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Sun
in Hydrogen Alpha
With
Coronado PST
Uploaded
6/25/05
This
is my first attempt at Ha solar photography, on a day of rather
average seeing and a completely spotless sun. There were however
a few dim prominences seen here, and it was a better result than
I expected for a first try. The Coronado PST was used, with a
Klee 3x barlow for projection. It was found that the 2x Coronado
barlow would not come to focus. Also, a dozen exposures were
taken rotating the tuning ring a bit in between, and the best
two image for the disk detail, and the one for the prominences
was selected. The combined image seen above shows the disk image
superimposed on top of the much brighter prominence exposure
so both may be seen in one image. |
Instrument: Coronado PST 40mm
Platform: Televue GEM
Camera: Canon 10D
Exposure: 1/60 at ASA200 RAW
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing 5/10, Transparency 8/10
Outside Temperature: 25 C
Processing: Photoshop CS
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