Sun in HAlpha
With Lunt LS100THa 
Uploaded 12/27/20

Daily Report
For Sunday, December 27, 2020
 
 About
            an hour of imaging today, then the high winds and clouds moved
            back. Seeing was as you might expect much worse than yesterday,
            only 3/10 or so. One really interesting prom and several small
            spots.
 
Images below are 1290 wide and non clickable
 

            
 Halpha:

            
Full
            disk, showing the active regions.

            


            
 

            
The
            proms are seen when we overexpose the disk considerably. 

            


            
 

            
Next,
            we pull out the 0.5x focal reducer (needed to fit the full disk
            onto the chip) and put in the 3x barlow. Seeing was a problem
            for sure, but some nice detail could be seen.

            


            
 

            
The
            other spot group was no less interesting.

            


            
 

            
Close
            up on the prom, a peculiar shape!

            



Instruments:  Lunt LS100THa Halpha
Platform:  Astrophysics 1200
Camera:  DMK 51
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing 3/10, Transparency 9/10
Outside Temperature: 55F
Processing: Registax 6, Photoshop CS2

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