Prominences and Sunspot AR1534 on the Sun in Ha
Date/Time: July 31, 2012 2:12PM PDT
Location: My home, Victoria, BC, Canada
The large prominence just above centre in this image started as a flare, and is transitioning into a prom. Sunspot AR1534 is clearly visible 1/3 the way from the bottom of this photo,. There are some complex prominences on the Sun's surface near the sunspot.
Hutech-modified Canon T2i dSLR a-focal through a 2.5x Powermate, IDAS VLC filter & Lunt LS60THa + LS50FHa solar telescope mounted on an HEQ5 tracking mount.
Processing:
Adobe Lightroom 4 - crop, adjust light curves and clarity, annotate
Adobe Photoshop Elements 10 - Reduce colour depth to 8 bit, apply Sobel method edge detection.