Medusa Nebula
By alan4908
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The Medusa Nebula is a faint planetary nebula that was only discovered in 1955, presumably due to faint nature of the object !
The image is an LRGB with an Ha blend into both the L and Red channels. To get a reasonable looking deep red colour, I only blended a small percentage of the Ha into the L channel.
The faintness of this object, makes this a very difficult to process. While the Ha yielded some details but I think it would be improved by adding some OIII narrowband data. I will therefore attempt a bi-colour (Ha/OIII) at some point.
LIGHTS: L:6, R:8; G:12;B:8 x 600s, Ha:14 x 1800s. DARKS:30, BIAS:100, FLATS:40 all at -20C.
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