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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Aug 04 23h13 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)16.9
m2 standard deviation0.1
Aperture radius used for m25.6 "
Coma diameter3.6 '
r (dist/Sun) 3.735 AU
d (dist/Earth) 3.457 AU
Right ascension17 54 15.48 h m s
Declination+55 22 45.7 ° ' "
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 2023.08.05 22:08:47
AC2 patrick.ditz@wanadoo.fr
NET PPMXL
0012P         C2023 08 04.96722 17 54 15.48 +55 22 45.7          16.9 V      K97
0012P         C2023 08 04.97329 17 54 14.97 +55 22 44.2          17.0 V      K97
0012P         C2023 08 04.97556 17 54 14.82 +55 22 43.8          16.9 V      K97
0012P         C2023 08 04.98546 17 54 13.90 +55 22 40.7          16.9 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 time1200 s
Exposure details40x30s
Moon phase27 °
Moon elongation93 °
Air mass1.1
Observatory MPC codeK97
LocationFreconrupt
Reference stars catalogPPMXL
Used softwaresAstrometrica
Resulting picture sampling (scale)0.92 "/pix
Image processingPRISM11 & Gimp
Remarks or commentsLa tache visible à l'est de 12P est une galaxie
Observation submission date2023 Aug 06 18h57m08s
Observation modification date2023 Aug 07 06h51m02s

(Record n° 27349)

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