NASA/JPL elements
IAU/MPC elements
On 2022 Aug 27 21h33 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 12.8 | Aperture radius used for m1 | 0.6 ' | Nuclear magnitude (m2) | 14.0 | Aperture radius used for m2 | 6 " | Coma diameter | 0.9 ' | Coma condensation degree (DC) | 7 | Tail length | 0.06 ° | Tail position angle (PA) | 116 ° | Afrho | 1265 cm | Afrho error | 235 cm | r (dist/Sun) | 2.343 AU | d (dist/Earth) | 2.167 AU | Right ascension | 16 30 00 h m s | Declination | +33 00 00 ° ' " | 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 | 15 °C | Binning | 2x2 | Mount | dobson sur table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 90 s | Exposure details | 20x1.6+29x2s | Sky transparency (naked eye max mag) | 6 | Seeing | 2 | Moon phase | 170 ° | Moon elongation | 180 ° | Air mass | 1.35 | 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(couche R image RAW) Afrho(R+V+B RAW) = 1120+-215 cm | Observation submission date | 2022 Aug 30 17h27m31s |
(Record n° 25917)