Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888  ·  NGC6888  ·  Sh2-105
Getting plate-solving status, please wait...
Crescent Nebula in HOO, 



    
        

            Andrew Barton
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Crescent Nebula in HOO

Getting plate-solving status, please wait...
Crescent Nebula in HOO, 



    
        

            Andrew Barton
Powered byPixInsight

Crescent Nebula in HOO

Imaging telescopes or lenses: Sky-Watcher Esprit 100 ED

Imaging cameras: ZWO ASI 1600MM Pro

Mounts: AstroPhysics Mach1 GTO

Guiding telescopes or lenses: ZWO 60mm f/4.6 Guidescope

Guiding cameras: Lodestar

Software: PixInsight  ·  Main Sequence Software Sequence Generator Pro  ·  Open PHD Guiding PHD2 Guiding 2.6.2

Filters: ZWO Blue 36mm  ·  ZWO Green 36mm  ·  ZWO OIII -7nm 36mm  ·  ZWO RED 36mm  ·  ZWO H-Alpha 7nm 36mm

Accessory: ZWO 7 Pos. Filter Wheel  ·  Feathertouch Focuser  ·  Starizona MicroTouch focuser


Dates:Aug. 4, 2018Aug. 5, 2018Aug. 28, 2018

Frames:
ZWO Blue 36mm: 38x10" (6' 20") (gain: 75.00) -10C bin 1x1
ZWO Green 36mm: 34x10" (5' 40") (gain: 75.00) -10C bin 1x1
ZWO H-Alpha 7nm 36mm: 32x400" (3h 33' 20") (gain: 200.00) -10C bin 1x1
ZWO OIII -7nm 36mm: 29x400" (3h 13' 20") (gain: 200.00) -10C bin 1x1
ZWO RED 36mm: 31x10" (5' 10") (gain: 75.00) -10C bin 1x1

Integration: 7h 3' 50"

Avg. Moon age: 20.46 days

Avg. Moon phase: 63.70%


Astrometry.net job: 2263397

RA center: 20h 11' 22"

DEC center: +38° 35' 55"

Pixel scale: 1.410 arcsec/pixel

Orientation: 90.384 degrees

Field radius: 1.122 degrees


Resolution: 4576x3436

Locations: Backyard, Tucson, Arizona, United States

Data source: Backyard

Description

I was going for a more natural look using primarily narrow band data. After completing the image, I decided to attempt to colorize some of the stars using short RGB exposures. The effect is subtle, but I feel it helps to balance the red a bit.

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Sky plot

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Histogram

Crescent Nebula in HOO, 



    
        

            Andrew Barton

In these public groups

ZWO ASI1600MM/QHY163M