12P/Pons-Brooks (Record n° 27321)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 28 20h37 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 11.6 Aperture radius used for m1 0.74 ' Nuclear magnitude (m2) 16 m2 standard deviation 0.1 Aperture radius used for m2 6 " Coma diameter 2.10 ' r (dist/Sun) 3.808 AU d (dist/Earth) 3.507 AU Right ascension 18 05 06.99 h m s Declination +55 44 06.1 ° ' " 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 2023.07.28 23:20:19
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0012P KC2023 07 28.85869 18 05 06.99 +55 44 06.1 15.9 R L27
0012P KC2023 07 28.86988 18 05 05.90 +55 44 04.7 16.0 R L27
0012P KC2023 07 28.88107 18 05 04.97 +55 43 59.8 11.6 T 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 60 x 30s Observatory MPC code L27 Location Danban (04) Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.49 "/pix Observation submission date 2023 Jul 28 21h21m37s Observation modification date 2023 Jul 28 21h33m27s