IC410 & Neighbors

From left to right is IC405, IC410, IC417, and NGC1931. The open cluster in the lower right is M38 and M36 is just outside the frame to the right.

Narrowband image with R=H-a, G=SII, and B=OIII (with some mixing of H-a). About 6 hours of H-a and 3 hours each of SII and OIII, all with 30 minute subs. 3nm Astrodon filters.

Tamron 70-200 zoom lens at 200mm, f/4
QSI583 camera
AP Mach1 mount