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2011-Nov-27 Sun

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發表於 2011-11-27 21:52:51 | 顯示全部樓層 |閱讀模式
Hi,
The seeing to day is satisfactory.
Here are some H-alpha images of the Sun.

Telescope: 155 mm f/9 AP Starfire EDT, stopped down to 50 mm, prime focus
Filter: Solar Spectrum 1.5/0.3A, with CERF pre-filter
Camera: Imperx 4M15, 2k x 2k pixel

pts
sun-201111271503.jpg
sun-201111271508.jpg
sun-201111271509.jpg
sun-201111271514.jpg
sun-201111271515.jpg
sun-201111271521.jpg
sun-201111271527.jpg
sun-201111271534.jpg
sun-201111271536.jpg
發表於 2011-11-28 23:13:12 | 顯示全部樓層
very good equipment spec...
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