m27 dumbbell nebula-is aplanetary nebula in the constellation  vulpecula,discovered by Chearles Messier in1764

astrophoto with R.C. telescope 6inches f/9 ,astro physics telecompressorCCD 0,67x reducer
 mount skywatcher HEQ5 pro guided
camera photo Atik314l+color ccd
guiding camera ASI 120 mm Monochrome
guide-scope skywatcher 70/500mm
filters-Astronomik AH andOlll
exposures: 4x600 secHA and 6X600 sec

location Santorini -Greece -21-5-2017.