12P/Pons-Brooks (Record n° 28471)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 25 21h36 UT by Nicolas BiverComa Total magnitude (m1) 11.3 Coma diameter 1.2 ' Coma condensation degree
(DC) 5 ICQ full report 12 2023 07 25.90 S 11.3 AV 20.3L 6 40 1.2 5 ICQ XX BIV
Instrument type Newton Instrument aperture (0=naked eye) 203 mm Instrument focale length 1218 mm Instrument focale/diameter 6 Sensor Eye Power magnification 40 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog AV Observation submission date 2024 May 24 17h10m45s