Home

COMET OBSERVATIONS

Comet/Object
 Begin
 End
 Observer
 Observatory
 Configuration


C/2025 J1 (Borisov)


NASA/JPL elements
IAU/MPC elements

Magnitude and Afrho plots

MPC reports dump

ICQ reports dump

Pictures gallery

Spectrums gallery

Statistics



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
309672026 02 20.861093.34231C/2025 J1 (Borisov) 3.721 3.351Pict--17.5 --- - -250L -6.4Y87jgbosch
309622026 02 17.861090.30639C/2025 J1 (Borisov) 3.728 3.324Pict--16.7 --- - -400L -5.95A77fkugel
305732025 12 10.061020.54791C/2025 J1 (Borisov)--Pict--17.2 --- - -250L ---jvilhem
305942025 12 08.961019.41512C/2025 J1 (Borisov) 3.952 3.452Pict--16.5 --- - -230T --247csartini
304792025 11 25.161005.69513C/2025 J1 (Borisov) 4.002 3.616Pict--14.8 --- - -400L -5.95A77fkugel
303722025 11 13.260993.7243C/2025 J1 (Borisov)--Pict--17.5 --- - -250L ---jvilhem
298862025 08 03.960892.44084C/2025 J1 (Borisov)--Pict--18.5 --- - -250L -6.4Y87jgbosch
298552025 07 30.960888.41093C/2025 J1 (Borisov)4.5525.004Pict--18.6 --- - -250L -6.4Y87jgbosch
297792025 07 09.960867.43905C/2025 J1 (Borisov) 4.610 5.062Pict--18.7 --- - -250L -6.4Y87jgbosch
297552025 07 01.060858.54726C/2025 J1 (Borisov) 4.708 5.120Pict--18.9 --- - -250L -6.4Y87jgbosch

Home