Orbital period : 5.44 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 08 01h34 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 14.8 | Aperture radius used for m1 | 0.7 ' | Nuclear magnitude (m2) | 16.5 | Aperture radius used for m2 | 6 " | Coma diameter | 1.3 ' | Coma condensation degree (DC) | 4 | r (dist/Sun) | 1.608 AU | d (dist/Earth) | 0.699 AU | Right ascension | 01 38 43.5 h m s | Declination | -19 49 06 ° ' " | Instrumental configuration | Config1 | Instrument | Dobson 407mm F/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 | 5 °C | Binning | 2x2 | Mount | Dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 62.5 s | Exposure details | 25*2.5s | Sky transparency (naked eye max mag) | 6 | Seeing | 2 | Moon phase | 170 ° | Air mass | 2.6 | Location | Boulonville (28) | Reference stars catalog | Gaia DR1 | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | alignement, somme, retrait gradient | Remarks or comments | Soupçon de halo/coma vert de 1.5' | Observation submission date | 2018 Sep 10 10h48m49s |
(Record n° 19667)