Jump to content
  • Join the online East Midlands astronomy club today!

    With active forums, two dark sites and a knowledgeable membership, East Midlands Stargazers has something for everyone.

First light

Recommended Posts

Yes I'd noticed it (and hoped others didn't 😀). I would like to say thats it's a previously undiscovered filament running through Leo, but I can't.  I've just had a look at the individual images and as far as I can see, none of them show it. I suspect it's an artifact resulting from stacking images taken at different F numbers resulting in an overall vignetting effect that the gradient remover couldn't quite remove (no flats used so it had to cope with both the vignetting and a large non-linear sky gradient north to south). It only shows on stretched images.

Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Restore formatting

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.