NGC 7023, The Iris Nebula.
An image made during three nights in South France (29-30, 30-31 Aug, 31 Aug-01 Sep 2005) and one night at home (4 Sep 2005) with a Vixen VC200L and Vixen f/6.4 reducer. 290 m Luminance, 100 m Red, 100 m Green, 100 minutes blue. Filters where the standard SBIG LRGB ones. The camera used was a SBIG ST-2000XM.
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