12P/Pons-Brooks (Record n° 27506)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Sep 02 19h59 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 16.7 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " Coma diameter 5.2 ' r (dist/Sun) 3.427 AU d (dist/Earth) 3.276 AU Right ascension 17 23 51.90 h m s Declination +51 50 54.3 ° ' " 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 2023.09.03 16:12:29
AC2 patrick.ditz@wanadoo.fr
NET PPMXL
0012P C2023 09 02.83241 17 23 51.90 +51 50 54.3 16.6 V K97
0012P C2023 09 02.83617 17 23 51.77 +51 50 52.1 16.6 V K97
0012P C2023 09 02.83955 17 23 51.68 +51 50 50.0 16.7 V K97
0012P C2023 09 02.84407 17 23 51.48 +51 50 47.4 16.7 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 20x60s Moon phase 20 ° Moon elongation 100 ° Air mass 1.05 Observatory MPC code K97 Location Freconrupt Reference stars catalog PPMXL
Used softwares Astrometrica Resulting picture sampling (scale) 0.92 "/pix Image processing Prism11 & Gimp Observation submission date 2023 Sep 04 09h00m15s Observation modification date 2023 Sep 04 09h06m47s