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A rework from late last year - NGC1499


NickH

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This one is a 3 pane composite (massively cropped and resized to fit) using the Art 4021 camera on the ED80 at F7.5, Astronomik 13nm H-Alpha filter channel

Combined imaging time was a few hours per pane, so the image took the best part of a night. Hopefully shows what the 4021 is like in H-A response terms, and FOV possibilities.

EQ6 Skyscan pro mount, autoguided by DSi-C/ST102

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I can do that...I have horshead H-A data from both the 285 and the 4021. The 285 is more sensitive in H-A, for sure, but the immense FOV on the 4021, means you can bin it, and still come out at approx the same resolution as the 285.

If you want the raw stacks from both as FITs,let me know

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