NASA/JPL elements
IAU/MPC elements
On 2021 Sep 01 22h51 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 13.0 | Aperture radius used for m1 | 0.8 ' | Nuclear magnitude (m2) | 14.9 | Aperture radius used for m2 | 6 " | Coma diameter | 1.1 ' | Coma condensation degree (DC) | 5 | r (dist/Sun) | 5.461 AU | d (dist/Earth) | 5.385 AU | Right ascension | 16 57 09.4 h m s | Declination | +32 26 05 ° ' " | 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 pixels number | 4240*2832 | Sensor temperature | 13 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 81 s | Exposure details | 23*2s+14*2.5s | Sky transparency (naked eye max mag) | 5.5 | Seeing | 3 | Moon phase | 135 ° | Moon elongation | 180 ° | Air mass | 1.7 | Location | Boulonville | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | binning, flat, alignement, somme, retrait gradient | Observation submission date | 2021 Sep 05 00h01m25s |
(Record n° 23906)