Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888  ·  NGC6888  ·  Sh2-105
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Cresecent Nebula NGC6888, 



    
        

            Michael Mantini
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Cresecent Nebula NGC6888

Imaging telescopes or lenses: Edge HD 1100

Imaging cameras: Atik 460EX mono

Mounts: Orion Atlas Pro AZ/EQ-G

Guiding telescopes or lenses: Orion Thin Off-Axis Guider (TOAG)

Guiding cameras: Starlight Express Lodestar Autoguider X2

Focal reducers: Celestron 0.7x Focal Reducer-Flattner

Software: Photoshop CS6  ·  PHD Guiding 2 PHD 2.5  ·  Images Plus 6.06 Images Plus  ·  Artemis capture

Filters: Astrodon 3nm H-Alpha Narrowband Filter  ·  Astrodon 3nm OIII Narrowband Filter

Accessory: Starlight Xpress USB Filter Wheel 7x1.25"


Dates:Nov. 5, 2016

Frames:
Astrodon 3nm H-Alpha Narrowband Filter: 15x600" 5C bin 1x1
Astrodon 3nm OIII Narrowband Filter: 10x600" 5C bin 1x1

Integration: 4.2 hours

Avg. Moon age: 5.18 days

Avg. Moon phase: 27.45%

Bortle Dark-Sky Scale: 5.00


Astrometry.net job: 1360524

RA center: 20h 12' 10"

DEC center: +38° 20' 54"

Pixel scale: 0.463 arcsec/pixel

Orientation: 128.283 degrees

Field radius: 0.223 degrees


Resolution: 2705x2171

Data source: Backyard

Description

I used the H-O-O narrowband palette to combine Ha and OIII.

Comments

Sky plot

Sky plot

Histogram

Cresecent Nebula NGC6888, 



    
        

            Michael Mantini