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C/2025 R2 (SWAN)

Orbital period : 781.30 years

NASA/JPL elements
IAU/MPC elements


On 2025 Dec 13 18h11 UT by Stephane Garro


(Copyright Stephane Garro)

Coma Total magnitude (m1)12.4
Aperture radius used for m13.1 '
Nuclear magnitude (m2)16.8
Aperture radius used for m26 "
Coma diameter3.1 '
Tail length13.5 °
Tail position angle (PA)294 °
InstrumentSW Quattro 200
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length762 mm
Instrument focale/diameter3.81
Filter(s)L
Camera294MC-Pro
SensorCMOS
Sensor temperature-15 °C
Binning1x1
Exposure total time6900 s
Exposure details115x1mn
Reference stars catalogUCAC-4
Used softwaresAPT
Resulting picture sampling (scale)1.5 "/pix
Remarks or commentsC'est une antiqueue vers PA=294°. La queue est visible sur 2.4' vers PA=66°.
Observation submission date2025 Dec 22 14h34m33s
Observation modification date2025 Dec 22 14h37m31s

(Record n° 30674)

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