M26 - Mysterious Ring - Deep Sky Videos @DeepSkyVideos

Uploaded October 2015 | Updated September 2026, 2 weeks ago

It's the Messier 26, an open cluster, also known as NGC 6694.
Discussed by Professor Mike Merrifield at the University of Nottingham.
More Messier Objects: bit.ly/MessierObjects
Telescopes: bit.ly/telescopetours

James Cuffey paper: bit.ly/Cuffey6694

Deep Sky Videos website: deepskyvideos.com
Twitter: twitter.com/DeepSkyVideos
Facebook: facebook.com/DeepSkyVideos
More about the astronomers in our videos: deepskyvideos.com/pages/contributors.html

Made possible by:
The University of Nottingham
and The University of Sheffield.

Video by Brady Haran

M101 - Supernova and Pinwheel Galaxy - Deep Sky Videos

Re-coating a VERY LARGE telescope mirror

M43 - The overlooked sidekick - Deep Sky Videos

NGC 2 - Measuring the Distance to Galaxies - Deep Sky Videos

M92 - Rare Earths in a Globular Cluster - Deep Sky Videos

M96 - Coffee Break Galaxy - Deep Sky Videos

A Galaxy with NO STARS - Deep Sky Videos

$Why are stars spiky? - Deep Sky Videos Why do photos of stars often have spiky, pointy bits of them? These are called diffraction spikes and some people even add them artificially! Here are explained by Professor Mike Merrifield (University of Nottingham) and Nik Szmanek (astrophotographer). Mike tweets at https://twitter.com/ProfMike_M Some image credits: Philip Perkins: www.astrocruise.com/ Nik Szymanek: http://ccdland.net Fred Espenak: http://astropixels.com Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/#!/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos Flickr: http://www.flickr.com/photos/68847473@N02/ More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html Videos by Brady Haran A run-down of Bradys channels: http://periodicvideos.blogspot.co.uk/2012/06/here-are-my-channels.html$