Starry Vistas by Don J. McCrady
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The Sun

White Light + H-Alpha Filter

These images started with an experiment. I don't have a dedicated H-alpha solar imaging system, but I do have a simple white light filter, and I do have a deep-sky H-alpha filter.  Together they provide some of the same benefits of increased contrast that  a dedicated solar H-alpha filter provides.

The combination of these two filters produces a monochrom image, which I then present with false-colour for artistic reasons.

July 21, 2010

(with sunspots 1089 & 1087)


June 12, 2010

(with sunspots 1080 & 1081)

Click for large size

October 11, 2008

(with emerging sunspot 1004)

Click for large size
Takahashi Sky 90 at f/4.5
SBIG STL-4020M (uguided)
Takahashi EM-200
H-alpha:  0.03s
Hutech LPS Filter
White solar filter + Astrodon H-alpha filter
Processed in Maxim/DL, Registax, and Photoshop


August 5, 2007

Click for large size
Takahashi Sky 90 at f/4.5
SBIG STL-4020M (self-guided)
Takahashi EM-200
Hutech LPS Filter
White solar filter + Astrodon H-alpha filter
Processed in Maxim/DL and Photoshop