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Contains:  Veil nebula, Lace-work nebula, Filamentary nebula, NGC 6960, The star 52Cyg
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NGC 6960 - Western Veil  / Sturmvogel, 





    
        

            Lars Stephan
NGC 6960 - Western Veil  / Sturmvogel

NGC 6960 - Western Veil / Sturmvogel

Technical card

Resolution: 2328x1760

Dates:Oct. 5, 2018

Frames:
TS 1,25" Ha7nm Filter: 61x120"
Baader O3 1.25'' 8.5nm: 53x120"

Integration: 3.8 hours

Avg. Moon age: 25.51 days

Avg. Moon phase: 17.22%

Astrometry.net job: 2704522

RA center: 311.722 degrees

DEC center: 30.570 degrees

Pixel scale: 2.031 arcsec/pixel

Orientation: 139.662 degrees

Field radius: 0.823 degrees

Data source: Backyard

Description

Beim Vergleich mit älteren Aufnahmen kann man Veränderungen des Nebels feststellen.
Besonders gut eignen sich dafür die Platten des "Big Schmidt". Für die Blau-Animation habe ich die Aufnahmen aus dem POSS-I und dem POSS-II verwendet, das ergibt die Jahresfolge 1953 - 1988 - 2018:
http://www.sternwarte-usedom.de/bilder/Astrofotos/Sommer/Cirrus/NGC6960-Animation-blau-1575x1050.gif
Im Roten ist der POSS-II ausgelassen und das Bild wechselt gleich zwischen 1953 und 2018:
http://www.sternwarte-usedom.de/bilder/Astrofotos/Sommer/Cirrus/NGC6960-Animation-rot-1575x1050.gif

A comparison with older images reveals changes in the nebula.
The plates of the "Big Schmidt" are particularly well suited for this. For the blue animation I used the pictures from the POSS-I and the POSS-II, which results in the year sequence 1953 - 1988 - 2018:
http://www.sternwarte-usedom.de/bilder/Astrofotos/Sommer/Cirrus/NGC6960-Animation-blau-1575x1050.gif
In red the POSS-II is omitted and the picture changes immediately between 1953 and 2018:
http://www.sternwarte-usedom.de/bilder/Astrofotos/Sommer/Cirrus/NGC6960-Animation-rot-1575x1050.gif

Comments

Author

LarsSt
Lars Stephan
License: None (All rights reserved)
1070
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Revisions

  • NGC 6960 - Western Veil  / Sturmvogel, 





    
        

            Lars Stephan
    Original
  • Final
    NGC 6960 - Western Veil  / Sturmvogel, 





    
        

            Lars Stephan
    B

B

Version 2 - mehr Sterne

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NGC 6960 - Western Veil  / Sturmvogel, 





    
        

            Lars Stephan