Contains:  Solar system body or event
Full disc H-alpha sun, Bernd Limburg

Full disc H-alpha sun

Full disc H-alpha sun, Bernd Limburg

Full disc H-alpha sun

Equipment

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Description

Finally, after a longer time of H-alpha abstinence, I took a new picture of the sun's full disc with my H-alpha setup. APO 130F7, stopped down to 60 mm aperture (f/15), D-ERF energy rejection filter, Quark Chromosphere Combo (no telecentric barlow), ASI 183MM.

Effective focal length is 910 mm which results in just a bit more than 0.5 deg FOV in the camera's vertical direction. No flats used, next time  I definitely will...

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Full disc H-alpha sun, Bernd Limburg