C/2015 V2 (Johnson) (Record n° 17584)
NASA/JPL elements
IAU/MPC elements
On 2017 Apr 23 21h37 UT by Jean-Benoit de Vanssay
(Copyright Jean-Benoit de Vanssay)Nuclear magnitude (m2) 12.7 m2 standard deviation 0.1 Aperture radius used for m2 8.2 " r (dist/Sun) 1.770 AU d (dist/Earth) 1.092 AU Right ascension 16 07 29.89 h m s Declination +45 48 42.7 ° ' " MPC report COD A58
OBS J. B. de Vanssay
MEA J. B. de Vanssay
TEL 0.09-m f/4.5 refractor + CCD
ACK MPCReport file updated 2017.04.24 21:21:57
AC2 jbdv@club-internet.fr
NET UCAC-4
CK15V020 C2017 04 23.90066 16 07 29.89 +45 48 42.7 12.6 N A58
CK15V020 C2017 04 23.91808 16 07 28.08 +45 48 30.7 12.7 N A58
CK15V020 C2017 04 23.93900 16 07 25.86 +45 48 15.1 12.7 N A58
Instrument Refractor 90 Instrument type Refractor Instrument aperture (0=naked eye) 90 mm Instrument focale length 405 mm Instrument focale/diameter 4.5 Filter(s) None Camera ST8300 Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Losmandy-G11 Motorization No Autoguide Yes Exposure total time 2400 s Exposure details 40x1mn Observatory MPC code A58 Location Montgeron - Fr Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.74 "/pix Observation submission date 2017 Apr 24 22h56m30s Observation modification date 2017 Apr 24 22h58m46s