Deep Space Object Astrophotography with a Celestron C8 SCT. Polar alignment, auto-guiding, CCD imaging, calibration, stacking, processing.
Wednesday 11 May 2011
M13, The Great Cluster in Hercules
I took 50 flat frames, and used the 6 darks taken last night, as well as 50 bias frames, and calibrated and stacked 16 images (each 60 second exposures), and combined them in MaximDL to get this image. No other processing. The colour could be improved, as the data is there, but requires increasing the saturation. This would bring out the blues and reds in the stars better.
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