J2000: 21 21 23.17 +59 36 35.6
Gaia DR3 2191469649332240768 = GSC2.3 N1FC078233 = 2MASS 21212316+5936355 = USNO-B1.0 1496-0306240

Comments:  Gaia DR3 observations.

HJD	G_mag
2456883.631991	18.2031
2456883.808154	18.2002
2456883.882156	18.1891
2456884.058326	18.2065
2456884.132335	18.1953
2456884.308498	18.2188
2456884.382479	18.2171
2456884.558641	18.2423
2456884.632678	18.5926
2456884.808862	18.2327
2456884.882850	18.2644
2456885.059012	18.2640
2456885.133020	18.2478
2456885.559353	18.2765
2456930.000475	18.2008
2456969.451673	18.1929
2456991.123843	18.1554
2457025.593038	18.3029
2457025.667021	18.2141
2457056.401820	18.1768
2457085.570916	18.2289
2457124.803906	18.2054
2457124.877914	18.2432
2457154.300542	18.4711
2457154.374551	18.3791
2457188.537893	18.1759
2457188.611903	18.1794
2457224.514754	18.2100
2457224.588735	18.2040
2457248.511816	18.2028
2457288.716500	18.2465
2457307.217276	18.1833
2457345.920392	18.1709
2457345.994425	18.1750
2457368.988286	18.1930
2457402.388637	18.1654
2457402.462641	18.1726
2457435.372154	18.1836
2457463.691802	18.1740
2457463.867958	18.1933
2457503.351781	18.2024
2457566.084808	18.1826
2457625.379151	18.0258
2457665.757282	18.1730
2457665.831317	18.1992
2457684.507572	18.1737
2457722.287670	18.2067
2457747.205308	18.2061
2457779.258592	18.1994
2457814.298589	18.1986
2457814.474744	18.2028
2457842.472421	18.2162
2457842.546435	18.2008