Registration failing on Red images

Hello, I have made several attempts to register my M51 images in WBPP and my reds keep failing (5 out of 6 fail). And I cannot figure out why. They look good to me in blink. Since I do not have 3 registered images, PI will not integrate them. Is there a common cause for this? Anything I can do to remedy? Or, do I simply need to reacquire red data?

Thanks!

Art

Comments

  • Never mind. I zoomed in closer and it appears that the focus drifted slightly during my red sequence, I will just reacquire.

    Thanks,

    Art
  • Good for you to zoom in. I highlight this as one of the many ways to diagnose images. Too many people see an error...see the zoomed out image that at first glance looks "OK"...but go no further. I hope this is a good learning situation!

    -the Blockhead
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