NASA/JPL elements
IAU/MPC elements
On 2020 May 15 23h03 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 15.8 | Aperture radius used for m1 | 0.33 ' | Nuclear magnitude (m2) | 17.0 | Aperture radius used for m2 | 6 " | Coma diameter | 0.67 ' | Coma condensation degree (DC) | 6 | r (dist/Sun) | 9.166 AU | d (dist/Earth) | 8.925 AU | Right ascension | 18 04 53.2 h m s | Declination | +52 52 08 ° ' " | Instrumental configuration | Config1 | Instrument | Dobson T407mm 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 alpha 7s | Sensor | DC | Sensor size | 36x24 mm2 | Sensor pixels number | 4240x2832 | Binning | 2x2 | Mount | Dobson sur Table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 69 s | Exposure details | 17x2+14x2.5s | Sky transparency (naked eye max mag) | 6 | Seeing | 3 | Air mass | 1 | Location | Boulonville (28) | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | division flat, alignement, somme, retrait gradient | Observation submission date | 2020 Jun 27 23h22m47s |
(Record n° 22108)