NASA/JPL elements
IAU/MPC elements
On 2022 May 05 21h04 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 10.4 | Aperture radius used for m1 | 1.7 ' | Nuclear magnitude (m2) | 13.0 | Aperture radius used for m2 | 6 " | Coma diameter | 3.0 ' | Coma condensation degree (DC) | 6 | Afrho | 17370 cm | Afrho error | 1160 cm | r (dist/Sun) | 3.706 AU | d (dist/Earth) | 4.055 AU | 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 | 9 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 79 s | Exposure details | 8X2.5S+13X2S+33X1S | Sky transparency (naked eye max mag) | 5 | Seeing | 2 | Moon phase | 45 ° | Moon elongation | 20 ° | Air mass | 3 | 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 | Afrho calculé sur couche R | Observation submission date | 2022 May 09 18h52m51s |
(Record n° 25544)