3,073 followers
RT @RobertBurnhamJr: Near the center of M47 is the easy double star Struve 1121, a neat 7.5" pair. The projected separation is about 4100 A…
Imaging the Messier Objects Remotely from Your Laptop
Springer International Publishing
455 followers
Near the center of M47 is the easy double star Struve 1121, a neat 7.5" pair. The projected separation is about 4100 AU, a gap which would hold 50 orbits of Pluto, helping us comprehend something of the scale involved in a typical galactic star cluster. [h
3,073 followers
RT @RobertBurnhamJr: Near the center of M47 is the easy double star Struve 1121, a neat 7.5" pair. The projected separation is about 4100 A…
455 followers
Near the center of M47 is the easy double star Struve 1121, a neat 7.5" pair. The projected separation is about 4100 AU, a gap which would hold 50 orbits of Pluto, helping us comprehend something of the scale involved in a typical galactic star cluster. [h