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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Aug 01 20h34 UT by Joel Nicolas


(Copyright Joel Nicolas)

Coma Total magnitude (m1)11.6
Aperture radius used for m11.28 '
Nuclear magnitude (m2)16.1
m2 standard deviation0.1
Aperture radius used for m27.0 "
Coma diameter2.56 '
Afrho1006 cm
Afrho error11 cm
r (dist/Sun) 3.766 AU
d (dist/Earth) 3.478 AU
Right ascension17 58 53.83 h m s
Declination+55 33 55.9 ° ' "
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 2023.08.02 09:12:59
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0012P         C2023 08 01.85681 17 58 53.83 +55 33 55.9          16.0 R      A77
0012P         C2023 08 01.86125 17 58 53.45 +55 33 55.7          16.1 R      A77
0012P         C2023 08 01.86679 17 58 52.93 +55 33 54.4          16.0 R      A77
0012P         C2023 08 01.87234 17 58 52.43 +55 33 52.8          16.1 R      A77
0012P         C2023 08 01.88507 17 58 51.24 +55 33 51.6          16.1 R      A77
Instrumental configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)None
CameraST8XME
SensorCCD
Sensor temperature-15 °C
Binning1x1
Exposure details3*90s
Air mass1.02
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Used softwaresAstrometrica
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2023 Aug 02 07h14m43s
Observation modification date2023 Aug 04 14h54m38s

(Record n° 27337)

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