C/2018 EF9 (Lemmon) (Record n° 19195)
Orbital period : 11367.00 years
NASA/JPL elements
IAU/MPC elements
On 2018 May 19 21h02 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18.6 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " r (dist/Sun) 1.558 AU d (dist/Earth) 1.656 AU Right ascension 06 16 55.85 h m s Declination +84 47 29.5 ° ' " MPC report COD C10
CON J.-F. 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 2018.05.19
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK18E09F KC2018 05 19.87611 06 16 55.85 +84 47 29.5 18.7 N C10
CK18E09F KC2018 05 19.91013 06 16 42.91 +84 47 19.7 18.5 N 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 Yes Exposure details 10 x 180s 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 2018 May 20 00h24m34s Observation modification date 2018 May 20 00h33m17s