Sun in CaK / White Light
With Explore Scientific AR152 Refractor
+ Lunt CaK filter or Baader Wedge
Uploaded 6/5/21

Daily Report
For Saturday, June 5, 2021
 
 The
            Sun is increasing its activity, as the solar cycle ramps up.
            Two sunspot regions active today. Here is a photo pictorial.
 
Images below are 1024 wide and non clickable
 

            
 WHITE
            LIGHT:

            
Lets start
            with this prime focus view, encompassing about 3/4 the Sun taken
            with the refractor stopped down to 4 inches.

            


            
Close up at
            5x of the smaller spot group at six inches aperture using the
            Televue powermate:

            


            
The other
            group has a much larger central spot:

            


            
Here is the
            view with the Lunt Calcium K filter. A four inch aperture, and
            1.5x barlow yields f/9 and the sharpest most contrasty image.

            


            
Second region
            in Calcium Light:

            



Instruments:  Explore Scientific AR152
Platform:  Astrophysics 1200
Camera:  DMK 51 (1600 x 1200)
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing 2/5, Transparency 7/10
Outside Temperature: 75F
Processing: Autostakkert 2, Registax 6, Photoshop CS2

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