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adam stuart | all galleries >> Galleries >> nebulae_in_hydrogen_alpha_and_oiii > m27002_StdDevMean32.jpg
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8-2-07 Adam Stuart

m27002_StdDevMean32.jpg

Miami, FL

M27
Troubleshooting the west-east star elongation.

SXV-H9,2.75 arc-sec/pixel
Stellarvue Nighthawk piggybacked on STV-guided LX200 at 1,575 mm. Astronomik 13 nm H-alpha filter and Schuler -VIR filter,
3 x 900 seconds unbinned 1x1. Sigma combined in Ray Gralak's pre-beta-11. full exif

other sizes: small medium large original auto
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