Scope: 10" f/3.8 Newtonian
Mount: Mesu 200 Sitech
Guiding: Lodestar + custom oag
CCD: sbig st8300 @ -15°C
Filter: Astrodon 5nm h-alpha

Exposure: 285 min (4.5 hrs)

Resolution: 1.17 arcsec/pixel

Captured in Southern France during a very windy night (Mistral blowing all night long)