Discovered by Saurer et.al. (1994), this cluster candidate is Listed as globular cluster in the second edition of Uranometria 2000.0. It is now considered an open cluster.
.. more to come ..
Reference:
The reference Saurer et.al. (1994) treats open cluster Berkeley 93, and in its appendix, shows the 6 clusters now called "Saurer", "[SSWZ94]", or "[SSW94]" either numbered 1..6, or labelled a..f. Here is a short table identifying them (including Berkeley 93, with links to SIMBAD):
Cluster RA (J2000.0) Dec Berkeley 93 21:55.6 +63:56.7 Saurer 1 = [SSWZ94] a 07:20.9 +01:48 Saurer 2 = [SSWZ94] b 08:25.5 -39:38.4 Saurer 3 = [SSWZ94] c 10:41.5 -55:18 Saurer 4 = [SSWZ94] d 12:14.1 -63:36 ## X-GC cand Saurer 5 = [SSWZ94] e 19:39.6 +25:39 Saurer 6 = [SSWZ94] f 19:51.0 +32:15