Page 45: In the photograph, the stars labeled Beta and Zeta Tauri are actually Iota Aurigae and Beta Tauri, respectively.
Page 54: Mars will have an apparent diameter of 18.4″ (not 22″) when at opposition on May 22, 2016.
Page 70: Renowned telescope maker John Alfred Brashear was born in 1840, not 1849.
Page 59: In the table, the alternate name for NGC 2624 is MCG +3-22-19, not MCG +3-22-21.
Page 42: The phases of the Moon are:
Last Qtr: March 1, 6:11 p.m. EST
New Moon: March 8, 8:54 p.m. EST
First Qtr: March 15, 1:03 p.m. EDT
Full Moon: March 23, 8:01 a.m. EDT
Last Qtr: March 31, 11:17 a.m. EDT
Page 49: The plot of the solar disk during May 9th's transit of Mercury used out-of-date source material. The correct plot appears below.
Page 24: In the plot of our eyes' response to luminance, the value "0" along the X axis should be "1" (as shown below).
Page 46: Due to a production error, the same evening-sky illustration is shown twice and one showing the sky for June 9–11 was omitted. The correct illustrations appear below.
Page 30: The dark nebula in the image is LDN ID 141 in Hercules. Also, Altair's brightness is 1st (not 2nd) magnitude.
Page 32: The star labeled 12 Scuti in the finder chart is actually Eta (η) Scuti; the star to its immediate east (left) is 12 Aquilae.
Page 33: The second sentence of the second paragraph should read: "Using 27 Aql as your starting point, slide 34′ to the southwest, in search of B139. A small planetary nebula, NGC 6778, shines 5′ below this southeast-northwest dark smudge."
Page 62: The 99%-reflective mirror coatings mentioned in our Test Report of the Astro-Tech 14-inch Ritchey-Chrétien telescope are a manufacturer’s specification, not a value measured by Sky & Telescope.
Page 42: The time of full Moon should be 5:26 a.m. (not 5:26 p.m.) EDT.
Page 69: The text beginning on the third line should be: "Because atomic hydrogen [not Hα] also emits at blue wavelengths. . . ", since Hα refers to a particular spectral line of that atom that emits only in the deep red.
Page 7: Roger Sinnott's commentary regarding the September 1966 issue of Sky & Telescope contains a listing of elements that includes "phosphorous." The correct spelling is phosphorus.
Page 46: In the plot showing chords for the occultation of asteroid 115 Thyra, Steve Conard's name is misspelled; also Elizabeth Warner and Holly Sheets observed from College Park (not Columbia) in Maryland.
Page 73: Dan Dill's Canon EOS 5D Mark III camera, used to record the transit of Mercury, is a DSLR (not a CCD).
Page 48: In the list of times for the Moon's occultation of Aldebaran, those for Phoenix should be in Mountain Standard Time, that is, d: 10:13 a.m., r: 10:42 a.m.
Page 39: In the image of the Metronome asterism, the label should read HD 35175, not NGC 35175.