Sun - May 2005
Location :
Optics :
Filter(s) :
Mount :
Optics :
Filter(s) :
Mount :
Landgraaf
TS 127/820mm Refractor
Baader Astro Solar filter foil
OTE150
Autoguiding :
Camera :
Exposure info :
Total Exposure :
Camera :
Exposure info :
Total Exposure :
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Canon 20D
60 x 1/1600 sec @ ISO800
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Canon 20D
60 x 1/1600 sec @ ISO800
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Additional notes and remarks:
Object info
A sunspot is a (relatively) cool area on the Sun's surface (photosphere) which has an enormous amount of magnetic activity.
The amount of sunspots visible at any time on the Sun changes periodically, as the Sun goes through a cycle of activity which lasts roughly 11 years.
The strong magnetic fields of sunspots are also responsible for solar flares, which in turn cause the Aurora Borealis (Northern nd Southern Lights) here on Earth.
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