Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  Trifid Nebula
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Triffid re-visited with 780mm FL - LRGB, robonrome
Triffid re-visited with 780mm FL - LRGB
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Triffid re-visited with 780mm FL - LRGB

Getting plate-solving status, please wait...
Triffid re-visited with 780mm FL - LRGB, robonrome
Triffid re-visited with 780mm FL - LRGB
Powered byPixInsight

Triffid re-visited with 780mm FL - LRGB

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Description

Another repeat target trying full FL (780mm) using a straight flatenner on my APM130 F6.

Again I dont think the extra FL buys me anything over using the scope at 0.75 reduction and 585mm... anything gained is currently overshadowed by less signal and more tracking issues.

I also think I've over-exposed here in my Bortle 7 skies a little with 90s for L and 180s for RGB.

Stacked in APP and combined a processed in Startools.

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Sky plot

Sky plot

Histogram

Triffid re-visited with 780mm FL - LRGB, robonrome

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Southern Hemisphere Astro