Pelican Nebula in HAlpha wavelength

Date: 7/31/2010

San Bruno, CA

Takahashi FS-60C with Qhy9 CCD, HAlpha 12nm Astromik Filter and Astro-tech field flattener.

Auto-guided with 50mm Finder turned into a guidescope and Orion startshoot autoguider

9 exposures of 420sec taken under Moonlight (77% illumination). Thanks  to Narrowband imaging, it is possible to do long exposures under light pollution and moonlight illumination…

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