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本帖最后由 人比黄瓜瘦2007 于 2025-2-26 14:36 编辑
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Very shortly:
F2040 surprisingly good for the night sky.
Today's full moon is the most beautiful in F2040. Today in the M42 I see three Trapezium components that I do not see in either the V1650 or the C1550.
The IS in the F2040 is between the V1 and V2 modes in the Vixen Atera II.
Finally we had good seeing skies.
I was able to resolve A-D with TS-L 2040. B was difficult to see with standing IS ON so I sat on astro-chair, I could see B. Not bad with 40mm aperture 
After I saw A-D, I wanted to double check that what I was seeing. I took Kowa TSN-88 with TE-80XW, yielding 35x.
I was surprised to see E with Kowa spotting scope. There was no sign of F, though.
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