12P/Pons-Brooks (Record n° 28477)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Aug 08 21h07 UT by Nicolas BiverComa Total magnitude (m1) 11.2 Coma diameter 3.0 ' Coma condensation degree
(DC) 2 ICQ full report 12 2023 08 08.88 S 11.2 AV 40.7L 4 72 3.0 2 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) S Reference stars catalog AV Observation submission date 2024 May 24 17h10m47s