 |
| Acquisition: |
| Date: 12/04/2008 |
| Location: Golden Grove , Western Australia |
| Optics: Skywatcher 200mm f/5 Newtonian |
| Camera: Modified Canon EOS 350D (low-pass filter removed) |
| Filter/other: Astronomik UV-IR Block L, MPCC |
| Mount: Skywatcher EQ6 Skyscan |
| Focus: DSLRFocus |
| Guiding: PHDGuide, Celestron NexImage, 70mm f/12 refractor |
| Exposure: 23 x 240sec ISO800 (1hr 31mn 37s combined) |
| Processing: |
| DeepSkyStacker: Calibration, Average stacking |
| Photoshop CS2: levels, colour balance, curves, saturation, scaling, jpeg conversion |
| Noiseware: Noise reduction |
| Comments: |
| Star field over exposed. ISO400 @ 240sec would be more suitable for bright Milkyway targets. |
|
Trifid Nebula |
| Constellation Sagittarius |
| 5200 ly |
| Magnitude 5.0 |