The Double Double star, Epsilon Lyae, here with the tight components not resolved. This is a stack of 10 x 30-second unguided exposures with the Celestron C9.25 SCT at f/10 and Canon 6D MkII at ISO 1600. Taken May 29, 2019.
The close double stars Epsilon Lyrae, in Lyra, in a stack of frames from a webcam (Philips TouCam) from May 2003 with the C8.
Eta Cassiopeiae, a double star, in Cassiopeia, here unresolved in a general field shot. The small planetary nebula, Abell 2, is just visible at right as a tiny blue disk. Taken from home Nov. 25, 2016 with the 130mm AP f/6 apo refactor with the 6x7 field flattener and Canon 6D at ISO 800 for a stack of 4 x 3 minute exposures.