Comet observations table

COMET OBSERVATIONS

Comet/Object	Begin		End		Observer	Observatory	Configuration

A/2025 Y1

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

31125	2026 03 19.0	61119.58233	A/2025 Y1	6.059	5.106	Pict	-	-	16.8	-	-	-	-	-	400	L	-	5.95	A77	fkugel
31112	2026 03 16.9	61117.45886	A/2025 Y1	6.082	5.144	Pict	-	-	16.7	-	-	-	-	-	250	L	-	6.4	Y87	jgbosch
31097	2026 03 12.9	61113.44527	A/2025 Y1	6.111	5.199	Pict	-	-	16.9	-	-	-	-	-	250	L	-	6.4	Y87	jgbosch
31068	2026 03 10.0	61110.56736	A/2025 Y1	-	-	Pict	-	-	17.7	-	-	-	-	-	203	T	-	-	247	jvilhem
30935	2026 01 27.2	61068.77914	A/2025 Y1	6.441	6.051	Pict	-	-	18.1	-	-	-	-	-	350	L	-	6	X03	ptraverse