Gallery: 46P/Wirtanen
Image taken by Charles Bell
Fig 1:
| Image Parameter | Details |
| Image Date (UTC): | 2018-09-20 |
| Image Time (UTC): | 09:44:23 |
| Exposure: | 1113s |
| Filter: | R |
| Field of View: | |
| Observing Site: | Charles Bell H47 Vicksburg |
| Observing Equipment: | 0.3-m Schmidt-Cassegrain + SBIG ST8 |
| Digital Processing: | |
| Comments: |
46P/Wirtanen 2018-Sep-20 09:44:23 UTC Sky motion 0.77"/min P.A. 155.7 deg Exposure 1113 secs Stacked with Astrometrica Magnitude 15.3 R aperture radius 10.4 arc sec UCAC4 rho: 4300 km Afrho R = 17 cm Coma 27"×25" extended PA 285 deg Short tail 0.6 arc min PA 285 deg Charles Bell H47 Vicksburg 0.3-m Schmidt-Cassegrain + CCD + R filter ArcSinh stretched with Fits Liberator, annotated, cropped and enlarged 2× in Photoshop Astrometry submitted to the Minor Planet Center (see MPEC 2018-U70) Ephemeris data: t - T = -83.53038 days Delta = 0.572 AU r = 1.504 AU Elongation = 143.8 deg Phase = 23.2 deg PsAng = 303.1 deg PsAMV = 247.1 deg PlAng = 20.9 deg Constellation: Cetus (Cet) |
Table 1: Data about image.