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COMET OBSERVATIONS

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C/2017 M4 (ATLAS)


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
182512017 09 18.958016.40805C/2017 M4 (ATLAS) 5.463 5.289Pict--17.5 --- - -410L -5.6A77jnicolas
182202017 09 13.858011.31164C/2017 M4 (ATLAS) 5.496 5.315Pict--17.2 --- - -400L -6.56A77fkugel
181002017 08 21.957988.41786C/2017 M4 (ATLAS) 5.646 5.473---17.6 --- - -200L -6.25K25larnold
180872017 08 20.957987.40827C/2017 M4 (ATLAS) 5.653 5.482---17.5 --- - -200L -6.25K25larnold

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