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.
Photo info
- 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
M22 is one of the larger globular clusters visible from the northern hemisphere. It is located near the galactic center in Sagittarius and contains an estimated 70,000 stars.
Photo info
- Date/Time: 3 July 2016
- Location: Vanishing Point Observatory
- Camera: Nikon D700 @ ISO 3200
- Exposure: 53 x 30 sec.
- Scope: AP 155 f/7
- Mount: Losmandy Titan
- Autoguider: SBIG ST-V
- Image Processing: Lightroom and Deep Sky Stacker