C/2017 O1 (ASASSN) (Record n° 18273)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Sep 21 04h40 UT by Cyrille Calvet
(Copyright Cyrille Calvet )r (dist/Sun) 1.535 AU d (dist/Earth) 0.839 AU Instrumental configuration Config2 Instrument TSED110/770 Instrument type Refractor Instrument aperture (0=naked eye) 110 mm Instrument focale length 770 mm Instrument focale/diameter 7 Filter(s) L Camera ZWO ASI MC Sensor CCD Sensor size 17.7x13.4 mm2 Sensor pixels number 4656x3520 Sensor temperature -25 °C Binning 2x2 Mount SW NEQ6 progotio Motorization Yes Autoguide Yes Exposure total time 13200 s Exposure details 44x5mn Sky transparency (naked eye max mag) 3.5 Seeing 1 Location Tautavel 66720 Image processing DSS URL for more information or pictures http://astronomiecyrille.over-blog.com/2017/09/comet-c/2017-o1-asassn-nuit-du-20/21-septembre-2017.html Remarks or comments correcteur de coma TS et filtre Baader Néodymium IR-Cut "Moon and Skyglow" Observation submission date 2017 Sep 22 20h35m39s