Butterfly nebula mosaic
Finally I'm making head roads into this image..... This is 4 completed panes of Ha of a 6 pane mosaic. It's taken 32 hours worth of data so far.... So I've decided that instead of gathering OIII and SII data in the same way, I'll capture that data in the shorter focal length Taks and combine it... will make life much easier!!!
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Sara Wager is an astrophotographer with published articles and images to her name