Sunday, February 26, 2017

Supernova 1987A 30th Anniversary

by Pat Browne February 24 2017 marks a special 30th anniversary in Canadian Astronomy: The discovery of Supernova 1987A The story behind the discovery: So much...

Star Hopping – Bright Winter Stars

by Pat Browne People often ask if stars and clusters are more easy to observe in the Winter in the Northern Hemisphere because of the...

December Earliest Sunsets at Northern Latitudes

by Pat Browne Have you noticed that the Sun sets the earliest around the second week of December? Here are the calculations for our latitude North:...

Night Sky – Galaxies

Night Sky around us ... and beyond our Galaxy Galaxies beyond the Milky Way Clusters of Galaxies in collections forming their own systems beyond...

The NightSky of Spring

Spring Observing: West (late Winter) to South East(Spring) To see the stars in the Spring Constellations, the Earth's orbit is in a locations such that night...

Night Sky Observing – How Far South do we See?

In the Spring time, when we stand outside and observe the constellations,  we can observe galaxies beyond our own because we are looking up...

Observing Planets – Viewing Geometries

When we observe Venus an inner planet, we see a phase. Question: Why don't we see a phase when we observe the outer planets? Let's look...

Locating Stars in the Night Sky

Locating Objects in Night Sky Constellations How do we refer to celestial objects in the sky? We know they are projected unto our Celestial Sphere. ...

Lunar ‘Road Map’ – How to Observe the Moon

MVNSC - Mississippi Valley Night Sky Conservation How-To  Observe the Moon around First Quarter - courtesy Michael Watson, member RASC Equipment you will need: Moon chart - Overview...

Spring 2015 Night Sky Astronomy Course Preview

Mississippi Valley Conservation Authority Royal Astronomical Society of Canada Ottawa Astronomy Friends Instructor: Pat Browne Assistant: Bob Hillier Fridays: March 27, April 10, April 17, May 1 and May...