103P/Hartley (Record n° 28126)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2023 Dec 16 05h17 UT by Nicolas BiverComa Total magnitude (m1) 12.4 Coma diameter 1.5 ' Coma condensation degree
(DC) 3 ICQ full report 103 2023 12 16.22 S 12.4 TK 40.7L 4 72 1.5 3 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 TYCHO2 Observation submission date 2024 Jan 24 16h57m06s