Upper (circumzenithal) arc and sundog - 28 June 2011

Posted by MROCKENBACH
on Saturday, July 16, 2011

by Marcos L Rockenbach

Local: Caxias do Sul / Brazil

Scenery: stack 03 pictures, camera Panasonic Lumix DMC-FH20, ISO 100, 1/2000. Local time 15h17min.

Bottom detail: Stack 04 pictures, ISO 100, 1/1000.

Contrast and brightness Photoshop CS4.

Sun h-alpha: Telescope Coronado PST double stacked. Eyepiece Celestron X-Cel 18mm. Camera Panasonic Lumic DMC-ZS1, ISO 200, 1/30. Stack 15 pictures. Original pictures black and white. Color, constrast and brightness Photoshop CS4. Local time 08h18min to 08h20min.

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