Gallery: 46P/Wirtanen
Image taken by Charles Bell
Fig 1:
| Image Parameter | Details |
| Image Date (UTC): | 2018-11-08 |
| Image Time (UTC): | 18:13:24 |
| Exposure: | 600s |
| Filter: | L |
| Field of View: | |
| Observing Site: | iTelescope T12 Telescope Siding Spring Q62 |
| Observing Equipment: | |
| Digital Processing: | |
| Comments: |
46P/Wirtanen 2018-Nov-08 18:13:24 UTC Imaged remotely with iTelescope T12 Telescope Siding Spring Q62 Exposure 600 seconds Telescope Aperture = 106 mm Focal Length = 530 mm (f/5.0) Imager: FLI; Detector Size 4008 by 2672 pixels 9.0µ by 9.0µ pixel size Broadband optical filter (Luminance) Observer Charles Bell Focal Length = 530.0mm, Rotation = -4.03° Pixel Size: 3.50"×3.50", Field of View: 234.0'×156.0' Magnitude 11.2 +/- 0.17 aperture radius 43.8 arc sec G Band Gaia2 Magnitude 10.0 +/- 0.17 aperture radius 106.8 arc sec G Band Gaia2 Coma diameter 16 arc min Fits image ArcSinh stretched with Fits Liberator and oriented with North up, East left No modifications, Ephemeris data: t - T = -34.38523 days True Anomaly = 322.2872 deg (or -37.7128) Delta = 0.232 AU r = 1.151 AU Elongation = 129.0 deg Phase = 42.0 deg MPC M1 ephemeris magnitude 11.7 Sky Motion 0.41"/min P.A. 029.9 deg PsAng = 16.1 deg PA of sun-comet extended radius vector (JPL Horizons) PsAMV = 264.7 deg = PA of negative velocity vector -v (JPL Horizons) PlAng = + 30.8 deg Angle between observer and comet orbital plane Constellation: Fornax (For) |
Table 1: Data about image.