Comet observations table

COMET OBSERVATIONS

Comet/Object	Begin		End		Observer	Observatory	Configuration

47P/Ashbrook-Jackson

Orbital period : 8.37 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

18237	2017 09 17.2	58014.73832	47P/Ashbrook-Jackson	2.875	1.997	Pict	-	-	17.1	-	-	-	-	-	400	Y	-	6.4	W96	jgbosch
18228	2017 09 15.2	58012.79592	47P/Ashbrook-Jackson	2.873	2.010	Pict	-	-	17	-	-	-	-	-	400	Y	-	6.4	W96	tnoel
18166	2017 08 31.9	57998.47607	47P/Ashbrook-Jackson	2.857	2.128	Pict	-	-	17.6	-	-	-	-	-	300	L	-	4.9	C10	jfsoulier
18119	2017 08 25.1	57991.62176	47P/Ashbrook-Jackson	2.852	2.186	Pict	-	-	17.3	-	-	-	-	-	400	L	-	4	A77	fkugel
18080	2017 08 19.2	57985.77725	47P/Ashbrook-Jackson	2.847	2.248	Pict	-	-	17.7	-	-	-	-	-	400	Y	-	6.4	W96	jgbosch
18000	2017 07 29.2	57964.77485	47P/Ashbrook-Jackson	2.832	2.489	Pict	-	-	17.4	-	-	-	-	-	400	Y	-	6.4	W96	jgbosch