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Contains:  14 Aur, 16 Aur, 17 AR Aur, 18 Aur, 19 Aur, AE Aur, Flaming Star nebula, IC 405, IC 410, IC405, IC410, NGC 1893, NGC1893, Sh2-229, Sh2-230, Sh2-236, The star 14Aur, The star 16Aur, The star 19Aur, VdB39
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2018 - Autumn -IC405 - IC 410, 


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2018 - Autumn -IC405 - IC 410

Technical card

Dates:Dec. 13, 2018

ZWO HAlpha 7nm: 60x180" (gain: 139.00) -20C bin 1x1
ZWO O-III 7nm: 76x180" (gain: 139.00) -20C bin 1x1
ZWO S-II 7nm: 25x180" (gain: 139.00) -20C

Integration: 8.1 hours

Avg. Moon age: 5.62 days

Avg. Moon phase: 31.64%

Bortle Dark-Sky Scale: 8.00 job: 2575366

RA center: 5h 17' 59"

DEC center: +34° 10' 59"

Pixel scale: 5.361 arcsec/pixel

Orientation: -177.937 degrees

Field radius: 2.637 degrees

Resolution: 3529x3139

Data source: Backyard


IC405 and IC410 in HsOhO as I had the opportunity to add SII and more OIII.
Processed without Tonemapping, it was worth the extra effort despite overall low integration time.
This is part of a multi-year project as next summer I'll add more frames (I target 20h+ per channel)

There are a lot of Ha around the two ICs that are discernable but would benefit from more integration.
O3 is rather strong and large in IC410 whereas in IC405 it is packed in a much smaller area in and is significantly weaker.
S2 is diffuse but follows Ha distribution.

I'm rather happy with the colors especially for O3 and given the overall limited integration time under SQM18.37 sky :)



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2018 - Autumn -IC405 - IC 410,