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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Jul 28 20h37 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Coma Total magnitude (m1)11.6
Aperture radius used for m10.74 '
Nuclear magnitude (m2)16
m2 standard deviation0.1
Aperture radius used for m26 "
Coma diameter2.10 '
r (dist/Sun) 3.808 AU
d (dist/Earth) 3.507 AU
Right ascension18 05 06.99 h m s
Declination+55 44 06.1 ° ' "
MPC report
COD L27
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 Newtonian reflector + CCD
ACK L27 2023.07.28 23:20:19
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0012P        KC2023 07 28.85869 18 05 06.99 +55 44 06.1          15.9 R      L27
0012P        KC2023 07 28.86988 18 05 05.90 +55 44 04.7          16.0 R      L27
0012P        KC2023 07 28.88107 18 05 04.97 +55 43 59.8          11.6 T      L27
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length875 mm
Instrument focale/diameter3.5
Filter(s)None
CameraATIK 414 EX
SensorCCD
Sensor temperature-5 °C
Binning1x1
MountPARAMOUNT ME
AutoguideNo
Exposure details60 x 30s
Observatory MPC codeL27
LocationDanban (04)
Reference stars catalogUCAC-4
Used softwaresAstrometrica
Resulting picture sampling (scale)1.49 "/pix
Observation submission date2023 Jul 28 21h21m37s
Observation modification date2023 Jul 28 21h33m27s

(Record n° 27321)

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