Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2021 Sep 05 20h34 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 14.2 | Aperture radius for m1 | 0.5 ' | Magnitude (MPC m2) | 16.0 | Aperture radius for m2 | 6 " | Coma diameter | 0.8 ' | Coma condensation degree (DC) | 5 | r (dist/Sun) | 2.227 AU | d (dist/Earth) | 2.991 AU | Right ascension | 164.46042 ° | Declination | +40.76083 ° | 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 | Filter | None | Camera | SONY alpha7S | Sensor | DC | Sensor size | 36*24 mm2 | Sensor pixels number | 4240*2832 | Sensor temperature | 19 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 170 s | Exposure details | 16*1.6s+36*2s+13*2.5s+8*5s | Sky transparency (naked eye max mag) | 5.5 | Seeing | 2 | Moon phase | 180 ° | Moon elongation | 40 ° | Air mass | 4 | Location | Boulonville | Reference stars catalog (ast) | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning,flat,alignement,somme,retrait gradient | Remarks or comments | image passée en niveaux de gris (visu log), fond de ciel très brillant (ver horizon pollué). Incertitude 0.2mag ou un peu plus | Observation submission date | 2021 Sep 06 12h16m23s |
(Record n° 23914)