NASA/JPL elements
IAU/MPC elements
On 2025 Dec 29 03h15 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 11.7 | Aperture radius used for m1 | 1.5 ' | Nuclear magnitude (m2) | 14.5 | Aperture radius used for m2 | 6 " | Coma diameter | 3.2 ' | Coma condensation degree (DC) | 5 | Tail length | 0.08 ° | Tail position angle (PA) | 105 ° | Afrho | 1891 cm | Afrho error | 43 cm | r (dist/Sun) | 2.576 AU | d (dist/Earth) | 1.841 AU | Instrumental configuration | Config1 | Instrument | Dobson T407mm | Instrument type | Newton | Instrument aperture (0=naked eye) | 407 mm | Instrument focale length | 1750 mm | Instrument focale/diameter | 4.29 | Filter(s) | None | Camera | Sony alpha7s | Sensor | DC | Sensor size | 36x24 mm2 | Sensor pixels number | 4240x2832 | Sensor temperature | -3 °C | Binning | 2x2 | Mount | Dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 322 s | Exposure details | 73x2.5+32x1.6+22x4s | Sky transparency (naked eye max mag) | 6 | Seeing | 2 | Moon phase | 73 ° | Moon elongation | 124 ° | Air mass | 1.27 | Location | Hermeray (78) | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning flat alignement somme alignements cométaires somme retrait gradient | Remarks or comments | photométrie sur un sous lot de 52 images (RAW). Merci à Simon Fabre pour l'accueil et l'aide. afrho couche R | Observation submission date | 2025 Dec 29 21h24m52s | Observation modification date | 2026 Jan 24 17h36m34s |
(Record n° 30759)