Sun
5:21pm, May 16, 2013.
Astrophysics Dept. Picnic
Baader Solar Filter.
Canon 450D DSLR coupled to 3.5" Questar at axial port
Stack of six exposures.
Mild unsharp mask (low pass filter).
Click on image for full-size version.
June 14, 2012.
Baader Solar Filter.
Canon 450D DSLR coupled to 3.5" Questar at axial port
Stack of six exposures.
Mild unsharp mask (low pass filter).
Click on image for full-size version.
