Name Dumbble nebula in Vulpecula(the fox) constellation.this nebula was discovered by CH.Messier in 1769.visual magnitude 7.5it is easily visible in binoculars, and a popular observing target in amateur telescopes.
i used: Autoguide with lx200gps 10in Fr3.3 Dsi ccd/piggyback borg 77EDII F6.6 and Atik 314L+at -5deg.
ccd.Astrodon filter H-alpha 5nm.
exposure:2x5min/4x8min/4x10min.
processing with :APShop CS3/aip4winV2/matttaylor tutorial and carboni actions.
location:Del amo campgrnd pyramid lake.
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