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May 15, 2023
The Canadian company StarField Optics has expanded its Géar line with a new refractor offering the unique aperture of 115mm.
Feb 23, 2023
A big focus among people starting out in astronomy is the ability to photograph the night sky.
Feb 23, 2023
EAA involves capturing and stacking (or averaging) images from a camera to create a pleasing ‘snapshot’ in just a few seconds or minutes.
Feb 24, 2023
Features
JWST explores atmosphere of ‘hot Saturn’ exoplanet
WASP-39 b has sulfur dioxide; sodium, potassium, water vapour, and carbon monoxide were also detected in the atmosphere.
Nov 29, 2022
This Week’s Sky: January 9-15
Keep an eye out for a collection of about 100 young, massive hot B- and A-class stars around bright star Mirfak on January 10.
Jan 05, 2023
Andrew Saydjari discusses new Milky Way survey
SkyNews Editor Carina Ockedahl interviews Andrew Saydjari about a massive survey of the galactic plane of the Milky Way released earlier this year.
Feb 16, 2023
The Latest
Take a binocular tour through the spring sky
Alan Dyer concluded his quartet of seasonal tours of “Top 10 Targets” for binoculars with a wander through the spring sky.
Feb 28, 2023
Why the Milky Way survey matters
Observing the galactic plane is the best way for astronomers to understand the Milky Way.
Feb 24, 2023
Astrophoto review: Paul Dopson’s Pacman Nebula
In this column, we are going to look at the challenges that Paul Dopson had to overcome to produce his image of NGC 281: the Pacman Nebula.
Feb 20, 2023
All eyes on Quebec’s 45 year-old observatory
The Observatoire du Mont-Mégantic (OMM), which houses a Ritchey-Chrétien telescope, was opened in 1978.
Feb 17, 2023
This Week’s Sky: February 20-28
On Saturday, February 25, libration will shift Mare Crisium farther from the Moon’s edge. On the same evening, look closely for two dark patches positioned between Mare Crisium and the Moon’s edge.
Feb 16, 2023
2023 Star party calendar
Events across Canada offer astronomy enthusiasts a chance to enjoy stargazing at its best.
Feb 16, 2023
Explore the current issue
- 01. Top 10 sky events of 2023
- 02. Artemis missions an opportunity for Canada
- 03. In search of hidden treasures
- 04. Venus emerges in the evening sky
- 05. Winter bino tour
Observing
The oncoming of a solar eclipse
Two eclipses are coming up for people in North America to view: an annular solar eclipse in 2023 and a total solar eclipse in 2024.
Feb 07, 2023
‘Stone Age’ comet begins closest approach to Earth
Comet C/2022 E3 (ZTF)’s trajectory shows that it last flew by Earth roughly 50,000 years ago.
Jan 24, 2023
Top 10 sky events of 2023
Three major meteor showers, including the Perseids, arrive with the Moon mostly out of the way this year.
Dec 23, 2022
More satellites, more problems
The number of active satellites in orbit (as of November 4, 2022 at 16:05:27 UTC) is 6,843 — 3,273 of which are Starlink units, up from 1,655 on September 1, 2021.
Dec 19, 2022
About the Royal Astronomical Society of Canada
The Royal Astronomical Society of Canada (RASC) began as the Toronto Astronomical Club on December 1, 1868. The eight men who gathered to share their interests were not professional astronomers, just working-class citizens with a passion for astronomy.