Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  IC 4706  ·  IC 4707  ·  Lobster Nebula  ·  M 17  ·  M 18  ·  NGC 6596  ·  NGC 6613  ·  NGC 6618  ·  Swan Nebula  ·  omega Nebula
Getting plate-solving status, please wait...
M17 (continued experimentation with Nikon lens), Dan Kordella
M17 (continued experimentation with Nikon lens)
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M17 (continued experimentation with Nikon lens)

Getting plate-solving status, please wait...
M17 (continued experimentation with Nikon lens), Dan Kordella
M17 (continued experimentation with Nikon lens)
Powered byPixInsight

M17 (continued experimentation with Nikon lens)

Equipment

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Acquisition details

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Description

Got some H-alpha subs in but was losing this into the trees before getting very many in OIII. The light pollution is intense, so there were some pretty wicked gradients to deal with. Ended up cropping this down a little as some trees were showing up in the final OIII sub.

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Sky plot

Sky plot

Histogram

M17 (continued experimentation with Nikon lens), Dan Kordella

In these public groups

NOVAC