Example of 1600mm microlensing
Thought I might post this for people deciding between a 1600mm and 294mm so they could see how microlensing issue resent in the 1600mm affects a final lrgb image. I haven't really noticed it in narrowband however. This is from an Esprit 100 F5.5 refractor so there should be no diffraction spikes but the bright stars to the lower right are showing diffraction effects.
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