| Dobsonian Astrophotography |
| NGC 7635 H-alpha |
| Telescope: Obsession Mirror: 25" f/5 Galaxy Optics Drive: AZ/ALT, StellarCAT ServoCAT with DSC Argo Navis |
| Camera Equipment: ST-10XME Class 2 CCD, CFW-8A (H-alpha filter), AO-7, Pyxis Field De-Rotator, TCF-S |
| Exposure: single 30 minutes Processing: CCDOPs, MaxIm DL 4.1, Photoshop
5.0 |
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Location: My backyard in Ridgecrest, CA (Mojave Desert), 2600 ft. elevation, population 30,000 Date: 7/31//05 Comments: H-alpha (656.3/4.5 nm) 1.25 inch filter from Custom Scientific, Inc. |