C/2015 F2 (Polonia) (Record n° 13943)
Orbital period : 245.20 years
NASA/JPL elements
IAU/MPC elements
On 2015 May 29 07h55 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 5.5 " Coma diameter 0.2 ' Tail length 0.008 ° Tail position angle
(PA) 280 ° r (dist/Sun) 1.295 AU d (dist/Earth) 0.766 AU Right ascension 22 00 42.14 h m s Declination +06 57 34.8 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, T. Noel
MEA T. Noel
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2015.05.29 12:41:46
AC2 thierrynoel38@free.fr
NET UCAC-4
CK15F020 KC2015 05 29.33018 22 00 42.14 +06 57 34.8 17.3 N W96
CK15F020 KC2015 05 29.33410 22 00 42.34 +06 57 47.0 17.6 N W96
CK15F020 KC2015 05 29.33802 22 00 42.59 +06 57 59.9 17.5 N W96
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 4x4 Mount Paramount Exposure details 40x20s Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.38 "/pix Image processing Astrometrica (-dark, /flat, add), Iris (gradient, levels, crop) Observation submission date 2015 May 29 13h10m26s Observation modification date 2015 May 29 22h56m50s