NGC 7789 is an open cluster found in the constellation Cassiopeia. The cluster was discovered by Caroline Herschel in 1783, and is estimated to be 6,000 light-years away. The exposure was a total of 4 hours exposure taken with a Takahashi CCA-250 f/5 astrograph with a QSI683wsg CCD camera (Astrodon Gen 2 filters) on a Paramount ME in Mayhill, NM on the nights of 22, 25 Oct. 2019 (4 X1200 sec @ -20 degrees C. lights though R, G, and B filters, respectively; 24 darks; 128 bias; 128 flats for R, G, and B, respectively). Processed with PixInsight 1.8.8-3 Ripley (X64) using the Weighted Batch Preprocessing Script. Deconvolution performed on a synthetic light.