Weird shifting blurryness?? with DSLR and 70mm telescope

[realflow100]

at 10x digital zoom so I can see stuff really close I notice fine details will randomly get blurry and sharp like theres a filter effect of subtle blurryness over stuff
Any idea what would cause that?
its very noticable during the daytime when focusing on something a good distance away. anything with high contrast and subtle contrast features like the grill of an AC window unit

Is my camera doing something weird? or is it the telescope optics or something else?

And it also looks like the object im looking at is subtly shifting around??

[Lady Fraktor]

Is your camera on auto focus?

[realflow100]

No i'm using a telescope. there is no autofocus. I mentioned this in the title

[Ruud]

Turbulence in the atmosphere (seeing)?

[realflow100]

I'm not sure? maybe? is it really that noticable in the daytime? its not even warm out. its a nice cool-ish temperature outside

[UlteriorModem]

Temperature is irrelevant. And closer to the ground the worse the turbulence gets. I assume your imaging some terrestrial object in the daytime.

[realflow100]

yeah

[JayTee]

What you are witnessing is definitely atmospheric motion. This is one of the great bugaboos of this hobby. We are totally at the mercy of the movements of the blanket of air under which we live. And you will notice that the more magnification you use the greater the effect will seem.

JT

[realflow100]

its already pretty bad with no additional magnification with my camera and telescope. If i do 10x digital zoom i can see it undulating and shifting like crazy. making the image seem blurrier than it should be. i have to take like 20 shots and pick out the best one

[notFritzArgelander]

its already pretty bad with no additional magnification with my camera and telescope. If i do 10x digital zoom i can see it undulating and shifting like crazy. making the image seem blurrier than it should be. i have to take like 20 shots and pick out the best one

Yep, atmospheric turbulence.

[realflow100]

a lot of it thats for sure!

[UlteriorModem]

its already pretty bad with no additional magnification with my camera and telescope. If i do 10x digital zoom i can see it undulating and shifting like crazy. making the image seem blurrier than it should be. i have to take like 20 shots and pick out the best one

This is exactly why for deep sky AP we take dozens of frames and then 'stack' them.

[realflow100]

how do you pick out the best frames?
do you have to lower the exposure and look at some of the brightest stars to see what frames have the sharpest and clearest stars or something?
or do you not need to change the exposure?

[UlteriorModem]

No exposure duration remains the same.

The processing software 'looks' at the stars to align the images then integrates them and averages things out.

Some software packages have routines to 'weigh' the frames and allows you to cherry pick the best frames. Or you can do it manually looking at the frames one by one and toss out any real stinkers. Things like star trails, out of focus stars, washed out frames, satellite trails, etc.

Here is a link to some processing software. They are in fact a sponsor of these forums. There is a free trial available.

https://www.startools.org/about

You seem to be at the very bottom of a very steep learning curve. I wish you luck with your endeavors.