71P/Clark (Record n° 17839)
Orbital period : 5.56 years
NASA/JPL elements
IAU/MPC elements
On 2017 Jun 10 23h35 UT by Cyrille Calvet
(Copyright Cyrille Calvet )Coma Total magnitude (m1) 11.2 r (dist/Sun) 1.598 AU d (dist/Earth) 0.590 AU Instrumental configuration Config1 Instrument TS ED 110/770 Instrument type Refractor Instrument aperture (0=naked eye) 110 mm Instrument focale length 770 mm Instrument focale/diameter 7 Filter(s) None Camera ZWO 1600ASI MC cooled Sensor CCD Sensor size 17.7 x 13.4 mm2 Sensor pixels number 4656 x 3520 pixels Sensor temperature -25 °C Binning 1x1 Mount SW EQ6 progoto Motorization Yes Autoguide Yes Exposure total time 1500 s Exposure details 5x5mn Sky transparency (naked eye max mag) 2 Seeing 3 Location Tautavel 66720 France Used softwares MAXIMDL Resulting picture sampling (scale) 1.02 "/pix Image processing dss URL for more information or pictures http://astronomiecyrille.over-blog.com/2017/06/comete-71p/clark-nuit-du-10-11-juin-2017.html Remarks or comments lune à 99.2% Observation submission date 2017 Jun 13 20h21m44s