Neptune Image 2016/09/03(UT)
Alexander Obukhov
A.Obukhov
| Alexander Obukhov (280mm SC) |
I have decided to use a deep IR pass filter and〓made 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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2016/09/06
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