Author Archives: Sean Walker

About Sean Walker

Sean Walker, S&T's Equipment Editor, joined the staff of Sky Publishing in 2000 and specializes in astrophotography, solar system observing, and astronomy gear.

Improving Your Eclipse Photos

If you want the best results from your eclipse photos, you'll need to do some processing. Equipment Editor Sean Walker walks us through processing photos from the 2010 Easter Island eclipse.

The Spotless Sun

The Sun has been unusually quiet lately. Since the start of 2017, only a single tiny sunspot has made a brief appearance on the solar disk.

Dennis di Cicco at the scope

Former S&T Editor Wins Award

The North East Region of the Astronomical League (NERAL) announces the presentation of the prestigious 2015 NERAL Walter Scott Houston award to former Sky & Telescope editor Dennis di Cicco.

Hawai’i Nights

See Hawai'i by starlight through the lens of premier astrophotographer Rogelio Bernal Andreo. His first book, Hawai‘i Nights, documents his island adventure.

Thousand Year Canon of Eclipses: 1501 to 2500

Thousand Year Canon of Solar Eclipses: 1501 to 2500 is a comprehensive catalog of essential characteristics of each of the 2,389 solar eclipses occurring throughout this 10-century period, and Thousand Year Canon of Lunar Eclipses: 1501 to 2500 documents 2,424 lunar eclipses in the same time frame.