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Pelican Nebula - NB

Technical card

Resolution: 2710x1828

Dates:Sept. 21, 2018

Astrodon Tru-Balance 1.25" 3nm HA: 55x600" (gain: 111.00) -20C bin 2x2
Astrodon Tru-Balance 1.25" 3nm OIII: 48x600" (gain: 111.00) -20C bin 2x2
Astrodon Tru-Balance 1.25" 3nm SII: 48x600" (gain: 111.00) -20C bin 2x2

Integration: 25.2 hours

Avg. Moon age: 11.43 days

Avg. Moon phase: 87.92%

Bortle Dark-Sky Scale: 8.00

Mean SQM: 18.00

Mean FWHM: 2.50 job: 2566468

Locations: Aurora South Backyard, Aurora, Colorado, United States

Data source: Backyard


An old project from late summer/fall of 2018. This is a pretty deep integration of all three major narrow bands, Ha, OIII and SII. Refined my use of "Linear Alignment", a simple pixel-math technique I've created to align data without using a linear fit, which I feel can result in bloated blue halos and somewhat break the natural differences between channels. I now align on a carefully selected region of background to optimize the process.

This is probably one of the most colorful places I've come across when performing Hubble Palette blends. Combined with all the dust, it is one amazingly detailed, rainbow-colored region of space!



Jon Rista
License: None (All rights reserved)



Pelican Nebula - NB, 


            Jon Rista