NASA/JPL elements
IAU/MPC elements
On 2021 Oct 14 02h50 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 11.0 | Aperture radius used for m1 | 1.4 ' | Nuclear magnitude (m2) | 13.2 | Aperture radius used for m2 | 6 " | Coma diameter | 2.5 ' | Coma condensation degree (DC) | 6 | Tail length | 0.04 ° | Tail position angle (PA) | 293 ° | r (dist/Sun) | 3.643 AU | d (dist/Earth) | 3.486 AU | Right ascension | 07 40 00 h m s | Declination | +42 01 30 ° ' " | 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 | 4 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 83 s | Exposure details | 19*2.0+18*2.5s | Sky transparency (naked eye max mag) | 5.5 | Seeing | 3 | Moon phase | 90 ° | Moon elongation | 180 ° | Air mass | 1.2 | Location | Boulonville | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning, flat, alignement, somme, retrait gradient | Observation submission date | 2021 Oct 17 11h17m37s |
(Record n° 24194)