2022 Michael A. Siniscalchi
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                     SH2-209 & NGC 1528
              Emission Nebula & Open Cluster in Perseus
                          RA:04h 09m 58s  Dec: +51 27' 52"

Click on image for larger size
Location & Date
Backyard, Abbott Observatory- Long Island, NY,  September/October, 2022
Telescope
TMB130SS F/7 APO, Moonlite focuser, Losmandy G11 Gemini
Image scale 1.54 arcsec/pixel
Camera
SBIG ST-10XME
Baader  Ha,R,G,B filters
CCD temp -10C
Exposures
Ha-11x10m  Red-12x5m  Green-12x5m Blue-12x5m Bin 1x1  for each panel
Planning & Acquisition
Image mosaic planning and acquisition- Sequence Generator Pro
Processing
CCDStack - calibration, debloom
Astro Pixel Porocessor - normalize, align, stacking, 4-panel mosaic assembly
Adobe Photoshop -   Ha+RGB Color processing, JPEG conversion
RC-Astro Star XTerminator, Noise Xterminator
Topaz Sharpen AI

Wikipedia

SH2-209 is a rather remote H II region, located on the arm of the Swan at a distance of about 7800 parsecs (a little less than 25500 light years). It is part of a star formation region located on the periphery of the Milky Way, to which associated with some sources of infrared radiation cataloged by IRAS. Among these, IRAS 04064+5052 stands out, coinciding with a young stellar object identified in 1989 and having the initials CPM 12, which is associated with a maser with H2O emissions; the nebula also hosts the young open cluster [BDS2003] 65, still deeply immersed in the gases
SH2-209 Hydrogen Alpha (Ha) 4 panel mosaic - 110 minutes exposure per panel