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C/2024 J4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2025 Mar 21 09h02 UT by Herve Roy


(Copyright Herve Roy)

Nuclear magnitude (m2)18.9
m2 standard deviation0.1
Aperture radius used for m26.0 "
r (dist/Sun) 5.701 AU
d (dist/Earth) 5.374 AU
Right ascension16 55 20.06 h m s
Declination+28 58 18.3 ° ' "
MPC report
COD X03
CON H. Roy [roy-nee@wanadoo.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA H. Roy
TEL 0.36-m f/4.8 reflector + CMO
NUM 3
ACK MPCReport file updated 2025.03.21 15:30:00
NET Gaia DR2
AC2 roy-nee@wanadoo.fr
    CK24J040 KB2025 03 21.37635 16 55 20.06 +28 58 18.3          18.8 G      X03
    CK24J040 KB2025 03 21.38573 16 55 19.67 +28 58 20.9          18.9 G      X03
    CK24J040 KB2025 03 21.39294 16 55 19.45 +28 58 22.8          18.9 G      X03
Instrumental configurationConfig1
InstrumentONTC 350mm
Instrument typeNewton
Instrument aperture (0=naked eye)360 mm
Instrument focale length1728 mm
Instrument focale/diameter4.8
Filter(s)L
CameraPlayerOne IMX571 Mono
SensorCMOS
Sensor size23.5x15.7 mm2
Sensor pixels number6252x4176
Sensor temperature-10 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Exposure details5x2mn
Observatory MPC codeX03
LocationMonte Patria Chili
Reference stars catalogGaia DR2
Used softwaresTychoTracker
Resulting picture sampling (scale)0.86 "/pix
Remarks or commentsLune 60%
Observation submission date2025 Mar 21 15h52m35s
Observation modification date2025 Apr 23 18h05m35s

(Record n° 29604)

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