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Contains:  M 27, Dumbbell nebula, NGC 6853, The star 14Vul
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M27 HOO, 





    
        

            MMX
M27 HOO

M27 HOO

Technical card

Resolution: 2583x2072

Dates:Aug. 28, 2017Aug. 30, 2017Aug. 31, 2017

Frames:
ZWO Ha 36mm: 60x120" (gain: 200.00) -15C bin 1x1
ZWO OIII 36mm: 60x120" (gain: 200.00) -15C bin 1x1
ZWO SII 36mm: 60x120" (gain: 200.00) -15C bin 1x1

Integration: 6.0 hours

Darks: ~20

Flats: ~40

Bias: ~200

Avg. Moon age: 8.12 days

Avg. Moon phase: 57.59%

Bortle Dark-Sky Scale: 6.00

Temperature: 19.33

Astrometry.net job: 1714031

RA center: 299.903 degrees

DEC center: 22.723 degrees

Pixel scale: 1.575 arcsec/pixel

Orientation: 271.094 degrees

Field radius: 0.724 degrees

Locations: Home, Menlo Park, CA, United States

Description

3rd image: M27
did not use the 2h of SII I took for this image, so little signal the stretch was ruining the effect
The color palette is Ha,(Ha*.2+OIII*.8),OIII
I think I need to choose my subs better as stars are not perfectly round
And of course spend much more time learning PI

Comments

Author

mmx
MMX
License: None (All rights reserved)
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M27 HOO, 





    
        

            MMX