12P/Pons-Brooks (Record n° 28512)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Dec 16 06h29 UT by Nicolas BiverComa Total magnitude (m1) 10.3 Coma diameter 1.2 ' Coma condensation degree
(DC) 5 ICQ full report 12 2023 12 16.27 S 10.3 TK 40.7L 4 135 1.2 5 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 135 X Magnitude visual estimation method
(ICQ code) S Reference stars catalog TYCHO2 Observation submission date 2024 May 24 17h10m55s