Orbital period : 5.43 years
NASA/JPL elements
IAU/MPC elements
On 2017 Apr 17 23h54 UT by Nicolas Biver
(Copyright Nicolas Biver)
| Coma Total magnitude (m1) | 9.5 | Aperture radius used for m1 | 2.5 ' | Nuclear magnitude (m2) | 13.6 | Aperture radius used for m2 | 5 " | Coma diameter | 5 ' | Coma condensation degree (DC) | 3 | r (dist/Sun) | 1.047 AU | d (dist/Earth) | 0.159 AU | Right ascension | 17 19 17.4 h m s | Declination | +53 25 04 ° ' " | Instrumental configuration | Config1 | Instrument | T407 F/D 4.3 Dobson | 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 A7s | Sensor | DC | Sensor size | 36x24 mm2 | Sensor pixels number | 4240x2832 | Sensor temperature | 5 °C | Binning | 2x2 | Mount | Dobson | Motorization | No | Autoguide | No | Exposure total time | 28 s | Exposure details | 1s+29*1/2s+25*1/2s | Sky transparency (naked eye max mag) | 5 | Seeing | 3 | Air mass | 1 | Location | Crespières, yvelines, France | Reference stars catalog | Tycho-2 | Used softwares | IRIS | Resulting picture sampling (scale) | 2 "/pix | Image processing | somme de 2 séries à 23h54.4 et 24h03.1 recentrées sur la comète | Observation submission date | 2017 Apr 21 18h59m17s |
(Record n° 17561)