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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Dec 16 18h24 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)13.8
m2 standard deviation0.0
Aperture radius used for m25.6 "
Coma diameter12.5 '
Tail length0.21 °
Tail position angle (PA)25 °
r (dist/Sun) 2.203 AU
d (dist/Earth) 2.442 AU
Right ascension18 58 22.15 h m s
Declination+37 54 04.7 ° ' "
MPC report
COD K97
CON P.Ditz [patrick.ditz@wanadoo.fr]
OBS P.Ditz
MEA P.Ditz
TEL 0.54-m f/3.75 reflector + CCD
ACK MPCReport file updated 2023.12.17 10:34:29
AC2 patrick.ditz@wanadoo.fr
NET PPMXL
0012P         C2023 12 16.76643 18 58 22.15 +37 54 04.7          13.8 V      K97
0012P         C2023 12 16.77193 18 58 22.88 +37 54 04.3          13.8 V      K97
0012P         C2023 12 16.77584 18 58 23.44 +37 54 03.6          13.8 V      K97
Instrumental configurationConfig1
InstrumentT540
Instrument typeNewton
Instrument aperture (0=naked eye)540 mm
Instrument focale length2025 mm
Instrument focale/diameter3.75
Filter(s)L
CameraAtik 460EX
SensorCCD
Sensor size10x12.5 mm2
Sensor pixels number2749x2199
Sensor temperature-10 °C
Binning2x2
MountVMA300
Exposure total time760 s
Exposure details38x20s
Moon phase148 °
Moon elongation67 °
Air mass2.0
Observatory MPC codeK97
LocationFreconrupt
Reference stars catalogPPMXL
Used softwaresAstrometrica
Image resize factor0.73
Resulting picture sampling (scale)0.92 "/pix
Image processingPrism11 & Gimp
Remarks or commentsDétail à proximité du noyau dans vignette en haut à droite Queue cométaire visible de longueur > 13'
Observation submission date2023 Dec 18 09h03m34s
Observation modification date2023 Dec 18 09h12m42s

(Record n° 27978)

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