NASA/JPL elements
IAU/MPC elements
On 2022 May 06 01h51 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 15.5 | Aperture radius used for m1 | 0.2 ' | Nuclear magnitude (m2) | 15.8 | Aperture radius used for m2 | 6 " | Coma diameter | 0.3 ' | Coma condensation degree (DC) | 7 | Tail length | 0.004 ° | Tail position angle (PA) | 245 ° | Afrho | 940 cm | Afrho error | 90 cm | r (dist/Sun) | 3.601 AU | d (dist/Earth) | 3.373 AU | Right ascension | 20 12 19.45 h m s | Declination | +14 39 27 ° ' " | 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 alpha7S | Sensor | DC | Sensor size | 36*24 mm2 | Sensor temperature | 8 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 81.1 s | Exposure details | 9X2S+16X1.6S+15X2.5S | Sky transparency (naked eye max mag) | 5.5 | Seeing | 2 | Moon phase | 45 ° | Moon elongation | 180 ° | Air mass | 1.5 | Location | Boulonville | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning,flat, alignemet, somme, retrait gradient | Remarks or comments | quasi stellaire, bien vue (comparaison DSS), au centre de l'image (crop 20x20') | Observation submission date | 2022 May 09 10h44m05s |
(Record n° 25541)