M42 by Mario Bautista

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	Mario C. B. Bautista, MD

M42

Orion Nebula in Hydrogen Alpha

Taken with a Takahashi TOA130 NFB with AP27TVPH reducer and QSI 583wsg with Astrodon 5nm Halpha filter.
Image scale of 1.4 arcsec/pixel.
Guided with a SBIG STi on a MiniBorg 50.
AP1200 GTO Mount
Exposure time:Halpha: 200 mins with 10 minutes subexposure. Core: 7 mins with 30 secs subexposure. Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on December 11 and 19, 2011 in Jackson, Ohio

other sizes: small medium large original auto

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