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C/2025 A6 (Lemmon)

Perihelion distance : 0.53 AU
Inclination to ecliptic : 144 °
Orbital period : 1351 years
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2025 Oct 27 18h02 UT by Nicolas Delaunoy


(Copyright Nicolas Delaunoy)

Coma Total magnitude (m1)4.25
Aperture radius for m12.75 '
Magnitude (MPC m2)8.69
Aperture radius for m210.8 "
r (dist/Sun)0.597 AU
d (dist/Earth)0.670 AU
Right ascension237.29108 °
Declination+12.59361 °
Instrumental configurationConfig1
InstrumentUNISTELLAR eQuinox2
Instrument typeNewton
Instrument aperture (0=naked eye)115 mm
Instrument focale length450 mm
FilterNone
CameraIMX347
SensorCMOS
Sensor size7.1x5.3 mm2
Sensor pixels number2088x1536
Binning1x1
MountALT-AZ
MotorizationYes
AutoguideNo
Exposure total time48 s
Exposure details12x4s
Sky transparency (naked eye max mag)3
Seeing3
Moon phase112 °
Moon elongation60 °
LocationYerres, 91330, France
Reference stars catalog (ast)UCAC-4
Used softwaresTycho tracker (master darks avec Siril)
Resulting picture sampling (scale)1.32 "/pix
Remarks or commentsCiel voilé, passages nuageux, prise de vue raccourcie...
Observation submission date2025 Oct 28 14h26m38s
Observation modification date2025 Oct 28 14h28m33s

(Record n° 30237)

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