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Monday, February 16th, 2015
 I decided to re-image my favorite nebula, M42, as I felt I had learned a lot about imaging and processing since my last image taken of it a little over 2 years ago. I used an IDAS V4 filter this time in the optical train of my 9.25 Celestron EdgeHD with Hyperstar III and my old reliable Canon XSi modified by Gary Honis. Even though there was some breeze blowing, the guiding held pretty well and I acquired 10 subs each at 1/4 sec, 1 sec, 15 sec, 60 sec and 120 sec. All were stacked in DSS using flats and darks. Processing was then done in PS CS2 and the various subs were layered to produce the final image. My objective was to preserve some detail in the trapezium area while bringing out the fainter outer nebulosity. Here is my final result:
 






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