C/2017 E4 (Lovejoy) (Record n° 17541)
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 m1 0.64 ' Nuclear magnitude (m2) 13.2 m2 standard deviation 0.2 Aperture radius used for m2 8.1 " Coma diameter 3 ' Tail length 0.4 ° Tail position angle
(PA) 310 ° r (dist/Sun) 0.510 AU d (dist/Earth) 0.938 AU Right ascension 00 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 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 -25 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 18 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 Observation submission date 2017 Apr 18 07h02m22s Observation modification date 2017 Apr 18 08h22m23s