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Rotatot at work | tracking rate wrong?

Posted: Sun Jul 03, 2022 8:11 am
by MunichAtNight
Hi Pegasus!

I got the falcon rotator to work! ;) I 3D-printed the necessary adapter including Baader Coma corrector and a filter drawer as well.
falcon-skywatcher-01-mini.jpg
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ASCOM based it was easy to integrate it to Sharpcap!

And when activating the camera inside sharpcap the falcon software starts as well automatically.

sharcap-rotator-04.jpg
sharcap-rotator-04.jpg (46.49 KiB) Viewed 3540 times
My first light I did with M13

  • Skywatcher 200PDS
  • ASI294MC (Uncooled)
  • 724 frames, 4 s: 2912 s
  • Azimut/Height ~230° | ~ 74°
  • Mount SW AZ-EQ5 at AltAZ-mode
M13_ALL-1500_Stack_724frames_2896s_WithDisplayStretch.jpg
M13_ALL-1500_Stack_724frames_2896s_WithDisplayStretch.jpg (644.6 KiB) Viewed 3540 times


Interesting facts, it seems to de-rotate very well but it looks like that the mount is to fast or to slow :? when tracking. During stacking there was already visible a growing, black border at the below and right edge.

I will check next CS night! I guess it may end that I need guiding! :shock: As first idea I will try to manually modify the tracking rate value in the hand controller of the mount.

Do you have any idea what might cause this borders? Do you think I am right assuming to slow/fast tracking?

Servus! MunichAtNight - Ewald