Eyepiece Sketch January 17, 2010 1852 UT

 
SOHO Image January 17, 2010 1600 UT
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.