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12P/Pons-Brooks

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 m10.4 '
Nuclear magnitude (m2)12.6
m2 standard deviation0.0
Aperture radius used for m25.8 "
Coma diameter0.8 '
r (dist/Sun) 3.859 AU
d (dist/Earth) 3.546 AU
Right ascension18 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 configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Binning1x1
MountMeade MCMT-TDM
Exposure details25x20s
Observatory MPC codeA77
Reference stars catalogAPASS
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2023 Jul 23 00h43m51s
Observation modification date2023 Jul 23 15h36m03s

(Record n° 27279)

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