NGC6570 is a spiral galaxy in the constellation of Ophiuchus. It is part of the original New General Catalogue. "NGC 6621". SIMBAD. Centre de données...
The Little Gem Nebula or NGC 6818 is a planetary nebula located in the constellation of Sagittarius. It has magnitude 10 and oval diameter of 15 to 22...
points Hydrocarbon Dew-point – A Key Natural Gas Quality Parameter (ISO 6570:2001) Natural gas -- Determination of potential hydrocarbon liquid content...
NGC 670 is a lenticular galaxy located in the Triangulum constellation about 165 million light years from the Milky Way. It was discovered by the German-British...
NGC 6782 is a barred spiral galaxy located in the southern constellation of Pavo, at a distance of approximately 173 megalight-years from the Milky Way...
NGC 6509 is a galaxy in the New General Catalogue. It is located in the constellation Ophiuchus. It is a Sc type spiral galaxy. Simbad Astronomical Database...