M20 the Trifid Nebula - First Light with HyperStar (Michael Feigenbaum)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: B85 · M 20 · NGC 6514 · PK006+00.1 · Sh2-28 · Sh2-30 · Trifid nebula

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M20 the Trifid Nebula - First Light with HyperStar

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M20 the Trifid Nebula - First Light with HyperStar

This is a first-light image for me using HyperStar with the C9.25. I think this was not the best choice for a subject simply because it is now very low in the sky and the time window for capturing it is very short. But I had done this one in the past and I wanted to compare.

Anyway, I was very impressed with the ease of using the HyperStar. No problems focusing or collimating, although I think a little more diligence in the latter might be warranted.

But what I really like about this idea is that it provides the opportunity to image at the native FL of the primary, in this case F2.3. So you get fast, wide-field and larger aperture... a pretty good combination for a lot of thngs.

I still have work to do to get it tuned in, like cable routing to prevent strange diffraction artifacts and I really would like to find a solution to the reflections that I get with the Oiii filter but all in all I really like this... As always, any comments, suggestions, and criticism are greatly appreciated!

CS to all!

Mike

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Status	Advanced success
Started	...
Astrometry.net job	2976624
PixInsight job	ADFZBFZOV7CJV26DCCZ585AFM5MAUJEZ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h02m21s.14
RA (top/left)	18h05m44s.65
RA (top/right)	18h00m23s.60
RA (bottom/right)	17h58m56s.54
RA (bottom/left)	18h04m20s.72

Dec (center)	-23°01′02″.9
Dec (top/left)	-22°40′03″.9
Dec (top/right)	-22°17′41″.0
Dec (bottom/right)	-23°21′50″.0
Dec (bottom/left)	-23°44′27″.1

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M20 the Trifid Nebula - First Light with HyperStar

M20 the Trifid Nebula - First Light with HyperStar

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M20 the Trifid Nebula - First Light with HyperStar

M20 the Trifid Nebula - First Light with HyperStar

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