The dark nebula B142-3 is a dust formation near Gamma Aquillae obstructing the light of the background stars. -- Equipment: Mount GP, unguided exposure, t=204s, Televue 76 with TV reducer (f/5), Nikon d3100, no flats
HaRGB Image, Ha=3x600s, R,G,B=300s each at 660mm focal length, f/5.2