Weird Artifact

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Weird Artifact

Postby minerjp » Thu Jan 18, 2018 9:54 pm

The past couple nights, I have been imaging the areas around the Great Orion Nebula. I usually use either Betelgeuse or Rigel to obtain focus before going off to M42, the Flame, or the Horsehead.
When using a high gain setting on Betelgeuse, I kept noticing a strange artifact, red in color. I suspect it is a reflection of the sensor, but when I tried to duplicate it with a high gain Rigel, no such artifact. I am posting this image to see if any of you has any insight as to the cause of this artifact.
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