|M16 Eagle Nebula|
(Click to enlarge)
This image © Copyright 2018, Michael Fulbright
Seeing was beter with 300s frames some masked in sharper core from 300s over a masked sum of 300s+600s for fainter areas to improve S/N.
Telescope: Astro-Tech AT8RC
Mount: Orion Sirius EQ-G
Camera: Starlight Xpress SXV-H9
Exposure: Baader H-alpha 7nm: 15x300" bin 1x1, Baader H-alpha 7nm: 18x600" bin 1x1