sjrankin:
Globular Cluster NGC 6397, variant
sjrankin:
Globular Cluster NGC 6397
sjrankin:
NGC 6822, variant
sjrankin:
NGC 6822
sjrankin:
IC 342
sjrankin:
IC 342
sjrankin:
Perseus Galaxy Cluster, variant
sjrankin:
Perseus Galaxy Cluster
sjrankin:
Horse Head Nebula, variant
sjrankin:
Horse Head Nebula