Very impressive Matty - especially (I gather) for one of your early attempts. Did you use the 450D at prime focus and guide with your 70 mm scope? (I have a friend who guides with his 8" SCT and shoots through an ED80).
Use of the range of exposure times has really helped capture the large dynamic range and bring out the colours.
What does DSS stand for (I think it's probably imaging software).
Also, what focussing method do you use?
Keep up the good work,
Chris
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