The Garlic Nebula

This notoriously dim supernova remnant in Cassiopeia is formally known as CTB1. It took 46 hours of exposure time – most of that narrowband through Hydrogen and Oxygen filters – to pull out this detail. I’m pretty proud of this one; it holds its own amongst the better captures of this object.

As usual, I processed the stars separately from the nebula, keeping natural colors for the stars but mapping Hydrogen emissions to red, and Oxygen emissions to green and blue for the nebula.

Garlic Nebula

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