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	2458503.5778	2019-01-20 01:52	13.443	0.010	CV	CCD
2	R Per	CDAD	2458502.7095	2019-01-19 05:01	13.462	0.010	CV	CCD
3	R Per	CDAD	2458501.5682	2019-01-18 01:38	13.468	0.011	CV	CCD
4	R Per	SRIC	2458498.6464	2019-01-15 03:30	8.649	0.027	Cousins I	CCD
5	R Per	SRIC	2458498.6454	2019-01-15 03:29	11.196	0.007	Cousins R	CCD
6	R Per	SRIC	2458498.6429	2019-01-15 03:25	14.037	0.005	Johnson V	CCD
7	R Per	SRIC	2458495.6541	2019-01-12 03:41	11.190	0.006	Cousins R	CCD
8	R Per	SRIC	2458495.6514	2019-01-12 03:38	13.979	0.005	Johnson V	CCD
9	R Per	CDAD	2458495.5732	2019-01-12 01:45	13.381	0.010	CV	CCD
10	R Per	MDW	2458495.5544	2019-01-12 01:18	14.14	0.03	Johnson V	CCD
11	R Per	RRIA	2458494.4880	2019-01-10 23:42	<12.5	N/A	Visual	Visual
12	R Per	SRIC	2458491.6660	2019-01-08 03:59	8.630	0.010	Cousins I	CCD
13	R Per	SRIC	2458491.6646	2019-01-08 03:57	11.088	0.005	Cousins R	CCD
14	R Per	SRIC	2458491.6619	2019-01-08 03:53	13.867	0.004	Johnson V	CCD
15	R Per	RRIA	2458489.5130	2019-01-06 00:18	<12.5	N/A	Visual	Visual
16	R Per	CDAD	2458488.5633	2019-01-05 01:31	13.225	0.009	CV	CCD
17	R Per	CDAD	2458487.5686	2019-01-04 01:38	13.171	0.009	CV	CCD
18	R Per	BFO	2458487.3000	2019-01-03 19:11	14.2	N/A	Visual	Visual
19	R Per	RRIA	2458479.5230	2018-12-27 00:33	<12.5	N/A	Visual	Visual
20	R Per	CDAD	2458477.6420	2018-12-25 03:24	12.731	0.007	CV	CCD
21	R Per	CDAD	2458476.6231	2018-12-24 02:57	12.697	0.007	CV	CCD
22	R Per	CDAD	2458473.5901	2018-12-21 02:09	12.545	0.006	CV	CCD
23	R Per	CDAD	2458471.6986	2018-12-19 04:45	12.456	0.006	CV	CCD
24	R Per	DSN	2458469.6939	2018-12-17 04:39	12.724	0.021	Johnson V	CCD
25	R Per	DSN	2458469.6865	2018-12-17 04:28	14.421	0.049	Johnson B	CCD