All astro photo images are copyrighted. They may not be used or reproduced without explicit written permission from the author. 2011 by "Arend van der Salm"   

GALLERY                                                           DEEPSKY

Sharpless 171

Scope         Televue 100/500 petzval
Camera       Artemis 4021 Mono
Mount         Losmandy G11
Filters         Baader Ha/OIII/SII filters
Guidecam.   DMK 21 Af
Guiding        PHD

Imagescale 3.05 arcsec/pixel
RGB=         Ha+ (Ha/SII/OIII) +       
                  60/180/120/120 min

Subs of       20 min
Binning       1x1

Calibrated with Flats, Darks en Bias

Date           20 oktober 2008
Place         Vlaardingen, Netherlands
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