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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Nov 25 18h49 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10.4
Aperture radius used for m10.8 '
Nuclear magnitude (m2)14.2
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 2.463 AU
d (dist/Earth) 2.664 AU
Right ascension18 16 49.95 h m s
Declination+39 03 29.5 ° ' "
MPC report
COD A77
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector+CCD
ACK MPCReport file updated 2023.11.25 21:07:08
AC2 fkugel@free.fr
NET UCAC-4
0012P        KC2023 11 25.78388 18 16 49.95 +39 03 29.5          14.1 R      A77
0012P        KC2023 11 25.78996 18 16 50.59 +39 03 27.7          14.3 R      A77
0012P        KC2023 11 25.79603 18 16 51.15 +39 03 26.2          14.2 R      A77
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)R Bessel
CameraAtik460ex
SensorCCD
Sensor temperature-20 °C
Binning2x2
MountMeade MCMT-TDM
Exposure details34x30s
Observatory MPC codeA77
Reference stars catalogUCAC-4
Image resize factor1
Resulting picture sampling (scale)1.66 "/pix
Observation submission date2023 Nov 25 22h12m34s
Observation modification date2023 Nov 25 22h52m16s

(Record n° 27892)

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