Thread: field rotation, focuser slop, coma issues
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Old 27-03-2012, 01:36 PM
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alistairsam
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Location: Box Hill North, Vic
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Links to GIF animations showing image shift for sequential images with no adjustment to scope or framing, 3 min subs taken a minute apart.

lagoon nebula M8 - Field Rotation
Trifid Field Rotation Animation
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