The end stage of a large quiescent prominence's
17:00 to 18:00 UT April 19th 2010
Madrid (SPAIN)
Exposure: 7 x 1,000 frames (1/23")
Telescope : Takahashi FS152N
Filter : Solarmax90 bf30 h-alpha 656.28nm <0.7A
Camera : Imaging Source Dmk21
Software : RegiStax V5, Photoshop (CS2), ImageReady (CS2)