... August 20 27, 2015: Globular cluster M28 and open cluster M25 in Sagittarius offer small-telescope owners nice views, while large-telescope owners can seek out planetary nebula NGC6781 in Aquila. ...
... New Hubble image of the Twin Jet Nebula . Globular cluster M28, open cluster M25, and planetary nebula NGC6781 . 100 Most Spectacular Sky Wonders . ...