12P/Pons-Brooks (Record n° 27279)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 23 00h05 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 12.6 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " Coma diameter 0.8 ' r (dist/Sun) 3.859 AU d (dist/Earth) 3.546 AU Right ascension 18 14 36.65 h m s Declination +55 50 03.5 ° ' " MPC report COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 3
ACK MPCReport file updated 2023.07.23 02:40:06
NET APASS
AC2 fkugel@free.fr
COM Photometry aperture radius used for m2 = 5.8 arcsec (7 pixels, 0.83 arcsec/pix)
COM Photometry aperture radius used for m1 = 0.4 arcmin (30 pixels, 0.83 arcsec/pix)
0012P KC2023 07 23.00325 18 14 36.65 +55 50 03.5 12.6 V A77
0012P KC2023 07 23.00621 18 14 36.35 +55 50 03.4 12.6 V A77
0012P KC2023 07 23.00899 18 14 36.07 +55 50 03.5 11.0 T A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Binning 1x1 Mount Meade MCMT-TDM Exposure details 25x20s Observatory MPC code A77 Reference stars catalog APASS
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2023 Jul 23 00h43m51s Observation modification date 2023 Jul 23 15h36m03s