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Hi Brad, Firstly, do you have an EQ mounted 127, or the Alt/Azimuth
mounted SLT127? You can get longer exposures with an EQ mounted one. Live View will only show bright objects, so find a bright star, and
magnify the Live View 10x, and focus until the star is as small as the
white star shown in the box at bottom right of the screen. Then shift to your target. As a budding imager start with bright objects that can be seen through the camera's viewfinder. You need to learn the basics of
AP before worrying about OAGs etc. A good first idea is to aim at the moon with the camera attached, screw the focuser right in or out, and count the turns back to when the moon is sharp, so when changing from EP to camera you can get approximate focus straight away. You are trying to run before you can walk. Get some passable single images
under your belt before worrying about stacking. Stacking is not just
combining images, you have to learn image processing too.
good luck.
raymo
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