12P/Pons-Brooks (Record n° 27289)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 23 20h50 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 11.4 Aperture radius used for m1 0.5 ' Nuclear magnitude (m2) 13.5 m2 standard deviation 0.0 Aperture radius used for m2 6 " Coma diameter 1.15 ' r (dist/Sun) 3.859 AU d (dist/Earth) 3.546 AU Right ascension 18 13 11.38 h m s Declination +55 49 52.7 ° ' " MPC report COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 Newtonian reflector + CCD
ACK L27 2023.07.24 01:24:00
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0012P C2023 07 23.86792 18 13 11.38 +55 49 52.7 11.4 T L27
0012P C2023 07 23.87288 18 13 10.86 +55 49 51.4 13.5 R L27
0012P C2023 07 23.87808 18 13 10.46 +55 49 51.0 13.5 R L27
0012P C2023 07 23.88328 18 13 09.90 +55 49 51.5 13.5 R L27
Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 875 mm Instrument focale/diameter 3.5 Filter(s) None Camera ATIK 414 EX Sensor CCD Sensor temperature -5 °C Binning 1x1 Mount PARAMOUNT ME Autoguide No Exposure details 30 x 20s Observatory MPC code L27 Location Dauban (04) Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.49 "/pix Observation submission date 2023 Jul 23 23h26m31s Observation modification date 2023 Jul 24 08h09m46s