Eyepiece Sketch January 17, 2010 1852 UT
SOHO Image January 17, 2010 1600 UT
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January 17, 2010 1852 UTEdmond, Oklahoma USASeeing: Poor
Sunspot Groups (G): 1
Sunspots (S): 3
Sunspot Number (W): 13
W = (G *10) + S
W = (1 * 10) + 3
W = 13
Telescope: 150 mm f/9 Newtonian stopped to 80 mm.
Eyepieces: 26 mm (50X) and 2X Barlow (100X).
Filter: Orion full aperture.
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