12P/Pons-Brooks (Record n° 28469)
Orbital period : 71.00 years
NASA/JPL elements
IAU/MPC elements
On 2023 Jul 22 00h29 UT by Nicolas BiverComa Total magnitude (m1) 11.7 Coma diameter 0.3 ' Coma condensation degree
(DC) 8 ICQ full report 12 2023 07 22.02 B 11.7 AV 40.7L 4 72 0.3 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 17h10m45s