Hello Ray. I used several differing exposure lengths to try to tame the core. I took a few 30 seconds and some 2 minutes to combine with the 5 minute ones at processing time. I could have shown every star in the core using that technique however; even through an eyepiece we do not see it like that, the centre is always quite bright so I adjusted it to what I think I remember what it looks like in a larger dob.
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