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Observation Summary for Variable Star MARKARIAN 501

Total observations:	63		Minimum magnitude:	13.900	Maximum magnitude:	13.000
First observation:	JD 2452020.632000	\	21 Apr 2001 03:10:04.800000 UT	Latest observation:	JD 2459720.503000	\	21 May 2022 00:04:19.200000 UT

Observation Method	Number of Observations
Visual	63

Observer Id	Observer Name	Number of Observations	First Observation JD / UT	Latest Observation JD / UT	Minimum Magnitude	Maximum Magnitude
TJ	J Toone	57	2452020.632000 21 Apr 2001 03:10:04.800000	2459720.503000 21 May 2022 00:04:19.200000	13.900	13.400
NWH	N White	3	2457155.458000 12 May 2015 22:59:31.200000	2457276.361000 10 Sep 2015 20:39:50.400000	13.800	13.700
MD	R W Middleton	3	2452493.402800 6 Aug 2002 21:40:01.920000	2452528.367400 10 Sep 2002 20:49:03.360000	13.200	13.000