NGC4147 ScR Stack 92frames 920s
Celestron C8, NightOwl reducer - F/4.23
15 minute EAA view
10s subs, gain 450, darks and flats applied, -10C
Using new SharpCap 4.1 Features on Globular Clusters
Stretch 6, Nonlinear background correction, Enhancements: color correction, Wiener deconvolution
Note - getting correct color at different levels is a challenge with the different stretch parameters.
This gets better details across the globular with less central blowout