Here is the full frame of the cropped photo from last tweet. I could mark about 50 galaxies but there are many more in this field of view. The whole cluster is about 50-70 million light years away. t.co/03V5cAWsk… 
Here is the full frame of the cropped photo from last tweet. I could mark about 50 galaxies but there are many more in this field of view. The whole cluster is about 50-70 million light years away. t.co/03V5cAWsk…