Orbital period : 7.48 years
NASA/JPL elements
IAU/MPC elements
On 2021 Sep 17 02h24 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 11.2 | Aperture radius used for m1 | 1.7 ' | Nuclear magnitude (m2) | 13.9 | Aperture radius used for m2 | 6 " | Coma diameter | 3.5 ' | Coma condensation degree (DC) | 4 | Tail length | 0.11 ° | Tail position angle (PA) | 267 ° | r (dist/Sun) | 1.621 AU | d (dist/Earth) | 1.254 AU | Right ascension | 05 31 01.55 h m s | Declination | +17 47 31 ° ' " | 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 | Camera | SONY alpha7S | Sensor | DC | Sensor size | 36*24 mm2 | Sensor pixels number | 4240*2832 | Sensor temperature | 12 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 156.5 s | Exposure details | 20*3.2s+25*2.5s+15*2.0s | Sky transparency (naked eye max mag) | 6 | Seeing | 3 | Moon phase | 49 ° | Moon elongation | 137 ° | Air mass | 1.56 | Location | Boulonville | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning, flat, alignement, somme, retrait gradient | Remarks or comments | couche verte: m1=10.9, Dia.=3.8' | Observation submission date | 2021 Sep 21 22h41m17s |
(Record n° 23988)