C/2015 V2 (Johnson) (Record n° 17793)
NASA/JPL elements
IAU/MPC elements
On 2017 May 21 20h59 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 13.3 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Tail position angle
(PA) 323 ° r (dist/Sun) 1.664 AU d (dist/Earth) 0.854 AU Right ascension 15 05 25.72 h m s Declination +32 06 28.2 ° ' " MPC report COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.4 reflector + CCD
ACK Report C/2015V2 2017/05/21
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
CK15V020 C2017 05 21.87439 15 05 25.72 +32 06 28.2 13.4 N K97
CK15V020 C2017 05 21.88676 15 05 23.99 +32 05 51.7 13.3 N K97
CK15V020 C2017 05 21.89782 15 05 22.45 +32 05 18.9 13.3 N K97
Instrumental configuration Config1 Instrument perso Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1480 mm Instrument focale/diameter 7.4 Filter(s) L 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 Exposure total time 1800 s Exposure details 45x40s Air mass 1.08 Observatory MPC code K97 Location 67130 Freconrupt Reference stars catalog UCAC-4
Used softwares PRISM Image resize factor 0.728 Resulting picture sampling (scale) 1.26 "/pix Image processing PRISM Observation submission date 2017 Jun 05 21h18m20s Observation modification date 2017 Jun 10 11h58m36s