C/2017 O1 (ASASSN) (Record n° 18328)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Oct 06 06h54 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 14.6 m2 standard deviation 0.1 Aperture radius used for m2 6.4 " r (dist/Sun) 1.504 AU d (dist/Earth) 0.743 AU Right ascension 04 31 25.61 h m s Declination +41 02 51.1 ° ' " 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 2017.10.06 11:00:49
AC2 thierrynoel38a@free.fr
NET Gaia DR1
CK17O010 C2017 10 06.28782 04 31 25.61 +41 02 51.1 14.7 N W96
CK17O010 C2017 10 06.31904 04 31 27.77 +41 05 00.8 14.6 N W96
CK17O010 C2017 10 06.33442 04 31 28.87 +41 06 03.9 14.6 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 -10 °C Binning 3x3 Mount Nova Autoguide No Exposure details 39x30s Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog Gaia DR1
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.59 "/pix Image processing Prism (-dark -20°C, /flat), Astrometrica (add), Iris (crop, gradient, level) Observation submission date 2017 Oct 06 11h03m37s Observation modification date 2017 Oct 06 11h39m08s