Object:	M42: Orion Nebula RA= 5 hr 25 min; Dec = -5 deg 23 min
Date & Site:	Imaged on 12/6/17; Carlsbad, CA Conditions: temps in the mid 60's; calm; very good seeing
Equipment:	Telescope: TEC 140mm Refractor 980 mm at f/7 Guider: SBIG external guide camera with Hutech OAG5 Mount: Losmandy G-11 with Gemini I Camera: ST-10XME; CFW10; Astrodon Narrowband (3nm) Ha, SII and OIII filters
Notes:	Exposures: 45 min each (15 min subs) of Ha, OIII, SII for total of 2:15 hrs. Color mapped using the Hubble palette: Ha = green; SII = red; OII = blue. Added a final (luminance) layer from a single 2 min SII exposure to sharpen stars within the trapezium. FOV = 52 x 35 arc minutes 1,325 light years away Back to Images