C/2018 EF9 (Lemmon) (Record n° 19162)
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 deviation 0.1 Aperture radius used for m2 8.1 " Coma diameter 2.3 ' r (dist/Sun) 1.561 AU d (dist/Earth) 1.620 AU Right ascension 06 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 type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 800 mm Instrument focale/diameter 4 Filter(s) None Camera ATIK 314L+ Sensor CCD Sensor temperature -10 °C Binning 1x1 Mount Astronomy Equipment AEb Autoguide No Exposure details 60 x 60s Observatory MPC code A77 Location Dauban (04) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.65 "/pix Observation submission date 2018 May 16 00h41m01s Observation modification date 2018 May 16 01h07m30s