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question re Witch Head Neb.
Anyone know why there is absolutely no trace of the above nebula on any
one sub, or the final stacked image of my attempt. I Know it is faint, but other people have recorded it using similar equipment and settings.
Mine was 6x 100 secs, @f/2.8, ISO 1600, sky Bortle 3, target close to Zenith.
raymo
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