12P/Pons-Brooks (Record n° 27275)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 21 22h09 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 11.3 Aperture radius used for m1 0.29 ' Nuclear magnitude (m2) 11.9 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " Coma diameter 0.7 ' r (dist/Sun) 3.880 AU d (dist/Earth) 3.562 AU Right ascension 18 16 23.98 h m s Declination +55 49 59.1 ° ' " MPC report COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK C10 2023.07.22 00:53:12
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0012P C2023 07 21.92275 18 16 23.98 +55 49 59.1 11.3 T C10
0012P C2023 07 21.93637 18 16 22.56 +55 49 58.7 11.9 R C10
0012P C2023 07 21.95026 18 16 21.22 +55 49 59.3 11.9 R C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) None Camera ATIK 314 L+ Sensor CCD Sensor temperature -5 °C Binning 1x1 Mount F60aAxis Instruments Autoguide No Exposure details 6 x 20s Observatory MPC code C10 Location Seine et Marne (77) Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.16 "/pix Observation submission date 2023 Jul 21 22h55m08s Observation modification date 2023 Jul 22 12h15m32s