Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  M 23  ·  NGC 6469  ·  NGC 6494  ·  NGC 6514  ·  NGC 6554  ·  The star 4 Sgr  ·  The star 5 Sgr  ·  The star 6 Sgr  ·  The star 7 Sgr  ·  Trifid Nebula
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Thor's Helmet Nebula, Herbert W Hamber
Thor's Helmet Nebula
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Thor's Helmet Nebula

Getting plate-solving status, please wait...
Thor's Helmet Nebula, Herbert W Hamber
Thor's Helmet Nebula
Powered byPixInsight

Thor's Helmet Nebula

Equipment

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Description

Thor's Helmet Nebula

Svbony SV550 122mm Triplet APO refractor on Skywatcher HEQ5 Pro mount, Risingcam Sony IMX571 camera.

Natural color, no filters.

Total time  197 min, 10sec subs

No guiding, no apps, no gadgets, optical polar alignment. No added or removed stars, no re-colored stars, no re-shaped stars.

Images stacked in DSS (free) and minimally edited in Gimp (also free).

At the University of California Steele/Burnand Desert Research Center (SBDRC) in Borrego Springs, Calif.

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Thor's Helmet Nebula, Herbert W Hamber