by Marcos L. Rockenbach
Local: Caxias do Sul / Brazil
Telescope: Coronado PST double-stacked, eyepiece Celestron X-Cel 18 mm. Camera Panasonic Lumix DMC-ZS1, ISO 200, 1/25 and 1/40 sec.
Sun disc: Stack 25 pictures. Original pictures black and white. Colour, enhancement, constrast, brightness Photoshop CS4. Stack Photoshop CS4 and RegiStax5. Local time: 10h40min to 10h42min.
Sun detail: Stack 03 pictures, ISO 200, 1/15. Local time 10h49min.
Atmospheric conditions: 2º C, windy with sparse clouds.