The double-star Albireo is a contrasting-color blue/yellow pair located at the head of the summer constellation of the Swan (Cygnus). The blue and yellow components are 35 arcseconds apart. The brighter, yellowish star is itself a double-star with components separated by less than 1/2 arcsecond.
- Date/Time: 3 July 2016
- Location: Vanishing Point Observatory
- Camera: Nikon D700 @ ISO 1600
- Exposure: 1/4 sec. (single frame)
- Scope: AP 155 f/7
- Mount: Losmandy Titan
- Image Processing: Lightroom