Home

C/2023 H5 (Lemmon)


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 deviation0.1
Aperture radius used for m25.6 "
Coma diameter0.33 '
Tail length0.037 °
Tail position angle (PA)195 °
r (dist/Sun) 4.395 AU
d (dist/Earth) 3.834 AU
Right ascension11 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 configurationConfig1
InstrumentT540
Instrument typeNewton
Instrument aperture (0=naked eye)540 mm
Instrument focale length2025 mm
Instrument focale/diameter3.75
Filter(s)L
CameraAtik 460EX
SensorCCD
Sensor size10x12.5 mm2
Sensor pixels number2749x2199
Sensor temperature-10 °C
Binning2x2
MountVMA300
Exposure total time2340 s
Exposure details37x60s
Air mass1.2
Observatory MPC codeK97
LocationFreconrupt
Reference stars catalogATLAS2
Used softwaresTycho Tracker
Image resize factor1
Resulting picture sampling (scale)0.93 "/pix
Image processingPrism11 & Gimp
Observation submission date2025 Mar 20 22h52m24s
Observation modification date2025 Mar 20 22h58m16s

(Record n° 29603)

Home