As northern autumn turns to winter, the arc of the northern Milky Way reaches nearly overhead in the evening hours. Here we look into the Perseus Arm, the outermost spiral arm of the Milky Way galaxy which is flecked by dozens of sparkling open stars clusters accessible to a small telescope. This region nearly rivals the dense star fields of Scutum and Sagittarius, summer constellations which lie towards the inner arms of the Milky Way. This month, let’s take a quick tour of a few highlights of the Perseus Arm in the constellation Cassiopeia. It’s a perfect part of the sky for visual observing or for taking a few astro-snapshots [Read more…] about Sightseeing Along the Perseus Arm
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