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Contains:  NGC 6946, NGC 6939
Getting plate-solving status, please wait...

NGC 6946 With IFN

Technical card

Resolution: 3200x2460

Dates:July 30, 2019July 31, 2019Aug. 6, 2019Aug. 7, 2019

ZWO B: 40x300" (gain: 163.00) -20C bin 1x1
ZWO G: 40x300" (gain: 163.00) -20C bin 1x1
Zwo HA: 50x360" (gain: 163.00) -20C bin 1x1
ZWO L: 60x300" (gain: 163.00) -20C bin 1x1
ZWO R: 40x300" (gain: 163.00) -20C bin 1x1

Integration: 20.0 hours

Darks: ~40

Avg. Moon age: 17.43 days

Avg. Moon phase: 22.06%

Bortle Dark-Sky Scale: 5.00 job: 2854432

RA center: 308.346 degrees

DEC center: 60.373 degrees

Pixel scale: 2.055 arcsec/pixel

Orientation: 86.091 degrees

Field radius: 1.152 degrees

Data source: Backyard


I finally finished processing this 20-hour exposure of the Fireworks galaxy. I believe I spent more time processing than capture! This is quite an interesting target with NGC 6946 peering out of dusty Cepheus.

This is an LRGBHa image with Ha added in the R channel. There was no noise reduction done on this image, which is actually a first for me :)

Thanks for looking, questions/comments much appreciated.



Hunter Harling
License: None (All rights reserved)


Sky plot

Sky plot


NGC 6946 With IFN, 


            Hunter Harling

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Cloudy Nights