C/2017 O1 (ASASSN) (Record n° 18205)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Sep 08 07h17 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 14.8 m2 standard deviation 0.1 Aperture radius used for m2 6.4 " r (dist/Sun) 1.585 AU d (dist/Earth) 0.972 AU Right ascension 03 52 45.33 h m s Declination +14 01 42.9 ° ' " 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 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