by Marcos L Rockenbach
Local: Caxias do Sul / Brazil
Date: 21 April 2012 / H-alpha 08h25min - Visible: 08h42min
Date: 22 April 2012 / H-alpha 09h39min - Visible: 10h40min
H-alpha: Coronado PST doublestacked, Celestron X-Cel18mm.
Visible: Celestron CLT 150 mm refractor, Celestron X-Cel 18 mm plus Baader Solar Continuum Filter, Solar Filter Celestron.
Camera: Panasonic Lumix DMC-ZS1.
Original pictures black and white. Stack, contrast, color, brightness Photoshop CS4.