The sun goes through a periodic 11 year cycle of increasing and decreasing solar activity. This full disk image of the sun in the light of 0.7 angstrom hydrogen alpha was taken during solar minimum with the solar disk relatively smooth and activity free.
Date Imaged: March 16, 2008
Lens: Borg 77ED f/6.5
Exposure: 0.001 sec
Mount: AP 600
March 16, 2008
Borg 77ED f/6.5
0.001 sec
AP 600
Camera: Atik 16HR
Filter: Coronado SM60
Location: Stardust Observatory, Baguio, Philippines
Na
Atik 16HR
Coronado SM60
Stardust Observatory, Baguio, Philippines
60 P. Paterno St., Brgy. South Drive, Baguio City, 2600
Philippines