Tuesday, May 13, 2025

20250513 Sun

Didn't pull out my setup for quite long, the thing couldn't get focus properly at first for unknown reason.  I removed the filter and insert again, things work normally then.

Those two 1.25" focal reducer did not work, they looked identical optically and physically.

The solar filter is not very useful too. 

I am going to sell the above on ebay.

1055 (UT+1), prime focus:


1106 + 1108 (UT+1),, failed mosaic at prime focus


And then finally push up the exposure to bring prominences., not well executed:


Too little practice.

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