Newsletters

November 2025 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • Announcements
  • HAA Explorers 2.0 — Careers Among the Stars: Jobs in Astronomy!
  • The Sky this Month for November 2025
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Comet C/2025 A6 (Lemmon), by Bob Christmas.

September 2025 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • 2025-2026 Event Dates
  • 2026 HAA Calendar Image Submissions Are Now Open
  • Other Announcements
  • HAA Explorers 2.0 — The Moon’s Influence on Tides
  • The Sky this Month for September 2025
  • Report from Starfest 2025
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Eagle Nebula (M16), by Ken Leedham.

June 2025 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • 2026 HAA Calendar Image Submissions Are Now Open
  • Other Announcements
  • The Sky this Summer 2025
  • NASA Night Sky Notes
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: NGC 4631 and NGC 4656, by Marc Fitkin.

May 2025 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • The 2025 HAA Dark Sky Star Party
  • Announcements
  • The Sky this Month for May 2025
  • NASA Night Sky Notes
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Crab Nebula (M1), by Bob Christmas.

March 2025 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • Announcements
  • The Sky this Month for March 2025
  • NASA Night Sky Notes
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Galaxy M106, by Alex Kepic.

February 2025 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • Announcements
  • HAA Book Lending Library Policy
  • The Sky this Month for February 2025
  • NASA Night Sky Notes
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Orion’s Sword and the Orion Nebula, by Chris Szaban.

January 2025 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • Announcements
  • The Sky this Month for January 2025
  • NASA Night Sky Notes
  • 2023-24 HAA Financial Statement
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: The Veil Nebula (part of eastern portion), by Alex Kepic.

December 2024 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • Announcements
  • The Sky this Month for December 2024
  • NASA Night Sky Notes
  • Scenes from the November HAA Telescope Clinic
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Milky Way in Sagittarius, Serpens and Scutum, by Bob Christmas.

November 2024 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • Announcements
  • The Sky for November 2024
  • NASA Night Sky Notes
  • Eye Candy
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Comet C/2023 A3 (Tsuchinshan-ATLAS), by Chris Szaban

October 2024 Event Horizon Newsletter

The latest issue of the Hamilton Amateur Astronomers Event Horizon newsletter is now available for download!

In this issue you’ll find;

  • Announcements
  • The Sky for October 2024
  • Upcoming McCallion Planetarium Shows
  • Upcoming Events
  • Plus More

Download the latest issue or visit the newsletters section for past issues.

Photo credit: Wolf Rayet 134 and its nebula, in Cygnus, by Chris Szaban