IC 410 (Dec. 21. 2022, reprocess of Nov. 2020)

This image is 63x15" (15.75 hours) with the 203mm f/4.95 Synta-ONTC Newtonian, an Astronomik CLS filter, and Atik 460 EXC camera.  The prior version appears here: https://polarisb.blogspot.com/2020/12/ngc-1893-and-sim-129-130-nov-2020.html.