M81
Date: March 2012
Location: Corbera de Llobregat (Bortle Class 7)

Instrument: Takahashi FS-128 at f/8.2
Mount: Losmany HGM Titan
Camera: SBIG STL-4020M
Image scale 1.5 arcsec/pixel
HaLRGB composite - 20 hours total exposure
Ha exposures: 2x3600 bin 1x1 - Astrodon 5 nm H-alpha filter
LRGB exposures: 200x180 bin 1x1, 100x120, 100x60, 100x120 bin 2x2 + LPS

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