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SCT Images
8 Meade SCT with dual 6.3 reducer/correctors.
Initial images
Current spacing (Celestron SCT to T adapter direct to camera) - setup as a focal length of F3.61 (721mm focal length). With an ASI178mm and Neptune 178 color camera and 2.4um pixels these initial images have about a 0.6 by 0.4 degree field of view.
Later images
Omegon short SCT-T Adapter and 30mm spacers at F4.275. Cleaner images with diamond shapes. I intend to try collimating stars in the center with the double reducers in place.
Updated images use F3.6 (increased spacing by 5mm .. it's sensitive)
Initial images
Current spacing (Celestron SCT to T adapter direct to camera) - setup as a focal length of F3.61 (721mm focal length). With an ASI178mm and Neptune 178 color camera and 2.4um pixels these initial images have about a 0.6 by 0.4 degree field of view.
Later images
Omegon short SCT-T Adapter and 30mm spacers at F4.275. Cleaner images with diamond shapes. I intend to try collimating stars in the center with the double reducers in place.
Updated images use F3.6 (increased spacing by 5mm .. it's sensitive)
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