Casado on 24-Mar-2020 12:01:32 GMT about Cl Stock 21
[FSR2007] 0495 is most probably an already known open cluster: Stock 21, which central coordinates seem to be erroneous. The number of members in both cases is ca. 30, and the children members of Stock 21 are centered around the position of the present object.
Regarding distances, there is more consistency between the distance of this object (ca. 2.5 kpc) and the parallax of Stock 21 (0.510 +/- 0.036), than between distance and parallax of Stock 21 obtained by different authors.
Therefore, I suggest merging both objects as the same open cluster.
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View annotation on Cl Stock 21 object