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COMET OBSERVATIONS

Comet/Object
Begin
End
Observer
Observatory
Configuration


C/2021 U4 (Leonard)

Orbital period : 330.40 years

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
243302021 11 08.059527.58471C/2021 U4 (Leonard) 1.871 0.993Pict--20.1 --- - -350L --X03ptraverse

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