NASA/JPL elements
IAU/MPC elements
On 2023 Jan 31 05h03 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 5.2 | Aperture radius used for m1 | 12 ' | Nuclear magnitude (m2) | 10.2 | Aperture radius used for m2 | 6 " | Coma diameter | 23 ' | Coma condensation degree (DC) | 5 | Tail length | 0.7 ° | Tail position angle (PA) | 350 ° | Afrho | 1710 cm | Afrho error | 30 cm | r (dist/Sun) | 1.151 AU | d (dist/Earth) | 0.290 AU | Instrumental configuration | Config1 | Instrument | Dobson 407mm F/D 4.3 | 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 | 36*24 mm2 | Sensor pixels number | 4240*2832 | Sensor temperature | -3 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 52.5 s | Exposure details | 21x2.5s | Sky transparency (naked eye max mag) | 6 | Seeing | 3 | Moon phase | 60 ° | Moon elongation | 180 ° | Air mass | 1.25 | Location | Boulonville | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | Binning, flat, alignement, somme aligné comète, +-retrait gradient - image RAW | Remarks or comments | Afrho couche R (RAW) | Observation submission date | 2023 Feb 28 14h48m32s |
(Record n° 26825)