C/2017 E4 (Lovejoy) (Record n° 17471)
Orbital period : 17872.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Apr 08 03h25 UT by Cyrille Calvet
(Copyright Cyrille Calvet )r (dist/Sun) 0.615 AU d (dist/Earth) 0.686 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 Mount SW EQ6 progoto Motorization Yes Autoguide Yes Exposure total time 900 s Exposure details 5x3mn Sky transparency (naked eye max mag) 1 Seeing 4 Location Tautavel 66720 Resulting picture sampling (scale) 1.02 "/pix Image processing DSS URL for more information or pictures http://astronomiecyrille.over-blog.com/2017/04/suivi-de-routine-de-la-comete-c/2017-e4-lovejoy.html Observation submission date 2017 Apr 09 20h53m44s Observation modification date 2017 Apr 26 21h04m15s