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C/2024 J4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2025 Mar 17 03h49 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)18.5
m2 standard deviation0.1
Aperture radius used for m26.5 "
r (dist/Sun) 5.702 AU
d (dist/Earth) 5.423 AU
Right ascension16 57 53.99 h m s
Declination+28 34 17.3 ° ' "
MPC report
COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK C10 2025.03.17 07:07:37
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
    CK24J040 KC2025 03 17.15873 16 57 53.99 +28 34 17.3          18.5 R      C10
    CK24J040 KC2025 03 17.17013 16 57 53.58 +28 34 21.2          18.6 R      C10
    CK24J040 KC2025 03 17.18153 16 57 53.18 +28 34 25.1          18.5 R      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length1140 mm
Instrument focale/diameter3.8
Filter(s)None
CameraST8 XME
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountF60a Axis Instruments
AutoguideNo
Exposure details60 x 60s
Observatory MPC codeC10
LocationSeine et Marne
Reference stars catalogUCAC-4
Used softwaresAstrometrica
Resulting picture sampling (scale)1.62 "/pix
Remarks or commentsEchant. SETUP
Observation submission date2025 Mar 17 07h11m05s
Observation modification date2025 Mar 17 08h22m01s

(Record n° 29583)

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