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Keyhole Nebula on a 200 quid f/14 scope.


Keyhole Nebula on a 200 quid f/14 scope.

Have been considering upgrading to AM5 and a heavier longer FL set-up; thought would first try guiding with my C90 and star-tracker on this, admittedly bright, target to see what came of it. Managed 35 x 1 min subs out of about 40, strong breeze & guiding varied 0.8 to 1.5 (0.6 arcsec/pix image scale). Carina was already low and disappeared behind the garage before I could get more.
Equipment: C90 MAK (f/14 FL 1250 mm), AZGTi EQ modified star tracker and ASI533MC, UV/IR cut filter. Processing: DSS, Starnet, ImagesPlus, Siril, Gimp.






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