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Sol in Ha - AR2741 - 14 May 2019, 





    
        

            hughsie

Sol in Ha - AR2741 - 14 May 2019

Technical card

Resolution: 1200x922

Date:May 14, 2019

Time: 11:44

Frames: 1800

Focal length: 360

Data source: Backyard

Description

This final output is comprised of two images, one capturing the surface detail and the second the prominence.

Surface image - Exposure time 10ms, Gain 40. 3,000 framed AVI.

Prominence image - Exposure time 10ms, Gain c290 (memory bad!). 3,000 frames AVI.

SharpCap settings then restored to the surface setting. Telescope was then centred on the Sun and defocussed. Further 3,000 frames of an AVI were taken to create a stacked flat frame.

All three AVIs were stacked in AutoStakkert2 with the surface and prom image calibrated with the stacked flat frames. Best 60% taken.

Levels adjustments undertaken in Photoshop along with high pass sharpening. Two images brought together as separate layers and combined in difference mode then inverted. Some contrast adjustments made to surface image as well.

Many thanks.

John

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hughsie
hughsie
License: None (All rights reserved)
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Sol in Ha - AR2741 - 14 May 2019, 





    
        

            hughsie