Calcium II K images - 2024

 

Ca K Barr filter : 393.25 nm, FWHM = 0.26 nm, 2-cavity filter

Ca K Alluxa filter : 0.37 nm FWHM 3-cavity filter, and 0.14 nm FWHM single-cavity filter

Takahashi TOA 150 mm with 65 mm or 75 mm aperture stop

 


7 March 2024
Altair 393-3 nm

7 March 2024
Altair 430-2 nm

7 March 2024
Continuum 540 nm

10 May 2024
Altair 393-3 nm

10 May 2024
Ca K 0.37 nm

10 May 2024
Ca K 0.37 nm + 0.14 nm

23 Feb 2024
Ca K 0.37 nm

23 Feb 2024
Altair 393-3 nm

23 Feb 2024
Altair 393-3nm

7 March 2024
Ca K 0.37 nm

7 March 2024
Ca K 0.26 nm

7 March 2024
Ca K 0.37 nm + 0.14 nm

 

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