Tag: greatest elongation

• The Greatest Eastern Elongation of Mercury: Visible to the West!

  Today we are looking at something that is happening on the date that this article is published, for the second time this week. Normally, I tend to look further into the future on this channel, but there happen to be events coinciding with the dates of posting at the moment. The last piece was about…

  Caoimhín de Bhailís

  February 19, 2026

  Astronomy, Astronomy Video

  2026, Astronomy, eastern elongation, February, greatest elongation, mercury, moon, parade, parade of planets, planets, science, solar-system, space, stargazing, sunset, video

• Mercury’s August Morning Elongation and Brightness

  Today, we are going to be taking a look at the planet Mercury. Some of this will cover general features of the smallest planet in the solar system, but we are going to be looking at Mercury in particular because of its greatest elongation coming up on the 19th of August. From midday on the…

  Caoimhín de Bhailís

  August 12, 2025

  Astronomy, Astronomy Video

  Astronomy, august 2025, brightness, greatest elongation, magnitude, mercury, planets, stargazing, sunrise, venus, western elongation

• The Light of the Moon, Venus and their Shadows

  Today I am going to hop through a couple of topics thanks to an idea inspired by a comment on the previous video on my YouTube channel. It is a bit of a journey, but we are going to begin by taking a look at the night sky for just a couple of nights ago,…

  Caoimhín de Bhailís

  January 9, 2025

  Astronomy, Astronomy Video

  Astronomy, Full Moon, greatest elongation, mercury, moon, opposition, planets, science, space, stars, venus, video