gee amazing for only 40 mins, these fast corrected astrographs sure are the go thesedays.
I see you use a Lum filter, I assume its clear to visible but blocks IR light. Have you thought about trying fully unfiltered luminance shots of Corona Australis. With my modded DSLR, if I do not use an IR cut filter, I seem to get a lot more of that dust, I was wondering with your fast rig, doing fully unfiltered luminance will bring in more dusty detail. Cheers
Scott
PS, for a super fast laptop, throw in it a SSD. My 4 year old dell Inspiron boots faster then any mechanical drive equipped laptop now and runs much faster too.
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