12P/Pons-Brooks (Record n° 28490)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Oct 05 20h38 UT by Nicolas BiverComa Total magnitude (m1) 12.1 Coma diameter 0.2 ' Coma condensation degree
(DC) 8 ICQ full report 12 2023 10 05.86 B 12.1 AV 40.7L 4 72 0.2 8 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1628 mm Instrument focale/diameter 4 Sensor Eye Power magnification 72 X Magnitude visual estimation method
(ICQ code) B Reference stars catalog AV Observation submission date 2024 May 24 17h10m50s