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Images of the Sun

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The Sun

The Sun: Film exposure

4" f/6.5 APO working at f/13;
Date: September 25, 2000;
Site: Franz-Josefs Höhe, Carinthia;
Exposure time: 1/250 second;
Film: Kodak Ektachrome E200;
Filter: Thousand Oaks photographic, ND 4.0.

Click here for an Observation Report (in German)

 Solar Flare Region with Sunspots

Solar Flare Region with Sunspots

4.1" f/6.2, working at f/12.4 (2x Barlow);
Date: August 2nd, 2003;
Webcam: Philips ToUCam Pro;
Site: Niederleis/Lower Austria;
Exposure time: 149 x 1/1000s;
Filter: Thousand Oaks photographic, ND 4.0.

Wavelet filtering was applied.

 Sunspot Group

Sunspot Group

4.1" f/6.2, working at f/12.4 (2x Barlow);
Date: August 2nd, 2003;
Webcam: Philips ToUCam Pro;
Site: Niederleis/Lower Austria;
Exposure time: 146 x 1/1000s;
Filter: Thousand Oaks photographic, ND 4.0.

Wavelet filtering was applied.
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