Orion : Hydrogen alpha image
Horsehead Nebula in Orion
Orion is the most impressive constellation in the night sky. There are some well-known nebula in the costellation
such as Orion Nebula,
and M78 Nebula.
This is a 3 frame mosaic using the STL11K and Canon EFlens, in Hydrogen Alpha.
Optics: Canon EF100mm f2.8 Macro lens
Camera: SBIG STL-11000M, Astronomik Hydrogen alpha filter, Vixen SXD Mount
Total Exposure: 4hours, 3 frame Mosaic, an exposure of each frame = 20minutesx4
Software: Stellaimage5, PhotoshopCS
Location: Yoshinaga town, Okayama Prefecture, 2007