C/2017 O1 (ASASSN) (Record n° 17970)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Jul 21 06h57 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.2 m2 standard deviation 0.0 Aperture radius used for m2 6.4 " Coma diameter 3.06 ' r (dist/Sun) 1.907 AU d (dist/Earth) 1.693 AU Right ascension 02 36 01.94 h m s Declination -09 54 14.0 ° ' " MPC report COD W96
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS A. Maury, J.-B. Vanssay, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
ACK MPCReport file updated 2017.07.21
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
CK17O010 C2017 07 21.28964 02 36 01.94 -09 54 14.0 15.2 R W96
CK17O010 C2017 07 21.31935 02 36 04.82 -09 53 39.5 15.2 R W96
CK17O010 C2017 07 21.34983 02 36 07.76 -09 53 04.2 15.2 R W96
CK17O010 C2017 07 21.36660 02 36 09.38 -09 52 44.8 15.2 R W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2160 mm Instrument focale/diameter 5.4 Filter(s) None Camera QSI Sensor CCD Sensor temperature -30 °C Binning 3x3 Mount VMA 200 Autoguide No Exposure details 20 x 60s Observatory MPC code W96 Location San Pedro d Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.59 "/pix Observation submission date 2017 Jul 25 06h41m04s Observation modification date 2017 Jul 25 18h41m19s