J2000: 21 13 51.32 +58 51 34.2
Gaia DR3 2191337222601508992 = GSC2.4 N1DZ045321 = 2MASS 21135130+5851340 = USNO-B1.0 1488-0308246

Comments:  Gaia DR3 observations.

HJD	G_mag
2456880.379642	18.3403
2456880.555805	18.3863
2456880.629814	18.3458
2456880.879986	18.3433
2456881.056149	18.5908
2456881.306321	18.3423
2456881.380330	18.3436
2456881.556464	18.3068
2456881.630501	18.3103
2456881.806663	18.3216
2456881.880672	18.3623
2456882.056834	18.3177
2456882.306976	18.3524
2456929.925702	18.3448
2456969.127518	18.5834
2456969.201524	18.3172
2456991.197043	18.3447
2457056.652010	18.3230
2457056.828162	18.3279
2457085.645413	18.2522
2457124.878810	18.3662
2457125.054969	18.5751
2457154.800794	18.6639
2457154.874803	18.3396
2457188.362455	18.3071
2457248.261549	18.3435
2457288.465736	18.3329
2457307.040225	18.3114
2457345.670435	18.3418
2457345.744439	18.3315
2457369.237681	18.3136
2457435.622537	18.3125
2457435.696543	18.3246
2457464.118750	18.3558
2457503.176527	18.3103
2457503.352689	18.3128
2457534.345775	18.3460
2457534.419785	18.5193
2457565.835184	18.3050
2457625.128663	18.3989
2457665.506643	18.3419
2457665.580678	18.3105
2457684.506547	18.3105
2457722.037834	18.3139
2457747.454865	18.3294
2457779.185342	18.3363
2457779.259346	18.3303
2457814.725380	18.3177
2457814.799386	18.3163
2457842.723110	18.3198
2457842.797116	18.2857
2457881.281603	18.3287