lørdag 23. juni 2018

The Sun on June 23d.

It has been a while since the last time I posted a solar image here, so I thought it was about time. Especially since there were a few nice sunspots out this day. For the images white light images, I used an ASI178MM camera, attatched to a Williams Optics FLT98 telescope through a Lacerta Herschel Wedge. The exposure was 0.5 ms. For the closeups, I used a Televue Powermate 2.5. Processed with AS!3, Gimp and Irfanview.  For the H-alpha image, I used a Lunt LS35 telescope with the same camera. Some dust probably on the blocking filter, so it needs to be cleaned... Click on the images for higher resolution.



The Sun itself with two groups of sunspots

  
The groups, close up using Televuew Powermate 2.5

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