103P/Hartley (Record n° 28107)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2023 Aug 09 22h48 UT by Nicolas BiverComa Total magnitude (m1) 13.2 Coma diameter 1.5 ' Coma condensation degree
(DC) 2 ICQ full report 103 2023 08 09.95 S 13.2 AV 40.7L 4 72 1.5 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 Jan 24 16h57m02s