C/2017 S6 (Catalina) (Record n° 18680)
NASA/JPL elements
IAU/MPC elements
On 2017 Dec 23 17h21 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 16.5 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 18.6 m2 standard deviation 0.1 Aperture radius used for m2 6.4 " Coma diameter 1 ' r (dist/Sun) 1.787 AU d (dist/Earth) 1.491 AU Right ascension 23 04 44.51 h m s Declination +30 00 08.6 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.4-m f/3 reflector + CCD
ACK MPCReport file updated 2017.12.24 00:30:41
AC2 fkugel@wanadoo.fr
NET UCAC-4
CK17S060 KC2017 12 23.72292 23 04 44.51 +30 00 08.6 18.7 N A77
CK17S060 KC2017 12 23.73170 23 04 43.83 +29 59 44.0 18.5 N A77
CK17S060 KC2017 12 23.73870 23 04 43.28 +29 59 23.6 18.5 N A77
CK17S060 KC2017 12 23.74570 23 04 42.71 +29 59 03.4 18.6 N A77
Instrumental configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1200 mm Instrument focale/diameter 3 Filter(s) L Camera ATIK460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade MCMT-TDM Exposure details 11x45s Observatory MPC code A77 Reference stars catalog UCAC-4
Image resize factor 1 Resulting picture sampling (scale) 0.8 "/pix Remarks or comments mag = 16.5 (dia = 0.4') Observation submission date 2017 Dec 24 08h17m55s Observation modification date 2017 Dec 24 18h08m22s