Sunspot Group (NOAA 057)

Click on image to enlarge

Taken on August 4, 2002 from my backyard in Castro Valley, California

Televue 101 used with a Televue 4x Powermate 

Imaged through a Lumicon Halpha Solar Prominence Filter

With a B+W 93 Near IR filter (for additional attenuation)

Starlight Express HX916 camera (First light!)

FLI CFW1 filter wheel

Exposure: 0.01 seconds

NOAA LINK to more information on NOAA Sunspot group 057 on Aug 5, 2002  (

Hit Counter