The Tulip Nebula in the constellation Cygnus

Info http://en.wikipedia.org/wiki/Tulip_Nebula

Taken with a Takahashi TOA130NFB @ F/5.7 with TOA Reducer and QSI 583wsg with Astrodon 5nm Halpha filter and Series 2 E Filters.
Image scale of 1.4 arcsec/pixel.
Guided with a SBIG STi on a MiniBorg 50.
AP1200 GTO Mount
Exposure time: Halpha:180 mins with 30 minutes subexposure.LRGB: 110:100:110:110 mins with 600secs subs.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on June 10, 15,16 and 18, 2012 in Jackson, Ohio