NGC2346. This butterfly-shaped planetary nebula lies in the constellation of Monoceros. I captured five minute sub frames with matching dark frames and combined them with flat field frames to reduce the effect of vignetting in the final image. I was using my ten inch f/4.8 reflector, a Vixen Atlux mount, PHD auto-guiding, an Atik 383L mono CCD camera and a set of Astronomik narrowband filters, S11, O111, and H-alpha. The total exposure times were 35 minutes for each filter.
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Bi-colour image
Hubble Palette
