Site and content copyright Robert Allevo 2002-2008
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M109 |
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BARRED SPIRAL GALAXY in URSA MAJOR
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Technical Details |
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| Optics | 12" Meade operating at f/9.2 (2815mm) |
| Mount | Losmandy Titan - modified by Scott Oates |
| Camera | SBIG ST-10XME, CFW8-A |
| Filters | Tru Balance LRGB. |
| Date | March 12, 2005 |
| Exposure | LRGB = 55:30:30:30 minutes - 5 minute integrations |
| Processing | MaximDl, Photoshop CS |
| Guiding | Self guided |
| Binning | Lum - 1x1, RGB - 2x2 |
| Location | My back yard observatory in East Hartland, Ct. |
| Notes | M109 is about 55 million light-years distant. |
PREVIOUS ATTEMPT
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10" f/7.3 Meade LX200 GPS ST8E / CFW8 LRGB = 160:30:30:40 minutes Data taken on Apr 12-27, 2003 |
