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A quick look at the Sun
In the afternoon the Sun came out for a few minutes, so I quickly got out the 4-inch refractor and the Herschel-Wedge. There was a wonderful active region visible, AR 0904. The umbra looked jet-black against the "Green" Sun. I use the Baader Herschel-Wedge combined with a 3.0 neutral density filter and the Baader Continuum Filter. Simply beautiful. For visual observing of the Sun in white light, I never had any better views than with this fine piece of equipment. The image does not come close to what I really observed, but it should give you an idea. I stacked it from 235 frames from some video-footage I shot with my Canon camcorder. I used Registax for stacking.


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Posted by Math on 08/18 at 05:17 PM
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