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Contains:  IC 1275, NGC 6559, IC 1274, IC 4685, The star 11Sgr
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NGC 6559 (greater area), 





    
        

            John Michael Bell...
NGC 6559 (greater area)

Technical card

Resolution: 6012x3960

Dates:July 8, 2019

Frames:Optolong L-eNhance 2": 30x300" (gain: 125.00) -15C bin 1x1

Integration: 2.5 hours

Darks: ~25

Bias: ~150

Avg. Moon age: 6.37 days

Avg. Moon phase: 39.27%

Bortle Dark-Sky Scale: 5.00

Temperature: 28.00

Astrometry.net job: 2789075

RA center: 272.406 degrees

DEC center: -23.857 degrees

Pixel scale: 0.652 arcsec/pixel

Orientation: 6.477 degrees

Field radius: 0.652 degrees

Locations: Backyard, Tucson, Arizona, United States

Data source: Backyard

Description

This is the same target that I last imaged but with an 80mm apo rather then 8" newt astrograph. There are a lot of nebulous open clusters around the main target that I wanted to include as well. I'm still practicing post processing with the dual band pass filter as it provides significantly less signal. is much more difficult then the traditional LPF. Most of my stacks end up being really noisy in the green and blue channels, fixing it without compromising detail and color balance is proving to be challenging. Any tips are greatly appreciated! Thanks for stopping by.
JMB

Comments

Author

JohnnyBellisario
John Michael Bell...
License: Attribution Creative Commons
1141
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NGC 6559 (greater area), 





    
        

            John Michael Bell...