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Tony Hallas
September 1, 2020
4703
post image

Contains: Deep sky object

Acquisition Details

Equipment card

Description

M27 taken with a Planewave CDK 17, SBIG 16803 CCD, and Chroma filters from my home observatory in Foresthill before the forest fires hit. The technique of channel swapping was used to add the narrow band filter data to the LRGB. This allowed the narrow band to layer into the image without conflict ... since cyan and red are antagonists and tend to eradicate each other when layered on top of each other.



NGC 6543 The Cats Eye Nebula
4591

January 27, 2021


" Spacewalk "
4254

December 28, 2020


NGC 1333 LRGB
7702

November 27, 2018


Stephen's Quintet in deep color
10636

October 21, 2015


Constellation Orion with Canon Ra
4583

December 14, 2020