Newbie astrophotography question

[Brewster Brownville]

I'm relatively new to astrophotography and completely new to this Astrometry tool. I have uploaded a few images that have failed and am not sure why? Any input would be really appreciated. I've included a link below to one of the images. 

Lastly, can anyone recommend a good board for discussing DSO astrophotography? I have been doing it on my own for a couple years, and have to chat with about it. Thanks!

https://nova.astrometry.net/user_images/6211840#original

[Dustin Lang]

Hi,

Two things (okay three):

- in general, Astrometry.net does poorly on really wide-field images because the distortions are usually much more than what it was built to handle

- for super wide-field images, look under the "Advanced settings" area, in the "Scale" area, click the "very wide field" option.

- blank regions in your image will throw it off (we expect to find stars there and then are surprised not to find any there).

I tried cropping your image and setting the large scale, and got this solution:

https://nova.astrometry.net/user_images/6216318#annotated

That still took a while.  I also tried cropping to a more square image,

https://nova.astrometry.net/status/6079707

and got a quicker solution.

We have a to-do feature to tell it to only search for a sub-region in the image.

cheers,

dustin

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[paul.l...@gmail.com]

I very much like Stargazers Lounge, https://stargazerslounge.com/ for discussing all forms of astronomy, including astrophotography.