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Solar Observation: January 17, 2010

2010 January 17
by Russ

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.

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