Complex sentence: It is one of the closest and brightest barred spiral galaxies in the sky, visible with binoculars in the constellation of Hydra; the nickname "Southern Pinwheel" is due to its spiral arms.
Split into simpler sentences: It is one of the closest and brightest barred spiral galaxies in the sky, making it visible with binoculars. The nickname "Southern Pinwheel" is due to its spiral arms.