C/2017 O1 (ASASSN) (Record n° 18407)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Oct 23 23h45 UT by Cyrille Calvet
(Copyright Cyrille Calvet )r (dist/Sun) 1.503 AU d (dist/Earth) 0.725 AU Instrumental configuration Config2 Instrument TS ED Instrument type Refractor Instrument aperture (0=naked eye) 110 mm Instrument focale length 770 mm Instrument focale/diameter 7 Filter(s) IDAS LPS Camera ZWO ASI 1600 MC Color Sensor CCD Sensor size 17.7x13.4 mm2 Sensor pixels number 4656x3520 Sensor temperature -25 °C Binning 2x2 Mount SW NEQ6 Pro/Goto Motorization Yes Autoguide Yes Exposure total time 1500 s Exposure details 5x5mn Sky transparency (naked eye max mag) 2.5 Seeing 4 Location Tautavel 66720 Image processing DSS URL for more information or pictures http://astronomiecyrille.over-blog.com/2017/10/comete-c/2017-o1-asassn-nuit-du-23-24-octobre-2017.html Observation submission date 2017 Oct 24 10h16m13s