NASA/JPL elements
IAU/MPC elements
On 2018 Jul 04 02h26 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 10.5 | Aperture radius used for m1 | 1.5 ' | Nuclear magnitude (m2) | 13.5 | Aperture radius used for m2 | 4 " | Coma diameter | 3.0 ' | Coma condensation degree (DC) | 4 | r (dist/Sun) | 1.176 AU | d (dist/Earth) | 1.486 AU | Right ascension | 03 42 37.8 h m s | Declination | +59 20 07 ° ' " | Instrumental configuration | Config1 | Instrument | Dobson 407 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 | dobson | Motorization | No | Autoguide | No | Exposure total time | 13.8 s | Exposure details | 55x1/4s | Sky transparency (naked eye max mag) | 4 | Seeing | 2 | Moon phase | 70 ° | Moon elongation | 90 ° | Air mass | 1.3 | Location | Versailles | Reference stars catalog | GSC (HST) | Used softwares | IRIS | Resulting picture sampling (scale) | 2.0 "/pix | Image processing | alignement, somme, et retrait gradient | Remarks or comments | m1=9.3 visule T407x72 diamètre 5' | Observation submission date | 2018 Jul 04 18h49m05s |
(Record n° 19304)