Galaxies - NGC 4945, 4945A,
4976
NGC 4945 appears as a
large bright 21 x 4.5' edge on barred-spiral galaxy in the southern constellation Centaurus.
The star Xi 1 Centaurus appears as the bright white-blue star at bottom-right.
The star Xi 2 Centaurus appears as the bright white-blue star on the bottom-left
edge of the image. NGC 4945 is the large galaxy
at centre-right,
NGC 4945A appears as a faint smudge behind the bright white star at
centre-bottom-left.
NGC 4976 appears at the top-left corner.
| Image | NGC4945 20060424 |
| Field of View | 49' x 32' arc-minutes (approx.). |
| Telescope | 12-inch f/5 newtonian telescope. |
| Guiding | hand guided with 4.5-inch f/18 guide-scope. |
| Camera |
Canon EOS 300D - full spectrum enabled. |
| Exposures | 8 x 5-minute exposures @ ISO-200. |
| Total Exposure time | 40 minutes |
| Filter/equipment |
Baader 2" Multi-Purpose Coma Corrector. Baader 2" UV/IR Cut Filter. |
| Sky Conditions | Seeing: 8/10, Wind: 2/10, Moisture: 3/10 |
| Ambient Temperature | 9.5°C |
| Processing | Dark
frame subtraction, bias and flat-fielded in Iris. Photoshop for colour balance and image enhancement. |
| Exposure Date | 2006, Apr 24. |
(C) Copyright 2006 Paul Mayo.
paulm@skylab.com.au