Comet observations table

COMET OBSERVATIONS

Comet/Object	Begin		End		Observer	Observatory	Configuration

C/2019 Y4-B (ATLAS)

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

22012	2020 05 18.8	58989.37976	C/2019 Y4-B (ATLAS)	0.484	0.802	Pict	-	12.4	-	-	-	-	-	-	250	L	0.41	-	C10	jfsoulier
21927	2020 04 23.8	58964.39511	C/2019 Y4-B (ATLAS)	1.048	0.964	Pict	-	-	16	-	-	-	-	-	250	L	-	6	C10	jfsoulier