C/2017 E4 (Lovejoy) (Record n° 17503)
Orbital period : 17872.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Apr 13 03h02 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 9.9 Aperture radius used for m1 0.8 ' Coma diameter 3.20 ' Tail length 0.28 ° Tail position angle
(PA) 300 ° r (dist/Sun) 0.553 AU d (dist/Earth) 0.797 AU Right ascension 23 46 26.98 h m s Declination +33 13 22.4 ° ' " 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 2017.04.13
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK17E040 C2017 04 13.12607 23 46 26.98 +33 13 22.4 9.9 T C10
CK17E040 C2017 04 13.13743 23 46 33.82 +33 14 02.5 9.8 T C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) None Camera ST8-XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 46 x 20s Observatory MPC code C10 Location Seine et Marne (77) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.62 "/pix Image processing G.R. : 20° Observation submission date 2017 Apr 13 05h47m29s Observation modification date 2017 Apr 13 07h22m22s