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C/2018 EF9 (Lemmon)

Orbital period : 11367.00 years

NASA/JPL elements
IAU/MPC elements


On 2018 May 15 21h10 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)18.3
m2 standard deviation0.1
Aperture radius used for m28.1 "
Coma diameter2.3 '
r (dist/Sun) 1.561 AU
d (dist/Earth) 1.620 AU
Right ascension06 45 13.42 h m s
Declination+85 05 16.7 ° ' "
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 2018.05.15
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
    CK18E09F KC2018 05 15.88221 06 45 13.42 +85 05 16.7          18.2 N      A77
    CK18E09F KC2018 05 15.90556 06 45 01.68 +85 05 09.3          18.5 N      A77
    CK18E09F KC2018 05 15.92816 06 44 51.25 +85 05 03.6          18.3 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-10 °C
Binning1x1
MountAstronomy Equipment AEb
AutoguideNo
Exposure details60 x 60s
Observatory MPC codeA77
LocationDauban (04)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.65 "/pix
Observation submission date2018 May 16 00h41m01s
Observation modification date2018 May 16 01h07m30s

(Record n° 19162)

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