This
image of M27 was taken using C-14 telescope and FLI Dream Machine Camera.
Chroma Red and Green filters in combination with a light pollution notch
filter which reject Hg and Na lamp emissions were used. For the Blue,
Oxygen III filter was used. The image is the result of thirty 30s
exposures for each of red, green, and blue and luminosity. These were then
combined in Photoshop.
Please
click on the image to enlarge it.
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