Gallery: 46P/Wirtanen
Image taken by Daniel James Watt
Fig 1:
| Image Parameter | Details |
| Image Date (UTC): | 2018-10-06 |
| Image Time (UTC): | 07:34 |
| Exposure: | 4×120s |
| Filter: | Bessel R |
| Field of View: | |
| Observing Site: | New Mexico, iTelescope.net (remote telescope) - MPC: H06 |
| Observing Equipment: | 200mm F4 Newtonian reflector, coma corrector, Canon 6D DSLR |
| Digital Processing: | Imaged cropped to center the comet, green channel extracted, histogram stretch. |
| Comments: | Plate solved in Pixinsight:
Image Plate Solver script version 4.1
===============================================================================
Referentiation Matrix (Gnomonic projection = Matrix * Coords[x,y]):
+5.31655e-006 -0.000466277 +0.248055
+0.000466717 +5.5157e-006 -0.392227
+0 +0 +1
Projection origin.. [833.996220 541.500048]pix -> [RA:+01 55 41.10 Dec:-27 48 00.72]
Resolution ........ 1.680 arcsec/pix
Rotation .......... 90.692 deg
Focal ............. 798.29 mm
Pixel size ........ 6.50 um
Field of view ..... 46' 41.4"×30' 18.9"
Image center ...... RA: 01 55 41.104 Dec: -27 48 00.71
Image bounds:
top-left ....... RA: 01 56 48.648 Dec: -28 11 31.68
top-right ...... RA: 01 56 50.563 Dec: -27 24 49.14
bottom-left .... RA: 01 54 31.149 Dec: -28 11 10.10
bottom-right ... RA: 01 54 34.045 Dec: -27 24 27.71
===============================================================================
|
Table 1: Data about image.


