NASA/JPL elements
IAU/MPC elements
On 2023 Feb 25 21h25 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 8.3 | Aperture radius used for m1 | 4.5 ' | Nuclear magnitude (m2) | 12.1 | Aperture radius used for m2 | 6 " | Coma diameter | 9 ' | Coma condensation degree (DC) | 5 | Tail length | 0.3 ° | Tail position angle (PA) | 40 ° | Afrho | 1120 cm | Afrho error | 40 cm | r (dist/Sun) | 1.311 AU | d (dist/Earth) | 0.817 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 | 57.8 s | Exposure details | 8x1.6+45x1s | Sky transparency (naked eye max mag) | 5 | Seeing | 3 | Moon phase | 100 ° | Moon elongation | 30 ° | Air mass | 1.5 | Location | Boulonville | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning,flat,alignement,somme,retrait gradient | Remarks or comments | Afrho couche R | Observation submission date | 2023 Feb 26 16h06m41s |
(Record n° 26822)