The open star cluster "Teutsch 150" is found in the constellation Aquila and is listed in SIMBAD with an apparent size of 2'.
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The cluster is not easy to see even with a 20 inch telescope. Teutsch 150 is grouped around a bright 10mag star which makes observation
a bit difficult. At 270x a rather faint halo around the star can be seen with indirect vision. Out of this halo a few very faint single
stars flash out from time to time.