Test to see if imaging M31 in tri-band is worth it. Yes! Detail in there that I haven’t seen in other images I’ve taken. Planning a 6 pane mosaic of the galaxy.

Object IDM31 Andromeda Galaxy
Details2021-09-07
Telescope250mm f4.8 Newtonian
Tri-band filter
CameraQHY168C @-15°C
Exposure(s)10x300s
darks, flats, dark-flats
CaptureNINA
ProcessingAPP, Photoshop