C/2015 F2 (Polonia) (Record n° 13727)
Orbital period : 245.20 years
NASA/JPL elements
IAU/MPC elements
On 2015 Apr 21 07h07 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.7 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 1.216 AU d (dist/Earth) 0.761 AU Right ascension 20 42 14.25 h m s Declination -30 41 47.4 ° ' " MPC report COD W96
CON ALAIN MAURY [jean-gabriel.bosch@unige.ch]
OBS A. Maury, J.-G. Bosch
MEA J.-G. Bosch
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2015.04.21 12:08:06
AC2 jean-gabriel.bosch@unige.ch
NET UCAC-4
CK15F020 KC2015 04 21.29659 20 42 14.25 -30 41 47.4 16.7 N W96
CK15F020 KC2015 04 21.34301 20 42 23.21 -30 39 08.3 16.6 N W96
Instrument 400 Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Filter(s) None Camera QHY9 Sensor CCD Sensor temperature -35 °C Binning 2x2 Mount Paramount Motorization Yes Exposure details 195x15s Moon phase 180 ° Air mass 1.05 Observatory MPC code W96 Location San Pedro de Acatama W96 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix URL for more information or pictures http://transitionsciel.blogspot.ch/ Observation submission date 2015 Apr 21 14h10m06s Observation modification date 2015 Apr 21 19h39m13s