Figures:
13.1:
NGC 0024
13.2:
NGC 0337
13.3:
NGC 0584
13.4:
NGC 0628
13.5:
NGC 0855
13.6:
NGC 0925
13.7:
NGC 1097
13.8:
NGC 1266
13.9:
NGC 1291
13.10:
NGC 1316
13.11:
NGC 1377
13.12:
NGC 1404
13.13:
NGC 1482
13.14:
NGC 1512
13.15:
NGC 1566
13.16:
NGC 1705
13.17:
NGC 2403
13.18:
Ho II
13.19:
M 81 Dw A
13.20:
DDO 053
13.21:
NGC 2798
13.22:
NGC 2841
13.23:
NGC 2915
13.24:
Ho I
13.25:
NGC 2976
13.26:
NGC 3049
13.27:
NGC 3031
13.28:
NGC 3034
13.29:
Ho IX
13.30:
M 81 Dw B
13.31:
NGC 3190
13.32:
NGC 3184
13.33:
NGC 3198
13.34:
IC 2574
13.35:
NGC 3265
13.36:
Mrk 33
13.37:
NGC 3351
13.38:
NGC 3521
13.39:
NGC 3621
13.40:
NGC 3627
13.41:
NGC 3773
13.42:
NGC 3938
13.43:
NGC 4125
13.44:
NGC 4236
13.45:
NGC 4254
13.46:
NGC 4321
13.47:
NGC 4450
13.48:
NGC 4536
13.49:
NGC 4552
13.50:
NGC 4559
13.51:
NGC 4569
13.52:
NGC 4579
13.53:
NGC 4594
13.54:
NGC 4625
13.55:
NGC 4631
13.56:
NGC 4725
13.57:
NGC 4736
13.58:
DDO 154
13.59:
NGC 4826
13.60:
DDO 165
13.61:
NGC 5033
13.62:
NGC 5055
13.63:
NGC 5194
13.64:
NGC 5195
13.65:
Tol 89
13.66:
NGC 5408
13.67:
NGC 5474
13.68:
NGC 5713
13.69:
NGC 5866
13.70:
IC 4710
13.71:
NGC 6822
13.72:
NGC 6946
13.73:
NGC 7331
13.74:
NGC 7552
13.75:
NGC 7793