Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888  ·  Sh2-105
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A Haunting Wind, 



    
        

            KuriousGeorge
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A Haunting Wind

Getting plate-solving status, please wait...
A Haunting Wind, 



    
        

            KuriousGeorge
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A Haunting Wind

Acquisition details

Dates:
June 21, 2020 ·  June 22, 2020
Frames:
Astrodon 50 mm 5 nm Ha: 4×900(1h) -20°C bin 1×1
Astrodon 50 mm 5 nm OIII: 7×1800(3h 30′) -20°C bin 1×1
Integration:
4h 30′
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

RA center: 20h12m05s.987

DEC center: +38°2104.89

Pixel scale: 0.468 arcsec/pixel

Orientation: 1.271 degrees

Field radius: 0.370 degrees

More info:Open 

Resolution: 4060x4000

File size: 13.3 MB

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

Comments

Revisions

    A Haunting Wind, 



    
        

            KuriousGeorge
    Original
  • Final
    A Haunting Wind, 



    
        

            KuriousGeorge
    B

B

Description: Reduced contrast a bit.

Uploaded: ...

Sky plot

Sky plot

Histogram

A Haunting Wind, 



    
        

            KuriousGeorge