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Contains:  North America nebula, NGC 7000, NGC 6997, IC 5076, Pelican nebula, IC 5070, The star 60Cyg, The star 59Cyg, The star 57Cyg, The star 56Cyg, The star 55Cyg, The star Deneb (αCyg)
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Deneb area, 


Deneb area

Technical card

Imaging telescope or lens:Samyang 135 ED UMC F2

Imaging camera:Nikon D3300

Mount:SkyWatcher Star Adventurer


Resolution: 1344x1447

Dates:Aug. 14, 2018Aug. 18, 2018Sept. 4, 2018Sept. 17, 2018Sept. 19, 2018

Frames: 111x30" ISO800

Integration: 0.9 hours

Avg. Moon age: 10.43 days

Avg. Moon phase: 45.57%

Bortle Dark-Sky Scale: 4.40 job: 2263986

RA center: 312.499 degrees

DEC center: 45.320 degrees

Pixel scale: 13.503 arcsec/pixel

Orientation: 180.374 degrees

Field radius: 3.704 degrees

Locations: Home, Athens, Attiki, Greece

Data source: Backyard


This is an experimental image of the Deneb area that I produced from shots taken during August and September 2018, typically after I would finish with M31 which was my primary target. I have to go to the top of my building for proper capturing, but Deneb happened to pass the zenith in convenient hours so I was able to take photos from my balcony.

I took 111 pics in total, each only 30 seconds at ISO 800 which was the best I could do given the light pollution.

I have applied Dr. Roger Clark's workflow that puts all the weight on the raw converter (Darktable 2.4 in my case) and algorithmic lens corrections instead of working with linear data and dividing by flats. I still used Pixinsight for the actual averaging and for deconvolving the integrated image, and stretched the resulting image with rnc-color-stretch. Then back to Darktable for finishing touches.

I am not sure the result is correct (mainly I find it difficult to believe that I captured all that color with so little exposure and from a light polluted area) but it sure looks impressive.



License: None (All rights reserved)

Sky plot

Sky plot


Deneb area,