NASA/JPL elements
IAU/MPC elements
On 2020 Mar 15 20h24 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 13.5 | Aperture radius used for m1 | 1.3 ' | Nuclear magnitude (m2) | 17.4 | Aperture radius used for m2 | 6 " | Coma diameter | 2 ' | Coma condensation degree (DC) | 1 | r (dist/Sun) | 1.479 AU | d (dist/Earth) | 1.200 AU | Right ascension | 04 28 50.7 h m s | Declination | +64 54 45 ° ' " | Instrumental configuration | Config1 | Instrument | Dobson T407mm 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 alpha 7s | Sensor | DC | Sensor size | 36x24 mm2 | Sensor pixels number | 4240x2832 | Sensor temperature | 6 °C | Binning | 2x2 | Mount | Dobson sur Table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 40 s | Exposure details | 20x2sec | Sky transparency (naked eye max mag) | 6 | Seeing | 3 | Moon phase | 85 ° | Air mass | 1.1 | Location | Boulonville (28) | Reference stars catalog | APASS | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | flat, alignement, retrait gradient, somme | Remarks or comments | NGC 1569 dans le champ | Observation submission date | 2020 Mar 17 19h07m56s |
(Record n° 21741)