Object: Messier 16 (NGC 6611)Type: Open cluster with nebula
Distance: 9000 light years
Constellation: Serpens Cauda
Date: 15 July 2006
Equipment: SXV-H9, Astronomix H-alpha filter, Vixen 114mm f5.3 ED refractor
Subframes: 16 x 120 second (unguided), 16 darks, 16 flats/flat darks, calibrated and stacked in AIP4Win.
I was restricted to only 16 subframes as the low altitude of this object means I can only catch it for about an hour as it passes between a gap in two houses that block out my view of the lowest regions of my southern sky.
The amount of detail in the final image was therefore quite pleasing.
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