Giles replied to the topic 'Lost tracking/guiding' in the forum. 4 years ago

Probably lost your guide star.

Possible Actions:

1. Increase guiding exposure time.
2. Look at SEP Multistar (new feature) in latest versions of Ekos, can help track a moving guide star by referencing the positions of other stars in a field.
3. OAG badly out of focus? Not parfocal or focusing failure?

I have the ASI120MC-S on an OAG, and sometimes images seem rather noisy, soon to upgrade to the ASI290MM mini for the OAG - hope for better SNR, and lower noise in general, plus it is mono, so should be better on many fronts.

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