Strong Moonlight interfering but an unexpected clear night so all good. Nice sharp open cluster and 7129 is a HOYS object I image a lot.

Below is a less processed image showing the Moon gradients. By processing them out you definitely lose details.

Object IDNGC 7142 Open Cluster
NGC 7129
Cepheus
Details2021-12-16
Telescope250mm f4.8 Newtonian
MPCC
IDAS D3
CameraQHY168C @-15°C
Exposure(s)20 x 280s
darks, flats, bias
CaptureNINA
ProcessingAPP
Photoshop