Aquila is a constellation in the northern sky.
New!!: NGC 6709 and Aquila (constellation) ·
C is the third letter in the English alphabet and a letter of the alphabets of many other writing systems which inherited it from the Latin alphabet.
New!!: NGC 6709 and C ·
In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).
New!!: NGC 6709 and Constellation ·
In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.
New!!: NGC 6709 and Epoch (astronomy) ·
A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.
New!!: NGC 6709 and Light-year ·
The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a well-known catalogue of deep-sky objects in astronomy compiled by John Louis Emil Dreyer in 1888, as a new version of John Herschel's Catalogue of Nebulae and Clusters of Stars.
New!!: NGC 6709 and New General Catalogue ·
An open cluster, also known as galactic cluster, is a group of up to a few thousand stars that were formed from the same giant molecular cloud and have roughly the same age.
New!!: NGC 6709 and Open cluster ·
A parsec (symbol: pc) is a unit of length used to measure the astronomically large distances to objects outside the Solar System.
New!!: NGC 6709 and Parsec ·