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Contains:  NGC 6914
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Yin-Yang in Cygnus (NGC 6914, vdBs, LDNs, LBNs), 





    
        

            Ivaylo Stoynov
Yin-Yang in Cygnus (NGC 6914, vdBs, LDNs, LBNs)

Yin-Yang in Cygnus (NGC 6914, vdBs, LDNs, LBNs)

Technical card

Resolution: 1875x1500

Dates:Aug. 29, 2019Aug. 30, 2019Aug. 31, 2019

Frames:
Astrodon B Gen II: 16x240" -30C bin 1x1
Astrodon G Gen II: 15x240" -30C bin 1x1
Astrodon HII-3nm: 34x600" -30C bin 1x1
Astrodon R Gen II: 15x240" -30C bin 1x1

Integration: 8.7 hours

Avg. Moon age: 9.92 days

Avg. Moon phase: 1.04%

Astrometry.net job: 2939632

RA center: 306.066 degrees

DEC center: 42.644 degrees

Pixel scale: 2.926 arcsec/pixel

Orientation: 100.160 degrees

Field radius: 0.976 degrees

Locations: Nedelkovo, near Sofia, Bulgaria

Data source: Backyard

Description

Cygnus is amazing source of interesting objects, so decided to spend a third summer in row on projects in this constellation. Looking on widefield images selected few regions and digging into the catalogs narrowed the starting point for this image to be the NGC 6914. The Ha version of the image explains why decided to name it Yin-Yang :) In fact identifying the objects in the image is a real hunt :O

The left blue nebula near the center is NGC 6914, the one in right is vdB132, more right and bit up is vdB131. All these blue nebulae are surrounded from the LDNs 899 (left part) 897 (right till the frame border). The part of the emission nebula bellow the LDNs to right are LBN 218 and 273. The emission in the left and upper part of the frame should be LBN 292, but is possible some parts of it to be cataloged as separate numbers... Let add one more catalog in the mix :) The small comma like sign under vdB131 is the bipolar planetary nebula Parsamian 22.

The whole region is 6000 l.y. away and is considered that the emission red part is lit by the ultraviolet light of very hot stars part of the Cygnus OB2 association. These stars are ionizing the atomic hydrogen gas.

Comments

Author

Yoddha
Ivaylo Stoynov
License: None (All rights reserved)
4962
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Revisions

  • Yin-Yang in Cygnus (NGC 6914, vdBs, LDNs, LBNs), 





    
        

            Ivaylo Stoynov
    Original
  • Final
    Yin-Yang in Cygnus (NGC 6914, vdBs, LDNs, LBNs), 





    
        

            Ivaylo Stoynov
    B

Sky plot

Sky plot

Histogram

Yin-Yang in Cygnus (NGC 6914, vdBs, LDNs, LBNs), 





    
        

            Ivaylo Stoynov