Thursday 2 August 2012

A new View of Altair

I have been looking at a few different ways of making an effective diffraction grating. Just thought I would post this pic of Altair. Not going to tell you yet what I have used. This is a stack of 3 pics from 30, 90, 150 seconds. Not quite the desired effect but looks good to me nonetheless.

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California Nebula

  NGC1499 The California Nebula. Discovered in 1889 The California Nebula is an emission nebula in the constellation of Perseus, currently v...