103P/Hartley (Record n° 27600)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2023 Sep 17 00h58 UT by Michael Irzyk
(Copyright Michael Irzyk)Coma Total magnitude (m1) 14.4 Aperture radius used for m1 0.15 ' Nuclear magnitude (m2) 15.4 Aperture radius used for m2 4 " r (dist/Sun) 1.121 AU d (dist/Earth) 0.392 AU Right ascension 04 52 14.33 h m s Declination +40 42 49.6 ° ' " Instrument TJMS Instrument type Newton Instrument aperture (0=naked eye) 600 mm Instrument focale length 2000 mm Instrument focale/diameter 3.33 Filter(s) Clear Sensor CMOS Binning 1x1 Motorization Yes Autoguide No Exposure total time 210 s Exposure details 7x30s Observatory MPC code 199 Location Buthiers Reference stars catalog GSC (HST) Used softwares Prism Resulting picture sampling (scale) 0.41 "/pix Observation submission date 2023 Sep 18 18h10m53s Observation modification date 2023 Sep 18 18h14m31s