12P/Pons-Brooks (Record n° 28489)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Sep 23 23h46 UT by Nicolas BiverComa Total magnitude (m1) 13.2 Coma diameter 1.3 ' Coma condensation degree
(DC) 4 ICQ full report 12 2023 09 23.99 S 13.2 AV 40.7L 4 135 1.3 4 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 AV Observation submission date 2024 May 24 17h10m49s