by Marcos L Rockenbach
Local: Caxias do Sul / Brazil
H-alpha: Telescope Coronado PST double stacked. Eyepiece Celestron X-Cell 18 mm. Stack 16 pictures. ISO 200, 1/25. Local time 08h12min.
Visible: Telescope Sky-Watcher Ed 80mm. Eyepiece Celestron X-Cell 18 mm, plus Baader Continum filter ( 03 shots ) and Meade filter ND96 ( 02 shots ). ISO 200, 1/60 and 1/30. Local time: 08h21min.
Prominences detail: single picture, 1/8, ISO 200, local time 08h15 min.
Original pictures black and white. Colour, contrast and brightness Photoshop CS4. Stack Photoshop CS4 and RegiStax 5.