C/2017 S6 (Catalina) (Record n° 18684)
NASA/JPL elements
IAU/MPC elements
On 2017 Dec 23 18h48 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 16.6 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 18.3 m2 standard deviation 0.2 Aperture radius used for m2 6.6 " r (dist/Sun) 1.787 AU d (dist/Earth) 1.491 AU Right ascension 23 04 39.75 h m s Declination +29 57 14.7 ° ' " MPC report COD A77
CON JEAN-FRANCOIS 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 2017.12.23
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK17S060 KC2017 12 23.78316 23 04 39.75 +29 57 14.7 18.2 N A77
CK17S060 KC2017 12 23.82586 23 04 36.29 +29 55 09.8 18.1 N A77
CK17S060 KC2017 12 23.86852 23 04 32.89 +29 53 04.9 18.5 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 -20 °C Binning 1x1 Mount Astronomy Equipment AEb Autoguide No Exposure details 120 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 2017 Dec 24 12h33m00s Observation modification date 2017 Dec 24 18h19m52s