C/2023 H2 (Lemmon) (Record n° 27779)
NASA/JPL elements
IAU/MPC elements
On 2023 Oct 31 04h57 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11.6 Aperture radius used for m1 0.4 ' Nuclear magnitude (m2) 13.9 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 0.895 AU d (dist/Earth) 0.442 AU Right ascension 13 54 17.96 h m s Declination +50 12 50.7 ° ' " MPC report COD A77
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector+CCD
ACK MPCReport file updated 2023.10.31 06:46:39
AC2 fkugel@free.fr
NET USNO-B1.0
CK23H020 KC2023 10 31.20632 13 54 17.96 +50 12 50.7 13.8 I A77
CK23H020 KC2023 10 31.20956 13 54 20.52 +50 12 51.6 14.0 I A77
CK23H020 KC2023 10 31.21281 13 54 23.24 +50 12 52.8 14.0 I A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) IR pro Camera Atik460ex Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade MCMT-TDM Exposure details 21x30s Observatory MPC code A77 Reference stars catalog USNO-B1.0
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2023 Oct 31 07h48m25s Observation modification date 2023 Oct 31 07h54m23s