C/2017 O1 (ASASSN) (Record n° 18205)
Perihelion distance : 1.49 AU
Inclination to ecliptic : 40 °
Orbital period : 6932 years
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2017 Sep 08 07h17 UT by Thierry Noel
(Copyright Thierry Noel)Magnitude (MPC m2) 14.8 Magnitude standard deviation 0.1 Aperture radius for m2 6.4 " r (dist/Sun) 1.585 AU d (dist/Earth) 0.972 AU Right ascension 58.18888 ° Declination +14.02858 ° 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 m2 : 6.4"
ACK MPCReport file updated 2017.09.08 12:22:22
AC2 thierrynoel38a@free.fr
NET Gaia DR1
CK17O010 C2017 09 08.30373 03 52 45.33 +14 01 42.9 14.7 N W96
CK17O010 C2017 09 08.30912 03 52 45.85 +14 01 57.4 14.8 N W96
CK17O010 C2017 09 08.31450 03 52 46.25 +14 02 12.0 14.8 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 Camera QSI 532ws-M1 Sensor CCD Sensor temperature -30 °C Binning 3x3 Autoguide No Exposure details 25x30s Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog (ast) Gaia DR1
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.59 "/pix Image processing Astrometrica (-dark, /flat, add), Iris (gradient, levels, ddp, crop) Observation submission date 2017 Sep 08 12h24m25s Observation modification date 2017 Sep 09 00h40m05s