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C/2023 H5 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2025 May 23 21h30 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)17
m2 standard deviation0.0
Aperture radius used for m25.6 "
Coma diameter0.5 '
r (dist/Sun) 4.324 AU
d (dist/Earth) 4.472 AU
Right ascension10 35 48.09 h m s
Declination+65 33 35.2 ° ' "
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 obs2025-05-23 (L_52x60s_bin2) file updated 2025.05.24 10:06:19
NET ATLAS2
AC2 patrick.ditz@wanadoo.fr,pat.ditz@gmx.fr
    CK23H050 KC2025 05 23.89612 10 35 48.09 +65 33 35.2          17.0 V      K97
    CK23H050 KC2025 05 23.90966 10 35 48.06 +65 33 33.7          17.0 V      K97
    CK23H050 KC2025 05 23.92283 10 35 48.02 +65 33 32.3          17.0 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 time3060 s
Exposure details51x60s
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 May 24 10h45m31s
Observation modification date2025 May 24 10h48m28s

(Record n° 29706)

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