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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 10 04h54 UT by Nicolas Delaunoy


(Copyright Nicolas Delaunoy)

Coma Total magnitude (m1)6.27
Aperture radius for m11.50 '
Magnitude (MPC m2)8.4
Aperture radius for m210.9 "
Right ascension167.20204 °
Declination+42.38367 °
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 time756 s
Exposure details189x4s
Sky transparency (naked eye max mag)4
Seeing3
Moon phase41 °
Moon elongation88 °
LocationYerres, 91330, France
Reference stars catalog (ast)UCAC-4
Used softwaresTycho tracker (master darks avec Siril)
Resulting picture sampling (scale)1.32 "/pix
Observation submission date2025 Oct 12 21h44m21s

(Record n° 30117)

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