12P/Pons-Brooks (Record n° 27349)
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 deviation 0.1 Aperture radius used for m2 5.6 " Coma diameter 3.6 ' r (dist/Sun) 3.735 AU d (dist/Earth) 3.457 AU Right ascension 17 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 configuration Config1 Instrument T540 Instrument type Newton Instrument aperture (0=naked eye) 540 mm Instrument focale length 2025 mm Instrument focale/diameter 3.75 Filter(s) L Camera ATIK 460EX Sensor CCD Sensor size 10x12.5 mm2 Sensor pixels number 2749x2199 Sensor temperature -10 °C Binning 2x2 Mount VMA300 Exposure total time 1200 s Exposure details 40x30s Moon phase 27 ° Moon elongation 93 ° Air mass 1.1 Observatory MPC code K97 Location Freconrupt Reference stars catalog PPMXL
Used softwares Astrometrica Resulting picture sampling (scale) 0.92 "/pix Image processing PRISM11 & Gimp Remarks or comments La tache visible à l'est de 12P est une galaxie Observation submission date 2023 Aug 06 18h57m08s Observation modification date 2023 Aug 07 06h51m02s