The Butterfly Nebula in Cygnus - Hydrogen Alpha

The Butterfly Nebula

The Butterfly Nebula in Cygnus
Camera: Apogee U16M w Gen II Astrodon 5nm H-Alpha filter
Scope: Planewave 12.5" CDK
Mount: Bisque Paramount ME (MKS 5000)
Guided w SBIG ST402ME / Astrodon MMOAG
Calibration, Alignment and Combine in PixInsight
Histogram Transformation, HDR Multiscale Linear Transform and ACDNR (noise reduction) in PixInsight
High Pass Filter at 10 pixels layer masked and additional Noise Reduction in shadows using Photoshop CC 2019

Click on the image to see it ~2x larger.

Lucknow, Ontario
Sept 19, 2019