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Contains: 
2017 great american eclipse - HDR2, 





    
        

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2017 great american eclipse - HDR2

Technical card

Resolution: 4960x2618

Date:Aug. 21, 2017

Time: 17:45

Frames: 40

FPS: 2.00000

Focal length: 400

Locations: Glendo State Park, Glendo, Wyoming, United States

Description

2017 Aug 21 Total Eclipse - better HDR processing - entirely in PI

Saros 145: 22/77

Glendo State Park, Glendo, WY

42d 30.8667m N

104d 59.6167m W

Canon 5d3 + Canon 200L f/2.8 + Canon 2x TC

iso800, f/10

capture: Solar Eclipse Maestro

processing: Pixinsight

HDR merge from 42 bracketed images (3 stacks of 14 images)

moon image aligned to moon position at 17:47:07UTC

corona image aligned to sun position at 17:47:07UTC by registration on Regulus

Comments

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Revisions

  • 2017 great american eclipse - HDR2, 





    
        

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    Original
  • 2017 great american eclipse - HDR2, 





    
        

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    B
  • Final
    2017 great american eclipse - HDR2, 





    
        

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    C

B

with radial filtering (Larson-Sekanina) - but possibly some banding.

C

completely reprocessed from the bottom up. this time split each sub into mono R/G/B files and did HDRComposition on the individual channels. this worked much better. also only 0.5 degrees in the Larson-Sekanina filter.

Histogram

2017 great american eclipse - HDR2, 





    
        

            pfile