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Neptune Image 2016/09/03(UT)

Alexander Obukhov

Alexander Obukhov (280mm SC)
I have decided to use a deep IR pass filter andmade several stacks, 
but only one was acceptable for sharping, so it is impossible to say whether here is a real "spot" or not. 
SNR of the stack was not very high. Celestron C11, Zomei >850 nm, ASI290MM 1000 frames x 500 ms

[Alexander Obukhov: Moscow Russsia]

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