C/2017 O1 (ASASSN) (Record n° 18227)
Perihelion distance : 1.49 AU
Inclination to ecliptic : 40 °
Orbital period : 6932 years
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2017 Sep 15 09h12 UT by Thierry Noel
(Copyright Thierry Noel)Coma Total magnitude (m1) 12.1 Aperture radius for m1 0.8 ' Magnitude (MPC m2) 14.7 Magnitude standard deviation 0.0 Aperture radius for m2 6.4 " r (dist/Sun) 1.556 AU d (dist/Earth) 0.896 AU Right ascension 60.76779 ° Declination +19.72894 ° MPC report COD W96
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, J.-B. de Vanssay, T. Noel
MEA T. Noel
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
COM Aperture radius for m1 m2 : 0.8' 6.4"
ACK MPCReport file updated 2017.09.15 13:36:11
AC2 thierrynoel38a@free.fr
NET Gaia DR1
CK17O010 C2017 09 15.38365 04 03 04.27 +19 43 44.2 14.7 N W96
CK17O010 C2017 09 15.39014 04 03 04.81 +19 44 04.3 12.1 T W96
CK17O010 C2017 09 15.39617 04 03 05.28 +19 44 23.0 14.7 N W96
Instrument Marcon RC 400 Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2160 mm Instrument focale/diameter 5.4 Filter None Camera QSI 532ws-M1 Sensor CCD Sensor temperature -30 °C Binning 3x3 Mount VMA 200 Autoguide No Exposure details 25x30s Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog (ast) Gaia DR1
Resulting picture sampling (scale) 1.59 "/pix Image processing Prism (-dark, /flat), Astrometrica (add), Iris (gradient, levels, ddp, crop) Observation submission date 2017 Sep 15 13h41m04s Observation modification date 2017 Sep 15 13h51m20s