C/2015 V2 (Johnson) (Record n° 17678)
NASA/JPL elements
IAU/MPC elements
On 2017 Apr 29 23h13 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 13.5 Aperture radius used for m2 7.5 " Tail length 0.33 ° Tail position angle
(PA) 311 ° r (dist/Sun) 1.741 AU d (dist/Earth) 1.031 AU Right ascension 15 55 51.93 h m s Declination +44 16 03.9 ° ' " Instrument perso Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1491 mm Instrument focale/diameter 7.45 Filter(s) R (RGB) Camera ATIK 460 EX Sensor CCD Sensor size 12.5x10.0 mm2 Sensor pixels number 2749x2199 Sensor temperature -15 °C Binning 2x2 Mount VMA300 Valmeca Motorization Yes Exposure total time 1620 s Exposure details 27x60s Moon phase 132 ° Air mass 1.05 Observatory MPC code K97 Location 67130 Freconrupt Reference stars catalog UCAC-4 Used softwares PRISM Image resize factor 0.655 Resulting picture sampling (scale) 1.26 "/pix Observation submission date 2017 May 14 23h08m41s Observation modification date 2017 May 20 11h53m10s