12P/Pons-Brooks (Record n° 27305)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 24 21h56 UT by Joel Nicolas
(Copyright Joel Nicolas)Coma Total magnitude (m1) 11.5 Aperture radius used for m1 0.7 ' Nuclear magnitude (m2) 14.2 m2 standard deviation 0.0 Aperture radius used for m2 7 " Coma diameter 1.4 ' Afrho 10113 cm r (dist/Sun) 3.849 AU d (dist/Earth) 3.538 AU Right ascension 18 11 28.56 h m s Declination +55 49 19.2 ° ' " 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 2023.07.25 11:20:44
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P KC2023 07 24.91370 18 11 28.56 +55 49 19.2 14.2 R A77
0012P KC2023 07 24.92058 18 11 27.90 +55 49 18.8 14.2 R A77
0012P KC2023 07 24.92439 18 11 27.39 +55 49 16.5 14.1 R A77
0012P KC2023 07 24.92972 18 11 26.99 +55 49 17.0 14.2 R A77
0012P KC2023 07 24.93528 18 11 26.37 +55 49 17.6 14.2 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 -15 °C Binning 1x1 Exposure details 5*60s Air mass 1.02 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 25 09h22m43s Observation modification date 2023 Aug 10 16h00m32s