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C/2017 M4 (ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2018 Jun 10 01h11 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)15.4
m2 standard deviation0.1
Aperture radius used for m26.6 "
Coma diameter0.76 '
Tail length0.01 °
Tail position angle (PA)45 °
r (dist/Sun) 3.865 AU
d (dist/Earth) 3.413 AU
Right ascension18 20 06.16 h m s
Declination+46 19 06.6 ° ' "
MPC report
COD A77
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.20-m f/4 Newtonian reflector + CCD
ACK MPCReport file updated 2018.06.10
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
    CK17M040  C2018 06 10.04932 18 20 06.16 +46 19 06.6          15.4 N      A77
    CK17M040  C2018 06 10.07751 18 20 02.61 +46 18 59.3          15.4 N      A77
    CK17M040  C2018 06 10.10644 18 19 58.83 +46 18 52.5          15.5 N      A77
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length800 mm
Instrument focale/diameter4
Filter(s)None
CameraATIK 314L+
SensorCCD
Sensor temperature-5 °C
Binning1x1
MountAstronomy Equipment AEb
AutoguideNo
Exposure details80 x 60s
Observatory MPC codeA77
LocationDauban (04)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.65 "/pix
Observation submission date2018 Jun 10 10h07m17s
Observation modification date2018 Jun 10 18h13m57s

(Record n° 19221)

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