The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, known as the NGC objects. It is one of the largest comprehensive catalogues, as it includes all types of deep space objects, including galaxies, star clusters, emission nebulae and absorption nebulae.
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NGC 1647
NGC 1647 is an open cluster in the constellation Taurus. It contains nearly 90 stars and it lies at a distance of 550 parsec. It is visible even with binoculars close to Aldebaran. It was discovered by William Herschel in 1784. It is located behind the Taurus dark nebula complex, approximately 160 parsec away. The brightest main sequence stars are of spectral type B7. Its age is estimated to be 150 million years.
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Wikipedia Page: NGC 1647
NGC 1647 at In-The-Sky website