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12P/Pons-Brooks

Orbital period : 71.00 years

NASA/JPL elements
IAU/MPC elements


On 2023 Sep 23 19h24 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)16.2
m2 standard deviation0.1
Aperture radius used for m25.6 "
Coma diameter6.4 '
r (dist/Sun) 3.189 AU
d (dist/Earth) 3.146 AU
Right ascension17 18 40.58 h m s
Declination+48 10 05.6 ° ' "
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 2023.09.24 15:01:46
AC2 patrick.ditz@wanadoo.fr
NET PPMXL
0012P         C2023 09 23.80817 17 18 40.58 +48 10 05.6          16.1 V      K97
0012P         C2023 09 23.81356 17 18 40.60 +48 10 02.1          16.2 V      K97
0012P         C2023 09 23.82293 17 18 40.64 +48 09 55.9          16.2 V      K97
0012P         C2023 09 23.83214 17 18 40.68 +48 09 49.7          16.1 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 time1560 s
Exposure details26x1mn
Moon phase110 °
Moon elongation79 °
Air mass1.1
Observatory MPC codeK97
LocationFreconrupt
Reference stars catalogPPMXL
Used softwaresAstrometrica
Resulting picture sampling (scale)0.92 "/pix
Image processingPrism11 & Gimp
Remarks or commentsDeux comas sont présentes: La plus étendue de diamètre 6'4 et la plus concise de diamètre 1'1
Observation submission date2023 Sep 25 10h47m03s
Observation modification date2023 Sep 25 10h51m49s

(Record n° 27629)

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