Solar active regions 10988 and 10989
by Vern on Mar.29, 2008, under Astronomy, Solar
Image of active regions 10989 (lower left) and 10988 (top center) in h-alpha about 3:20 pm MDT.
Image taken with Solarscope Ltd. 50mm h-alpha telescope, Televue 2.5X Powermate, DMK 21AF04.AS camera 1/500 sec, 60 fps. Sky was clear, 5 mph wind, temperature 68 °F, turbulence about 6/10, transparency very good, location Louisville, CO.
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