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NGC 6188 – The Fighting Dragons of Ara
Another really fun capture from the remote skies of Chile, this is NGC 6188 which is a bright emission nebula with a highly luminous open cluster in the middle. This was a large image taking over 50 hours of exposure. 35 hours in narrowband Sulfur, Hydrogen and Oxygen while over 15 hours in RGB data for star color and capture.
Location
Location: Deep Sky Chile Remote Observatory
Bortle: 1
Equipment
Telescope: Takahashi Epsilon 160ed (F/3.3)
Filters: Astronomik MaxFR 50x50mm Square SHO & Deep Sky RGB
Main Camera: QHY 600 SBFL
Tilt & BackFocus Adjuster: ASG Electronically Assisted Tilt (EAT)
Mount: 10Micron
Processing Software: Captured with NINA, Stacked with Astro Pixel Processor, Processed in PixInsight
Acquisition
Date: April/May of 2025
R: 101 x 180 seconds
G: 102 x 180 seconds
B: 104 x 180 seconds
Ha: 128 x 300 seconds
Sii: 155 x 300 seconds
Oiii: 143 x 300 seconds
Total Integration time ~50 hrs
Calibration Bias: 20
Calibration Dark: 20
Calibration Flats: 20 each filter