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Contains:  IC 5070, NGC 6997, NGC 7000, North America nebula, Pelican nebula, The star 56Cyg, The star 57Cyg, The star ξCyg
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North American and Pelican nebulae, 



    
        

            John Willis
North American and Pelican nebulae
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North American and Pelican nebulae

Technical card

Imaging telescope or lens:Takahashi FSQ106ED

Imaging camera:ZWO ASI1600MM-Cool

Mount:iOptron CEM 60

Guiding telescope or lens:PrimaLuceLab 60mm CompactGuide scope

Guiding camera:QHYCCD 5L-II M

Focal reducer:Takahashi Reducer 0.60 f/3.0

Software:Seqence Generator ProPixInsight

Filters:ZWO SII 31mm 7nmZWO Ha 7nmZWO Oiii 31mm


Dates:July 15, 2019

Frames: 233x90"

Integration: 5.8 hours

Avg. Moon age: 13.45 days

Avg. Moon phase: 98.06%


Basic astrometry details

Astrometry.net job: 2803412

RA center: 20h 56' 25"

DEC center: +44° 9' 57"

Pixel scale: 1.220 arcsec/pixel

Orientation: 0.906 degrees

Field radius: 1.958 degrees


Resolution: 9226x6964

Locations: Backyard, Plano, Texas, United States

Data source: Backyard

Description

The North American and Pelican nebulae, shot over two nights via narrowband in the Hubble color palette, with some slight tweaks. Running my scope at F3 really allowed a huge amount of depth for short amount of imaging. Keeping the exposures to 90 seconds also allowed for a lot more noise smoothing via stacking, so the end resulting noise reduction was actually very minor.

Used some new processing techniques on this one. Specifically, I use the Starnet++ program to remove the stars from each of the channels before working on the colors. After that, an LRGB combine with the original Ha as luminance broght everything back and allowed the color to pop while keeping much more natural stars.

Just absolutely loving the Takahasi scope, especially at the fast end.

Comments

Author

jcwillis4
John Willis
License: Attribution-NonCommercial Creative Commons
1841
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North American and Pelican nebulae, 



    
        

            John Willis