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C/2017 M4 (ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2018 Jun 20 22h50 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)15.4
m2 standard deviation0.0
Aperture radius used for m28.1 "
Coma diameter1.05 '
Tail length0.025 °
r (dist/Sun) 3.816 AU
d (dist/Earth) 3.328 AU
Right ascension17 56 28.44 h m s
Declination+45 09 23.4 ° ' "
MPC report
COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2018.06.20 
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
    CK17M040  C2018 06 20.95124 17 56 28.44 +45 09 23.4          15.4 R      C10
    CK17M040  C2018 06 20.97328 17 56 25.53 +45 09 11.9          15.4 R      C10
    CK17M040  C2018 06 20.99606 17 56 22.41 +45 08 59.4          15.4 R      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1140 mm
Instrument focale/diameter3.8
Filter(s)None
CameraST8-XME
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details60 x 60s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2018 Jun 21 05h44m24s
Observation modification date2018 Jun 21 06h19m06s

(Record n° 19253)

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