Celestial hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  Crab nebula  ·  M 1  ·  NGC 1952
Odd artifact, Michael Kane
Odd artifact
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Odd artifact

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Description

This is a slightly cropped stack of lights, darks, flats, and bias frames of the crab nebula. I have no idea what is causing it, but it happened on the last image I stacked. Of you have any ideas as to what could be causing it, please post in the comments section and as a thanks, I'll send you some clear skies.

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Odd artifact, Michael Kane