APT Flips image when using DSLR

[johneta]

Hi
Just thought I'd share this problem Ive mostly worked through.
I was having problems with APT and my Canon DSLR  (550d).
Eg.  On some imaging sessions I found that the first 20 images or so were right side up and then the last 10 were inverted.

Not a huge problem as stacking programs will rotate them for you. But I saw an issue on a post where Flats were inverted compared to Lights, and of course the Flats did not work.
-My problem was, when I manually framed a previous nights image with the framing tool,- then intermittently, the framing pattern was upside down.
Also this inverted image issue was reflected differently across different features of the Program. Could get very confusing.

It took me a while to realize the images were  flipping when the mount had rotated round enough to make the camera body upside down (or at least leaned way over- close to upside down)

Disabling image orientation in-camera does not fix this.
It turns out its an issue with APT - see this post and look at last few posts where it gets fixed.  https://aptforum.com/phpbb/viewtopic.php?f=5&t=1053

The orientation of the camera was not being properly read off the RAW images, but interestingly was OK on JPEGs (the initial workaround was to capture images in RAW+JPEG)

So the fix is to install 3.86.7. You need to google "Astro Photography Tool beta 3.86.7" and install it.

It works well.   -- with a small BUT.

One remaining issue that still hasn't been sorted is when you use    IMG- Preview Effects      while live view focusing, to flip the image intentionally -say to frame an image that was previously upside down- then the orientation works well, but then when you click 5x or 10x zoom, that orientation is not applied to the liveview zoomed image.
But that's a special case perhaps not come across often.

And Ive just seen that IVO will look at fixing that in the next revision.

Hope this helps someone.

Edited October 1, 2020 by johneta