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Retracted surge in AR2674, 





    
        

            GreatAttractor

Retracted surge in AR2674

Technical card

Resolution: 332x174

Date:Aug. 30, 2017

Time: 09:42

Frames: 550

FPS: 55.00000

Focal length: 10564

Seeing: 4

Transparency: 8

Data source: Backyard

Description

It appears that a surge blows out, then retracts. This “retraction” could be illusory, e.g. due to the material vanishing from view because of a Doppler shift away from Hα.

30-second intervals, 66 minutes total. 90 mm refractor + Lunt 50 etalon.

Comments

Author

GreatAttractor
GreatAttractor
License: Attribution Creative Commons
1342
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Retracted surge in AR2674, 





    
        

            GreatAttractor

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