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

Messier 20
Trifid Nebula

Scope         Televue 100/500 petzval
Camera       Artemis 4021 Mono
Mount         Losmandy G11
Filters         Baader Ha 7 nm
                  Astronomik G/B filter
Guidecam.  DMK 21 Af
Guiding       PHD

Imagescale 3.05 arcsec/pixel
HaGB=       30/40/40min
Subs of       10/10/10 min
Binning       1x1

Calibrated with Flats, Darks en Bias

Date           09 augustus 2008
Place          St.Julian-de-Lampon,
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