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Open Focus - Autofocus DIY Style |
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Written by Dave Grennan
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Are you spending too long of those precious clear nights trying to attain that perfect focus? If so 'Open Focus' may well be the answer. 'Open Focus' is an open source set of plans schematics and drivers for an autofocus unit which can be coupled to many common focusers and can be built at home for a small fraction of the cost of a commercially available unit. Interested? Click the read more link below for details. |
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Sky At Night - February 2008 Lunar Eclipse |
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Written by Dave Grennan
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On February 21st 2008, Dave Grennan and Carl O'Beirnes visited the home of Sir Patrick Moore CBE to view the total lunar eclipse which occured that morning and thus participated in the March episode of the BBC's 'Sky at Night' programme. 
From left to right Dave Grennan, Sir Patrick Moore CBE, Carl O'Beirnes, Jon Culshaw |
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ISS/Atlantis Imaged from Dublin |
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Written by Dave Grennan
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The above image was taken as the International Space Station/Atlantis complex passed over Raheny Observatory on February 12th 2008. The image was taken with a 10" reflecting telescope and a highly sensitive camera capable of capturing many frames per second. From the resulting movie a single frame of very high quality was taken and furhter processed to show some of the detail seen here. Image by Dave Grennan. |
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