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Captured by
Douglas Rollain

M20 Trifid Nebula in LRGBHa

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M-81, C-14 Luminance image

M-81, C-14 Luminance


Acquisition Details
  • Number of frames:
  • FPS:
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  • CMI/CMII/CMIII:
Description

This was a Luminance image of M-81 taken at F/7 with a C-14. Exposure was 3x10 min. unbinned ST-8 and CFW-8- Dark reduction only, from Tierra Mesa Observatory, New Mexico.