The nebula NGC 6357
| Image | Nebula NGC 6357 |
| Catalog | 20080508 |
| Telescope |
William Optics 110mm APO Refractor
f/5.95 telescope on
an observatory mounted Losmandy G-11 equatorial mount with Gemini 4. |
| Guiding | Autoguided with SBIG 402 on Orion ST-80 f/5 guidescope with CCDOps. |
| Camera |
Canon EOS 300D Digital - Hα enabled (modified). |
| Exposures | 23 x 4-minute exposures @ ISO 400. |
| Total Exposure time | 92-minutes. |
| Filter/equipment |
Astronomik 2" CLS filter, Baader Coma Corrector. |
| Processing |
Darks, bias and flat-fielded with ImagesPlus, post processing in Photoshop. |
| Notes | Focused with DSLR Focus. |
(C) Copyright 2008 Paul Mayo.
paulm@skylab.com.au