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C/2017 E4 (Lovejoy)

Orbital period : 17872.00 years

NASA/JPL elements
IAU/MPC elements


On 2017 Apr 18 02h54 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)11.3
Aperture radius used for m10.64 '
Nuclear magnitude (m2)13.2
m2 standard deviation0.2
Aperture radius used for m28.1 "
Coma diameter3 '
Tail length0.4 °
Tail position angle (PA)310 °
r (dist/Sun) 0.510 AU
d (dist/Earth) 0.938 AU
Right ascension00 33 36.52 h m s
Declination+36 22 10.3 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS 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 2017.04.18
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
    CK17E040 KC2017 04 18.12070 00 33 36.52 +36 22 10.3          13.0 N      C10
    CK17E040 KC2017 04 18.13244 00 33 42.82 +36 22 21.2          13.4 N      C10
    CK17E040 KC2017 04 18.13744 00 33 44.78 +36 22 35.0          11.3 T      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-25 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details18 x 20s
Observatory MPC codeC10
LocationSeine et Marne (77)
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.62 "/pix
Observation submission date2017 Apr 18 07h02m22s
Observation modification date2017 Apr 18 08h22m23s

(Record n° 17541)

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