C/2025 A6 (Lemmon) (Record n° 30042)
Orbital period : 1351.00 years
NASA/JPL elements
IAU/MPC elements
On 2025 Sep 18 03h58 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 8.5 Nuclear magnitude (m2) 11.8 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " Tail length 0.333 ° Tail position angle
(PA) 291.6 ° Afrho 1975 cm Afrho error 516 cm r (dist/Sun) 1.212 AU d (dist/Earth) 1.485 AU Right ascension 08 37 53.64 h m s Declination +35 30 13.6 ° ' " MPC report COD A77
CON F. Kugel
OBS F. Kugel
MEA F. Kugel
TEL 0.40-m f/2.8 reflector + CCD
NUM 6
AC2 fkugel@free.fr
ACK MPCReport file updated 2025.09.18 07:30:36
NET APASS
CK25A060 KC2025 09 18.16551 08 37 53.64 +35 30 13.6 11.7 R A77
CK25A060 KC2025 09 18.16896 08 37 54.28 +35 30 17.1 11.8 R A77
CK25A060 KC2025 09 18.17241 08 37 54.92 +35 30 20.7 11.9 R A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Binning 1x1 Mount Meade MCMT-TDM Exposure details 8x30s Observatory MPC code A77 Reference stars catalog APASS
Image resize factor 0.5 Resulting picture sampling (scale) 0.83 "/pix Remarks or comments 2025A6 2025 09 18.16 sk 8.5 AR 40.0L 3a240 5.5 20.0m291 ICQ XX KUG I C 5.48mAT6 IC6 TYT 0 U8*0.03 12.6 0.8s 0.8 Location: Observatoire Chante-Perdrix, Dauban (MPC A77); Comment: Comet Alt. 39.8 Observation submission date 2025 Sep 18 07h39m20s Observation modification date 2025 Sep 18 08h09m30s