NGC 6910 is an open cluster in Cygnus (visible to the left of center in this image. Discovered by William Herschell in 1786, it is very close to Gamma Cygni (aka Sadr), which is the prominent star in this image. I've also included the astrometric image.
Technical information:
Scope: William Optics GT-71 20th Anniv. Edition; 6A-II FF/FR
Mount: iOptron Smart Eq PRO
Imager: Mallincam DS10c
Filter: Optolong L-eXtreme
Imaging Software: NINA
Integration time: 3,815 seconds (109 x 35s)
Guiding: unguided; manual dither
Ha extraction in SiriL
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