This article lists all known errors in issues of Sky & Telescope for 2017. See also the errata listings for previous years.
Page 5: Laszlo Sturmann's reply should read, in part, "Think of the Meade objective as a very long focal-length 'eyepiece' that, just like any other eyepiece, forms a real image of the entrance pupil of the telescope."
Page 6: The letter titled "Moonstruck" by Vahe Sahakian also appears in the December 2016 issue and was inadvertently repeated.
Page 6: The comment about the siege of Leningrad should note that valuable items at Pulkovo Observatory were moved prior to the Germans' (not Russians') assault.
Pages 11 & 84: AR Scorpii is not the first pulsing white dwarf, as the titles suggest. Instead, it represents the first known white dwarf binary with pulsar-like outbursts.
Page 66: Eli Maor's article about the 1925 total solar eclipse observed from New York City includes an image of the Empire State Building, which was not built until 1930–31.
Page 29: The amount of dirt and stone removed for the FAST radio telescope was 900,000 cubic meters, not nearly 1 cubic km as stated in the bottom caption.
Page 66: The reference star used as an aid to spotting NGC 1954 is 8 Lep, not 8 Lac.
Page 30: Although not stated, the large image is a composite of a summertime Milky Way with a winter foreground scene.
Page 54: The brightest star in the "Sailboat" asterism is 22 Leonis Minoris (not 22 Leo Minoris).
Front cover: The illustration of Curiosity on the Martian surface is reversed left-right. (The instrumented arm is actually mounted on the rover's front-left corner.)
Page 29: The Umbrella Galaxy is NGC 4651, not NGC 4641 as noted in the caption.
Page 43: The two open clusters in Cancer are M44 and M67 (not M26 as noted in the text).