Orbital period : 5.44 years
NASA/JPL elements
IAU/MPC elements
On 2019 Jan 03 00h16 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 6.4 | Aperture radius used for m1 | 9.0 ' | Nuclear magnitude (m2) | 12.3 | Aperture radius used for m2 | 6.0 " | Coma diameter | 19 ' | Coma condensation degree (DC) | 4 | r (dist/Sun) | 1.093 AU | d (dist/Earth) | 0.132 AU | Right ascension | 07 25 33.6 h m s | Declination | +58 27 39 ° ' " | 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 alpha 7s | Sensor | DC | Sensor size | 36x24 mm2 | Sensor pixels number | 4240*2832 | Sensor temperature | 0 °C | Binning | 2x2 | Mount | Dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 107.5 s | Exposure details | 23x2.5s+7x4s+11x2s | Sky transparency (naked eye max mag) | 6 | Seeing | 4 | Air mass | 1 | Location | Boulonville (28) | Reference stars catalog | Tycho-2 | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning, division par flats sur nuages, alignement (étoiles par séquence de 1min et réalignement sur noyau cométaire pour les 4 séquences), retrait gradient, balance des couleurs | Observation submission date | 2019 Jan 07 13h46m15s |
(Record n° 20340)