Prominences & Sunspot AR2673-2674-2679
Taken by ALESSANDRO BIANCONI on September 9, 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:
Refractor Truss Tube 228mm F8 + Daystar Quark Chromosphere Version & ASI174MM (for halfa image)
FL = 7800mm
For white light images I used a Baader Cool Ceramic Herschel wedge + Continuum filter + IR/UV Cut + Barlow 3X (FL = 5500mm)
Photographer's website:
http://www.astrobin.com/users/sulcis2000/
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