Simeis147 HOO


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This image © Copyright 2018, Michael Fulbright

A very tricky faint object. I had some issues with the Astrodon OIII filter flat fielding properly which complicated reduction considerably. I had to really clamp down the corners which probably compromised any nebulosity that might be present there.

Date: 03/22/2019
Telescope: CANON 200 f/2.8
Mount: Astro-Physics Mach1GTO
Camera: ZWO ASI1600MM-Cool