Scroll down for older images (last update: 05/20/2009)
M101
Full resolution crop
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0bject |
M101 Spiral Galaxy in Ursa Major |
| Date | May 11 & 18, 2009 |
| Exposure | LRGB 110:30:30:30 (unbinned) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.6 on Losmandy G11 w/Gemini |
| Guiding | External guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Cool both nights with excellent seeing; a few high thin clouds |
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0bject |
M101 Spiral Galaxy in Ursa Major |
| Date | April 4 & 5, 2008 |
| Exposure | LRGB 90:15:15:15 (unbinned) |
| Camera | STL11000M with Astronomik filters |
| Telescope | Takahashi FSQ 106N @ f/5 on Losmandy G11 w/Gemini |
| Guiding | External guide head with E-finder |
| Processing | MaximDL, PhotoshopCS3, GradientXterminator |
| Comments | Clear and cool |
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0bject |
M101 Spiral Galaxy in Ursa Major |
| Date | 3/29 and 4/1/2006 |
| Exposure | HaLRGB 90:165:25:25:25 (RGB binned 2x2) |
| Camera | ST2000XM w/SBIG filters (Custom Scientific Hα) |
| Telescope | Celestron C8 @ f/6.7 on Losmandy G11 w/Gemini |
| Guiding | Self-guided ST237 |
| Processing | MaximDL, FITS Liberator, PhotoshopCS |
| Comments | Moderate seeing both nights |
