NASA/JPL elements
IAU/MPC elements
On 2023 Mar 20 20h14 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 10.0 | Aperture radius used for m1 | 2.5 ' | Nuclear magnitude (m2) | 13.0 | Aperture radius used for m2 | 6 " | Coma diameter | 5.0 ' | Coma condensation degree (DC) | 5 | Tail length | 0.2 ° | Tail position angle (PA) | 48 ° | Afrho | 1050 cm | Afrho error | 70 cm | r (dist/Sun) | 1.527 AU | d (dist/Earth) | 1.496 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 | 5 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 141.5 s | Exposure details | 42*2+23*2.5s | Sky transparency (naked eye max mag) | 6 | Seeing | 3 | Moon phase | 170 ° | Moon elongation | 180 ° | Air mass | 2.7 | Location | blieux | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binnig, flat, alignement, somme, retrait gradient | Remarks or comments | Afrho sur couche R photos en RAW (57.5s) | Observation submission date | 2023 May 24 13h49m09s |
(Record n° 27090)