C/2017 O1 (ASASSN) (Record n° 18024)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Aug 04 08h52 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 13.7 m2 standard deviation 0.1 Aperture radius used for m2 6.4 " r (dist/Sun) 1.799 AU d (dist/Earth) 1.467 AU Right ascension 02 58 49.45 h m s Declination -04 55 00.5 ° ' " 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 2017.08.04 13:49:02
AC2 thierrynoel38a@free.fr
NET Gaia DR1
CK17O010 C2017 08 04.36935 02 58 49.45 -04 55 00.5 13.8 N W96
CK17O010 C2017 08 04.38047 02 58 50.46 -04 54 45.2 13.7 N W96
CK17O010 C2017 08 04.39158 02 58 51.51 -04 54 29.5 13.7 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 Camera QHY9 Sensor CCD Sensor temperature -20 °C Binning 3x3 Mount VMA 200 Autoguide No Exposure details 29x1mn 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, /flat), Astrometrica (add), Iris (gradient, levels, ddp, crop) Observation submission date 2017 Aug 04 13h51m07s Observation modification date 2017 Aug 05 10h17m20s