C/2017 O1 (ASASSN) (Record n° 18227)
Orbital period : 6932.00 years
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 used for m1 0.8 ' Nuclear magnitude (m2) 14.7 m2 standard deviation 0.0 Aperture radius used for m2 6.4 " r (dist/Sun) 1.556 AU d (dist/Earth) 0.896 AU Right ascension 04 03 04.27 h m s Declination +19 43 44.2 ° ' " 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(s) 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 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