Hemisphere:  Northern  ·  Contains:  Crescent Nebula  ·  Crescent nebula  ·  NGC 6888  ·  NGC6888  ·  Sh2-105
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A Haunting Wind, 



    
        

            KuriousGeorge
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A Haunting Wind

Imaging telescopes or lenses: Planewave CDK24

Imaging cameras: FLI Proline 16803

Mounts: Planewave L600

Guiding cameras: Starlight Xpress Ultrastar

Focal reducers: None

Software: PixInsight 1.8  ·  Sequence Generator Pro  ·  Photoshop CS3  ·  PHD Guiding 2  ·  CCDWare CCD Inspector  ·  Planewave PWI4  ·  Planewave PWI3  ·  Maxim DL6

Filters: Astrodon 50 mm 5 nm Ha  ·  Astrodon 50 mm 5 nm OIII

Accessory: FLI CFW-5-7  ·  Astrodon Monster MOAG  ·  Hedrick Focuser  ·  Planewave Delta-T  ·  Planewave EFA


Dates:June 21, 2020June 22, 2020

Frames:
Astrodon 50 mm 5 nm Ha: 4x900" -20C bin 1x1
Astrodon 50 mm 5 nm OIII: 7x1800" -20C bin 1x1

Integration: 4.5 hours

Darks: ~40

Flats: ~40

Flat darks: ~40

Bias: ~20

Avg. Moon age: 0.72 days

Avg. Moon phase: 0.87%

Mean SQM: 21.70

Mean FWHM: 2.30


Astrometry.net job: 3968402

RA center: 20h 12' 5"

DEC center: +38° 21' 4"

Pixel scale: 0.468 arcsec/pixel

Orientation: 1.271 degrees

Field radius: 0.370 degrees


Resolution: 4060x4000

Data source: Backyard

Description

...but comfortably 5,000 light years away. For Halloween 2020. (-:

A revisit of my June data, but this time using only 1 hour of Ha and 3.5 hours of OIII. Wissam's very nice HaOIII version was my reference...

Crescent & Soap Bubble by Wissam_Astrophotography

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Author

KuriousGeorge
KuriousGeorge
License: None (All rights reserved)
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    A Haunting Wind, 



    
        

            KuriousGeorge
    Original
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    A Haunting Wind, 



    
        

            KuriousGeorge
    B

B

Description: Reduced contrast a bit.

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A Haunting Wind, 



    
        

            KuriousGeorge