Sunspot in white light/halfa AR2673/2674
Taken by Alessandro Bianconi on September 5, 2017 @
DOLIANOVA (CA) ITALY
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: Unavailable
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Details:
FOR WHITE LIGHT IMAGE:Truss tube refractor 228 mm F8, Baader Herschel Prism & Continuum Filter + Astronomik IR/UV cut filter
Camera ASI174MM
Barlow 3X (FL=5500mm)
FOR HALFA IMAGE: Truss tube refractor 228 mm F8, Daystar Quark Chromosphere Version
Camera ASI174MM
Photographer's website:
http://www.astrobin.com/users/sulcis2000/
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