Sun in CaK / White Light
With Explore Scientific AR152
+ Lunt CaK filter and Baader Wedge
Uploaded 12/20/16

Daily Report
For Saturday, Feb 20th
 
 Only
 
Images below are 1024 wide and non clickable
 

            
 WHITE
            LIGHT:

            
Lets
            start with prime focus, we can see two main groups and several
            smaller pores.

            


            
 

            
With
            the 5x Powermate the larger group has good detail, despite the
            very scrambled seeing today.

            


            
 

            
The
            solitary spot is detailed as well:

            


            
 

            
Now
            here are some Calcium K images of the same groups. To take these,
            a 1.5x telenegative amplifier is inserted in to the beam and
            then the Calcium filter array. This gives f/10 and great contrast,
            but fairly high magnification. But the main group seen here has
            some very bright almost flaring areas:

            


            
 

            
The
            solitary spot has the typical Calcium appearance of a dark rim
            around the penumbra:

            



Instruments:  Explore Scientific AR152 Refractor
Platform:  Astrophysics 1200
Camera:  DMK 51
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing 2/5, Transparency 9/10
Outside Temperature: 55F
Processing: Registax 6, Photoshop CS2

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