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NGC 6242 and NGC 6268 - open star clusters north of IC 4628
in the constellation Scorpion |
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Object description:
NGC 6242 and
NGC 6268 are two small open star clusters
north of the H-II emission region IC 4628 in the constellation
Scorpio.
NGC 6242 is classified as Type
I 3 m according to Trumpler and is located about 3700 light-years from
the solar system. The members of the cluster have apparent magnitudes between
8th and 11th magnitude. The cluster was discovered by Nicolas Lacaille in
1751.
NGC 6268 is smaller and has
significantly fewer stars. It is assigned to class II 2
p according to Trumpler. It stands at a distance of about 3350
light-years from the solar system and was discovered June 5, 1826 by James
Dunlop.
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by Franz Hofmann + Wolfgang Paech |