Sun in CaK Light
With Explore Scientific AR152 Refractor
+ Lunt CaK filter 
Uploaded 3/4/23

Daily Report
For Saturday March 4th, 2023

 

 Sunspot
            activity is still very high, and today we have several active
            regions which have been recently flaring to image in calcium
            light. 

Images below are 1290 wide and non clickable

 


            
 Calcium
            K LIGHT:


            
This set of images was
            taken with our Explore Scientific AR152 refractor, with the six
            inch aperture stopped down to 4 inches, and a 1.5x barlow in
            the path before the filter to achieve f/12. Seeing was terrible,
            about 1.5/5 due to a passing storm front and a sky full of dense
            cirrus clouds. Each image is a stack of 12 frames from a set
            of 1600 frames. 


            


            
 


            


            
 


            


            
 


            


            
 


            




Instruments:  Explore Scientific AR152
Platform:  Astrophysics 1200
Camera:  DMK 51 (1600 x 1200)
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing 1.5/5, Transparency 3/10
Outside Temperature: 35F
Processing: Autostakkert 2, PixInsight, Photoshop CS2

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