Billions and Billions of stars - NGC6520
Every single dot in this image is a star, the dark nebula is blocking the light of the background stars.
This is a revision of the my last image, so the first one will be deleted from my album.
Telescope: Refractor Orion ED80
Focal Length: 600mm
Mount: SkyWatcher HEQ5 Pro
Filters: LRGB Optolong
L: 38x 300s bin1x1
R: 15x 120s bin2x2
G: 15x 120s bin2x2
B: 15x 120s bin2x2
Total: 3.4 hours