Time Lapse of Galactic Center of Milky Way rising over Texas Star Party

Galactic Center of Milky Way Rises over Texas Star Party from William Castleman. According to William Castleman: The time-lapse sequence was taken with the simplest equipment that I brought to the star party. I put the Canon EOS-5D (AA screen modified to record hydrogen alpha at 656 nm) with an EF 15mm f/2.8 lens on a weighted tripod. Exposures were... http://ping.fm/fxyEi