Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  HD220057  ·  LBN 548  ·  LBN 549  ·  NGC 7635  ·  Sh2-162
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NGC7635 - Oct 2023, Dan Pritzl
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NGC7635 - Oct 2023

Getting plate-solving status, please wait...
NGC7635 - Oct 2023, Dan Pritzl
Powered byPixInsight

NGC7635 - Oct 2023

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Description

This image is the result of my first night learning to use a Skywatcher Quattro 250mm f/4 Newtonian astrograph. My experience with reflectors is limited, and this setup pushed my hardware past its limits. Most of this frame is cropped out since the coma corrector I used was not at all up to the task of flattening to the corners. That said, I am very happy with the light-gathering power of this OTA and that I was able to maintain a guiding RMS error under 0.5" despite the mount being over its rated payload carrying capacity.

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NGC7635 - Oct 2023, Dan Pritzl