Comet observations table

COMET OBSERVATIONS

Comet/Object	Begin		End		Observer	Observatory	Configuration

91P/Russell

Orbital period : 7.70 years

NASA/JPL elements
IAU/MPC elements

Magnitude and Afrho plots

Num	Date [TU]	Julian day -2400000	Comet/Object Name	r (/Sun) [AU]	d (/Earth) [AU]	Pict	Spec	Coma Total mag (m1)	Nuclear mag (m2)	Coma diameter [']	Coma conden sation	Tail length [°]	Tail position angle [°]	Afrho [cm]	Instr diameter [mm]	Instr	m1 aperture radius [']	m2 aperture radius ["]	Obs MPC code	Who

23571	2021 07 08.0	59404.53374	91P/Russell	2.967	2.033	Pict	-	-	19.8	-	-	-	-	-	400	L	-	5.8	A77	fkugel
21900	2020 04 14.9	58955.4874	91P/Russell	2.887	1.958	Pict	-	-	19.7	-	-	-	-	-	350	L	-	5.6	X03	jlvirlichie