Astronomy Now – Page 13

Choosing and using a CMOS camera

15 April 2022 Astronomy Now

The CMOS astro-camera revolution is here, and astrophotographer Martin Bradley is on hand to explain what makes these cameras stand out.

Webb optics alignment achieves near perfect focus

21 March 2022 Astronomy Now

In another milestone, the 18 segments of the James Webb Space Telescope’s primary mirror have been aligned with near-flawless precision.

Reviewed: Tele Vue Apollo 11mm Commemorative eyepiece

8 March 2022 Astronomy Now

As a huge fan of Tele Vue’s eyepieces, Richard Deighton couldn’t wait to get his hands on their new commemorative Apollo 11mm eyepiece, but despite its exclusive nature, does he find it stacks up as well as Tele Vue’s other wide-angle eyepieces?

Hubble’s Advanced Camera for Surveys marks 20th year in space

7 March 2022 Astronomy Now

The Advanced Camera for Surveys aboard the Hubble Space Telescope has provided many of the observatory’s most spectacular – and scientifically valuable – images. NASA and ESA present samples of its work in a 20th anniversary collection.

Webb primary mirror alignment proceeding smoothly

7 March 2022 Astronomy Now

Engineers continue making good progress aligning the 18 segments making up the James Webb Space Telescope’s primary mirror.

NASA opening a 50-year-old vacuum-sealed moon sample

6 March 2022 Astronomy Now

NASA is in the process of carefully opening a vacuum-sealed rock-and-soil sample collected during the Apollo 17 mission 50 years ago.

Remote imaging with Telescope Live

1 March 2022 Astronomy Now

Fed up with cloudy nights spoiling your astro-imaging fun? Nik Szymanek gives the lowdown on the Telescope Live remote-observing facilities that allow imagers to capture objects in the southern celestial hemisphere without even stepping outdoors.

Raspberry Pi high quality camera

25 February 2022 Astronomy Now

Geoffrey Lenox-Smith tests whether the Raspberry Pi’s new High Quality camera can be used for astrophotography.

Webb mirror segments repositioned as alignment proceeds

24 February 2022 Astronomy Now

Engineers are making steady progress aligning the 18 segments making up the Webb space telescope’s 6.5-metre primary mirror.

A galactic train wreck triggers spasms of star birth

23 February 2022 Astronomy Now

Two galaxies passing through one another in a head-on collision generate a burst of star formation in an intriguing triangular shape caused by ongoing gravitational interactions.