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© D Elijah
Credit Please credit D Elijah if you are using this image.

Sun Spot group 19-07-2016


Date of image 19/07/2016

Equipment: SW Skymax 150 (f12) at prime focus. The telescope was mounted on an EQ5 pro. Camera: Canon 550D in 640x480 movie crop mode set at 1/1000s exposure ISO400, the frame rate was 60fps. 

The total movie duration was about 5 minutes (the weather was cloudless!). Decompressing .mov files was done with Pipp while frame stacking and processing was done with RegiStax 6.

Some first comments: The mount was tracking badly but did improve after some fiddling with the PA axis. I tried my best to properly focus but turbulence makes this quite difficult. The image has a slight red tint, I may modify it to equalise the RGB channels.


Please credit D Elijah if you are using this image.


© D Elijah
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