Complex sentence: The peculiarity of this galaxy was first identified in 1847 by John Herschel, and the galaxy was included in the "Atlas of Peculiar Galaxies" as one of the best examples of a "disturbed" galaxy with dust absorption.
Split into simpler sentences: The peculiarity of this galaxy was first identified in 1847 by John Herschel. The galaxy is included in the "Atlas of Peculiar Galaxies" as an example of a disturbed galaxy with dust absorption.