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Gordon Garcia | all galleries >> Galleries >> Solar Astronomy > Solar Disk in H-alpha
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July 14, 2002 Gordon Garcia

Solar Disk in H-alpha

Telescope: Astro-Physics 130 mm (5.1") f/8 Starfire EDT apochromat refractor, aperture stopped to 63 mm with DayStar Energy Rejection Filter (ERF, Other equiment: 2X DayStar barlow (f/32),
Filter: DayStar 0.56 Angstrom H-alpha filter tuned to centerline (6562.8 Angstroms),
Camera: Olympus OM-1n (film), Film: Kodak Technical Pan 2415, 35 mm, Exposure: 1/125 second,
Developer: D19 for 4 minutes at 68 degrees F., Printed on Kodak Polycontrast III RC paper


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