12P/Pons-Brooks (Record n° 27331)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 31 02h06 UT by Joel Nicolas
(Copyright Joel Nicolas)Coma Total magnitude (m1) 12.2 Aperture radius used for m1 1.3 ' Nuclear magnitude (m2) 15.7 m2 standard deviation 0.1 Aperture radius used for m2 7.0 " Coma diameter 2.6 ' r (dist/Sun) 3.777 AU d (dist/Earth) 3.485 AU Right ascension 18 01 36.82 h m s Declination +55 39 00.5 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2023.07.31 09:57:06
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P KC2023 07 31.08767 18 01 36.82 +55 39 00.5 15.7 R A77
0012P KC2023 07 31.09148 18 01 36.39 +55 38 59.9 15.7 R A77
0012P KC2023 07 31.09528 18 01 36.07 +55 38 57.8 15.6 R A77
0012P KC2023 07 31.09910 18 01 35.70 +55 38 57.5 15.6 R A77
0012P KC2023 07 31.10306 18 01 35.28 +55 38 56.4 15.7 R A77
0012P KC2023 07 31.10748 18 01 34.92 +55 38 57.8 15.8 R A77
Instrumental configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) R Bessel Camera ST8XME Sensor CCD Sensor temperature -18 °C Binning 1x1 Exposure details 10*60s Air mass 1.49 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2023 Jul 31 08h01m48s Observation modification date 2023 Aug 03 15h02m14s