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AR 2565/67 morphed from White Light to H-Alpha


Iainp

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The cables to connect mount to computer to reboot the AVX mount are ordered, so I'll be back in business tomorrow, just in time for the thunder storms no doubt...

Anyway, you do what  you can.  I used the 10" Meade to get one set of WL data with Baader filter but the tracking is not good. probably because it's 25 years old. I also tried the Lunt unmotorised, but the spots fair whizzed past with the 3X barlow. Luckily seeing was so good I could pull 35% of the measly 230 frames to give a quite decent result. Here's the WL morphed to the HA. There was only a 5 minute break between the sets, but the difference in the shape of the spots is considerable. Something to do with focal length of the 2 telescopes perhaps?  Interesting to compare them:

 

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