C/2025 R2 (SWAN) (Record n° 30674)
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 m1 3.1 ' Nuclear magnitude (m2) 16.8 Aperture radius used for m2 6 " Coma diameter 3.1 ' Tail length 13.5 ° Tail position angle
(PA) 294 ° Instrument SW Quattro 200 Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 762 mm Instrument focale/diameter 3.81 Filter(s) L Camera 294MC-Pro Sensor CMOS Sensor temperature -15 °C Binning 1x1 Exposure total time 6900 s Exposure details 115x1mn Reference stars catalog UCAC-4 Used softwares APT Resulting picture sampling (scale) 1.5 "/pix Remarks or comments C'est une antiqueue vers PA=294°.
La queue est visible sur 2.4' vers PA=66°. Observation submission date 2025 Dec 22 14h34m33s Observation modification date 2025 Dec 22 14h37m31s