Celestial hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  Crab nebula  ·  M 1  ·  NGC 1952  ·  Sh2-244
The Crab Nebula - M1, Corey Rueckheim
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The Crab Nebula - M1

The Crab Nebula - M1, Corey Rueckheim
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The Crab Nebula - M1

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Description

When focusing for this object, the Crab Nebula, Messier 1, I discovered that my telescope had become badly out of collimation since my last image. This must be due to mirror shift or some shift in the optical train when moving the telescope to another part of the sky. However, it was so cold, and would have been such a hassle, that I didn't bother fixing it. Now while processing, I see that collimation does not seem to have been terribly important. This image turned out great, and I'm surprised by that!

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