How to find NGC6956 from Altair
Identify the first reference star, then follow the numbered hops.
Follow the route from one recognizable star to the next until you reach NGC6956.
NGC6956 is 62° above the horizon toward the northwest.
HYG 99158.0
From Altair, move about 4.2° toward the east until you reach HYG 99158.0.
