P/2011 P1 (McNaught) (Record n° 4977)
Orbital period : 20.39 years
NASA/JPL elements
IAU/MPC elements
On 2011 Oct 24 00h09 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18.9 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 5.376 AU d (dist/Earth) 4.392 AU Right ascension 02 20 58.68 h m s Declination +17 45 54.3 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.10.24
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
PK11P010 KC2011 10 24.00602 02 20 58.68 +17 45 54.3 19.0 N C10
PK11P010 KC2011 10 24.02126 02 20 58.22 +17 45 53.1 18.8 N C10
PK11P010 KC2011 10 24.03633 02 20 57.77 +17 45 50.9 18.8 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -25 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 3600 s Exposure details 30 X 120s Seeing 3 Moon elongation 132 ° Air mass 1.16 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.04 "/pix Image processing PRISMV8 DDP FC GIMP Observation submission date 2011 Oct 24 09h52m48s Observation modification date 2011 Oct 27 21h49m43s