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[2010-07-04] Hubble Palette with Astronomik Hα 12nm filter and Astronomik OIII 12nm filter and Astronomik SII 12nm filter, Celestron CGE1400 (Teleskop Service SCT 0.8x reducer/corrector) with SBIG ST-8300M (-17C).
R=SII 18x240sec, G=Há 20x240sec + 7x600sex (2x2 binned), B=OIII 26x240sec + 10x600sec (2x2 binned). (total 7 hours 6 minutes)
Guiding through Orion SteadyStar Adaptive Optics Off-Axis Guider with StarlightXpress Lodestar
Imaging 05/24/2010-07/04/2010. The image was composed in photoshop using layer masks to blend short and long exposure layers.
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