NASA/JPL elements
IAU/MPC elements
On 2019 Jul 30 02h44 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 13.1 | Aperture radius used for m1 | 1.0 ' | Nuclear magnitude (m2) | 15.1 | Aperture radius used for m2 | 6.0 " | Coma diameter | 2.0 ' | Coma condensation degree (DC) | 4 | r (dist/Sun) | 3.754 AU | d (dist/Earth) | 4.287 AU | Right ascension | 04 52 41.3 h m s | Declination | +18 48 43 ° ' " | 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 | Camera | Sony Alpha 7s | Sensor | DC | Sensor size | 36x24 mm2 | Sensor pixels number | 4240*2832 | Binning | 2x2 | Mount | Dobson sur Table equatoriale JMI | Motorization | Yes | Autoguide | No | Exposure total time | 51 s | Exposure details | 17*3sec | Sky transparency (naked eye max mag) | 5.5 | Seeing | 4 | Moon phase | 165 ° | Air mass | 3 | Location | station de Valdrôme (26) | Reference stars catalog | GSC (HST) | Used softwares | IRIS | Resulting picture sampling (scale) | 2.0 "/pix | Image processing | alignement, somme, retrait gradient | Remarks or comments | Comète dans les arbres et jour levant (image inhomogène) | Observation submission date | 2019 Aug 01 17h22m14s |
(Record n° 20848)