Berkeley 17 is a trumpler (https://en.wikipedia.org/wiki/Trumpler_classification) class III 1 r open cluster located approximately 8,800 light-years away in Auriga. Be 17 could be the oldest open cluster. More information can be found here - https://iopscience.iop.org/article/10.3847/1538-4357/aa89e2/pdf.
Luminance – 24x300s – binned 1x1 – 120 minutes
RGB – 8x180s – 24 minutes each – binned 2x2
182 minutes total exposure – 3 hours 2 minutes
Imaged October 23rd and November 22nd, 2019 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.