sh2-155 The Cave Nebula
Narrow band, HA+OIII with a synthetic green. Taken from my roll off shed in Oakley, Hampshire, UK between the nights of the 20th to the 29th of October 2018 as the skies allowed.
HA 10x1800s Baader 7NM Filter
OIII 10x1800s Baader 8.5NM Filter
8" F7 RC at prime focus
QSI 583WS CCD Camera
iOptron CEM60 Mount
Imaged with SG Pro, processed in Pixinsight