Orbital period : 10687.00 years
NASA/JPL elements
IAU/MPC elements
On 2018 Jan 05 19h28 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 12.9 | Aperture radius used for m1 | 1.5 ' | Nuclear magnitude (m2) | 14.4 | Aperture radius used for m2 | 10 " | Coma diameter | 3 ' | Coma condensation degree (DC) | 2 | r (dist/Sun) | 2.915 AU | d (dist/Earth) | 2.084 AU | Right ascension | 04 18 42 h m s | Declination | +15 33 55 ° ' " | Instrumental configuration | Config1 | Instrument | Dobson 407 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 | Sensor temperature | 6 °C | Binning | 2x2 | Mount | dobson | Motorization | No | Autoguide | No | Exposure total time | 37 s | Exposure details | 111x1/3s | Sky transparency (naked eye max mag) | 4 | Seeing | 4 | Location | Versailles | Reference stars catalog | Tycho-2 | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | sommes de 111 images, retrait gradient visu ddp + saturation renforcée | Remarks or comments | En pleine ville, SQM=18.2, le 5 janvier 2018 | Observation submission date | 2018 Jan 07 17h58m33s | Observation modification date | 2018 Jan 07 23h01m08s |
(Record n° 18737)