2023 Michael A. Siniscalchi
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        NGC 6819
     Open Star Cluster in Cygnus
          RA 19h 41m 18s  Dec: +40 11' 12" Distance - ~7200 ly

Wikipedia-
NGC 6819 is an open cluster (commonly known as an "open star cluster") located 7,200 light years away in the Cygnus constellation. It was discovered by Caroline Herschel on 12 May 1784.
Situated on the boundary of Cygnus and Lyra, NGC 6819 contains roughly two dozen stars of magnitude 10 to 12, with many more lower magnitude members.
The age of NGC 6819 is estimated here to be ~ 2.5 0.5 Gyr.

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Location & Date
Backyard, Abbott Observatory- Long Island, NY,  September,  2023
Telescope
TMB130SS F/7 APO, Moonlite focuser, Losmandy G11 Gemini
Image scale 1.54 arcsec/pixel
Camera
SBIG ST-10XME
Baader  LRGB filters
CCD temp -10C
Exposures
L-12x12m  R-12x2m G-12x2m B-12x2m Bin 1x1 for each panel
Planning & Acquisition
Sequence Generator Pro  (4-panel mosaic)
Processing
CCDStack - calibration, debloom
Astro Pixel Processor  Mosaic assembly,  LRGB processing
Photoshop  additional processing
RC-Astro Star XTerminator, Noise Xterminator
Click on image for medium size
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