
3	R Per	CDAD	2458532.6144	2019-02-18 02:44	12.056	0.005	CV	CCD
4	R Per	MZK	2458531.5347	2019-02-17 00:49	10.176	0.028	Cousins R	CCD
5	R Per	MZK	2458531.5332	2019-02-17 00:47	12.609	0.027	Johnson V	CCD
6	R Per	PEG	2458529.5000	2019-02-15 00:00	<12.6	N/A	Visual	Visual
7	R Per	CDAD	2458526.6003	2019-02-12 02:24	12.593	0.007	CV	CCD
8	R Per	CDAD	2458525.6761	2019-02-11 04:13	12.629	0.007	CV	CCD
9	R Per	MZK	2458524.5324	2019-02-10 00:46	10.670	0.031	Cousins R	CCD
10	R Per	MZK	2458524.5317	2019-02-10 00:45	13.338	0.021	Johnson V	CCD
11	R Per	CDAD	2458523.5876	2019-02-09 02:06	12.871	0.008	CV	CCD
12	R Per	TPS	2458522.4000	2019-02-07 21:35	<13.0	N/A	Visual	Visual
13	R Per	BFO	2458522.3200	2019-02-07 19:40	14.1	N/A	Visual	Visual
14	R Per	MZK	2458520.5232	2019-02-06 00:33	13.397	0.044	Johnson V	CCD
15	R Per	PEG	2458520.5000	2019-02-06 00:00	<12.3	N/A	Visual	Visual
16	R Per	CDAD	2458516.6097	2019-02-02 02:38	13.279	0.011	CV	CCD
17	R Per	CDAD	2458515.6451	2019-02-01 03:28	13.266	0.010	CV	CCD
18	R Per	SRIC	2458512.6078	2019-01-29 02:35	8.586	0.031	Cousins I	CCD
19	R Per	SRIC	2458512.6069	2019-01-29 02:33	11.136	0.007	Cousins R	CCD
20	R Per	SRIC	2458512.6044	2019-01-29 02:30	13.971	0.005	Johnson V	CCD
21	R Per	RRIA	2458509.4930	2019-01-25 23:49	<12.5	N/A	Visual	Visual
22	R Per	CDAD	2458508.7298	2019-01-25 05:30	13.431	0.010	CV	CCD
23	R Per	CDAD	2458507.6781	2019-01-24 04:16	13.496	0.010	CV	CCD
24	R Per	CDAD	2458506.6098	2019-01-23 02:38	13.474	0.010	CV	CCD
25	R Per	CDAD	2458504.7364	2019-01-21 05:40	13.463	0.027	CV	CCD