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An age-defying star called IRAS 19312+1950 stands out as extremely bright inside a large, chemically rich cloud of material, as shown in this image from NASA's Spitzer Space Telescope. (NASA/JPL-Caltech)
SkyNews Closure

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The longer focal length of the Géar115 is useful for imaging smaller targets like the galaxy Messier 33 in Triangulum. This was with the 1x Adjustable Field Flattener at f/7 with a Canon R5 camera. (Alan Dyer) | SkyNews
The longer focal length of the Géar115 is useful for imaging smaller targets like the galaxy Messier 33 in Triangulum. This was with the 1x Adjustable Field Flattener at f/7 with a Canon R5 camera. (Alan Dyer)
Testing the StarField Géar115

The Canadian company StarField Optics has expanded its Géar line with a new refractor offering the unique aperture of 115mm.

This 360 degree panorama takes in the entire spring sky, with south at the bottom, and west to the right. The Milky Way appears low across the Northern Horizon at the top, coinciding with the arc of an aurora this night in April 2022. (Alan Dyer) | SkyNews
This 360 degree panorama takes in the entire spring sky, with south at the bottom, and west to the right. The Milky Way appears low across the Northern Horizon at the top, coinciding with the arc of an aurora this night in April 2022. (Alan Dyer)
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.

The imaged involved four hours of total exposure time on a nebulous region in the constellation Cygnus. (Render Yoder/Unsplash) | SkyNews
The imaged involved four hours of total exposure time on a nebulous region in the constellation Cygnus. (Render Yoder/Unsplash)
Astrophotography for beginners

A big focus among people starting out in astronomy is the ability to photograph the night sky.

Features

Jupiter on September 12, 2020 (NASA/Damian Peach, Amateur Astronomer) | SkyNews
Strange periods found in 40-year study of Jupiter

The study found that Jupiter’s temperatures rise and fall following definite periods that are outside the planet’s normal seasonal cycle.

The image captures the long ion tail of Comet C/2022 E3 ZTF in the night sky as it flies past the Coronae Borealis constellation. The data was acquired remotely via Telescope Live at the IC Astronomy Observatory site in Spain. (Soumyadeep Mukherjee). | SkyNews
‘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.

Bill Batchelor’s supernova remnant and SH2-216. | SkyNews
Supernova remnant and SH2-216, by Bill Batchelor

Bill Batchelor won Photo of the Week for the period of Jan. 7-13, 2023.

The Latest

A simple EAA set-up includes a small 66mm f/6 refractor, a colour ASI385MC camera, and a focal reducer and UV-IR blocking filter threaded onto the camera nosepiece (not shown). (Brian Ventrudo) | SkyNews
Getting started with Electronically-Assisted Astronomy

EAA involves capturing and stacking (or averaging) images from a camera to create a pleasing ‘snapshot’ in just a few seconds or minutes.

(DECaPS2/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA/E. Slawik Image processing: M. Zamani & D. de Martin (NSF’s NOIRLab)) | SkyNews
Why the Milky Way survey matters

Observing the galactic plane is the best way for astronomers to understand the Milky Way.

Paul Dopson's Pacman Nebula - in review. (Paul Dobson) | SkyNews
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.

Observatoire du Mont-Mégantic. (Emir Chouchane/Université de Montréal) | SkyNews
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.

Lunar libration reveals elusive oceans on Feb. 25, 2023 at 7 p.m. (Chris Vaughan) | SkyNews
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.

Andrew Saydjari, Ph.D. Graduate Student, Center for Astrophysics, Harvard & Smithsonian | SkyNews
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.

Explore the current issue

vol 29 January/February 2023 issue of SkyNews
January/February 2023 | SkyNews
  • 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

Total solar eclipse of August 2017 as seen in Oregon. (NASA and Aubrey Gemignani) | SkyNews
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.

Event-01_Jan23
Top 10 sky events of 2023

Three major meteor showers, including the Perseids, arrive with the Moon mostly out of the way this year.

Satellite trails, May 19, 2021. | SkyNews
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.

A time-lapse photograph taken by astronomer Robert Weryk near his home in London, Ontario. (Robert Weryk, NASA). | SkyNews
All eyes on Ontario’s bright fireball

Astronomers and NASA had their eye on 2022 WJ1, a small asteroid on a collision course with Earth.

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.