NASA/JPL elements
IAU/MPC elements
On 2018 Jul 18 02h08 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 8.0 | Aperture radius used for m1 | 2.5 ' | Nuclear magnitude (m2) | 12.0 | Aperture radius used for m2 | 4 " | Coma diameter | 5.0 ' | Coma condensation degree (DC) | 5 | Tail length | 0.2 ° | Tail position angle (PA) | 310 ° | r (dist/Sun) | 0.876 AU | d (dist/Earth) | 1.127 AU | Right ascension | 05 09 38.4 h m s | Declination | +56 03 52.0 ° ' " | 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 | Binning | 2x2 | Mount | Dosbson | Motorization | No | Autoguide | No | Exposure total time | 18.3 s | Exposure details | 60*1/4+10*1/3s | Sky transparency (naked eye max mag) | 5 | Seeing | 2 | Moon phase | 111 ° | Moon elongation | 100 ° | Air mass | 1.9 | Location | Versailles | Reference stars catalog | Tycho-2 | Used softwares | IRIS | Resulting picture sampling (scale) | 2.0 "/pix | Image processing | alignement, somme, retrait gradient (conversion niveaux de gris pour magnitudes) | Remarks or comments | Nord en PA=80° Magnitudes R/V/B = 10.3/7.4/7.9 | Observation submission date | 2018 Jul 18 14h07m36s |
(Record n° 19349)