Thread: M17
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Old 20-08-2018, 10:04 PM
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Peter Ward
Galaxy hitchhiking guide

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Join Date: Dec 2007
Location: The Shire
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Quote:
Originally Posted by gregbradley View Post
Razor sharp. Every little ridge, tendril, knot and dust lanes are really well picked up.
Was this using the AOX?

Greg.
Ta Greg. Yes, I try to use the AO-X whenever possible.

In this case there was a conveniently placed and bright guide-star that allowed 10Hz guiding through the h-alpha filter.

That said, the seeing was not great.

On good nights I get stellar footprints around 30% smaller.
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