Orbital period : 17872.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Mar 30 03h55 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 7.9 | Aperture radius used for m1 | 3.0 ' | Nuclear magnitude (m2) | 12.7 | Aperture radius used for m2 | 4.0 " | Coma diameter | 6 ' | Coma condensation degree (DC) | 6 | r (dist/Sun) | 0.753 AU | d (dist/Earth) | 0.606 AU | Right ascension | 21 19 52 h m s | Declination | +04 51 23 ° ' " | 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 A7S | Sensor | DC | Sensor size | 36*24 mm2 | Sensor pixels number | 4240x2832 | Binning | 2x2 | Mount | néant | Motorization | No | Autoguide | No | Exposure total time | 22.9 s | Exposure details | 21x1/4+30x1/2+8x1/3s | Sky transparency (naked eye max mag) | 6 | Seeing | 3 | Air mass | 4 | Location | Blieux (04) | Reference stars catalog | Tycho-2 | Used softwares | IRIS | Resulting picture sampling (scale) | 2.0 "/pix | Image processing | somme et retrait de gradient sous IRIS, recentrage des 3 séries sur la comète | Remarks or comments | Nord vers PA~15° | Observation submission date | 2017 Apr 04 19h30m35s |
(Record n° 17407)