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Hi everyone,
Thank you for all of the great feedback.
Poita, to polar align, I first roughly point the mount toward the SCP, then sky align the mount using a 2.5X powermate and the illuminated 12.5mm guiding eyepiece.
After the mount is aligned I pick the closest star to the northern ecliptic and use the CGEM polar alignment utility, again using the 2.5X powermate with the illuminated guiding eyepiece.
I sky align again to ensure that the alignment is as close as possible.
Worked for me two or three times, my subs upto 3 minutes had no star trails. I stack the images in nebulosity using the alignment and rotate feature just in case there is a slight field rotation after the full exposure time due to the mount being slightly off the SCP.
Now can't wait to get out there again. My replacement filter for the 300D arrived so I imagine I'm not too far away from giving narrowband/Hubble palette imaging a go.
Mariusz
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