C/2023 H5 (Lemmon) (Record n° 29603)
NASA/JPL elements
IAU/MPC elements
On 2025 Mar 20 19h42 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 16.7 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " Coma diameter 0.33 ' Tail length 0.037 ° Tail position angle
(PA) 195 ° r (dist/Sun) 4.395 AU d (dist/Earth) 3.834 AU Right ascension 11 39 53.21 h m s Declination +62 04 44.7 ° ' " MPC report COD K97
CON P.Ditz
OBS P.Ditz
MEA P.Ditz
TEL 0.54-m f/3.75 reflector + CCD
NUM 3
ACK MPCReport CodK97-PDI #CK23H050 obs2025-03-20 (L_38x60s_bin2) file updated 2025.03.20 22:24:53
NET ATLAS2
AC2 patrick.ditz@wanadoo.fr,pat.ditz@gmx.fr
CK23H050 KC2025 03 20.82084 11 39 53.21 +62 04 44.7 16.7 V K97
CK23H050 KC2025 03 20.83777 11 39 51.65 +62 04 56.6 16.6 V K97
CK23H050 KC2025 03 20.85319 11 39 50.28 +62 05 07.5 16.7 V K97
Instrumental configuration Config1 Instrument T540 Instrument type Newton Instrument aperture (0=naked eye) 540 mm Instrument focale length 2025 mm Instrument focale/diameter 3.75 Filter(s) L Camera Atik 460EX Sensor CCD Sensor size 10x12.5 mm2 Sensor pixels number 2749x2199 Sensor temperature -10 °C Binning 2x2 Mount VMA300 Exposure total time 2340 s Exposure details 37x60s Air mass 1.2 Observatory MPC code K97 Location Freconrupt Reference stars catalog ATLAS2
Used softwares Tycho Tracker Image resize factor 1 Resulting picture sampling (scale) 0.93 "/pix Image processing Prism11 & Gimp Observation submission date 2025 Mar 20 22h52m24s Observation modification date 2025 Mar 20 22h58m16s