Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  IC 4701  ·  IC 4706  ·  IC 4707  ·  Lobster Nebula  ·  M 17  ·  NGC 6596  ·  NGC 6618  ·  Swan Nebula  ·  omega Nebula
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The Swan Nebula (M17) in Narrowband, Doug Lozen
The Swan Nebula (M17) in Narrowband
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The Swan Nebula (M17) in Narrowband

Getting plate-solving status, please wait...
The Swan Nebula (M17) in Narrowband, Doug Lozen
The Swan Nebula (M17) in Narrowband
Powered byPixInsight

The Swan Nebula (M17) in Narrowband

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Description

I had fun using color modifying masks and PixelMath in Pixinsight to highlight the differences between hydrogen, sulfur, and oxygen.  I wanted a result closer to what broadband imaging generates instead of the usual blue/gold typically seen with narrowband presentations.

Imaged from my Bortle 7 backyard in Fort Myers, FL May-July, 2023.

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