Monday, August 19, 2019
USMMA Cadet using a sextant for celestial navigation
Maritime News

Carr: LORAN Overboard

By CW4 Michael Carr – I had heard enough. This constant debate on the need for electronics. Someone would say, “Well, celestial is great, but you really need electronics, I mean...

August 19, 2019
Total Views: 25

Wednesday, October 25, 2017
earliest known astrolabe
News

500-Year-Old Astrolabe May be ‘Earliest Marine Navigation Tool’ Ever Discovered

Researchers at the University of Warwick have identified what is believed to be the earliest known marine navigation tool ever discovered.  The artifact, now determined to be an astrolabe, was...

October 25, 2017
Total Views: 24

Saturday, September 10, 2016
Blog

Merchant Marine Cadets Help Navy Knock The Rust Off Sextants

By Commander Justin Harts, USN (USS Benfold) According to the definitive book on marine navigation familiar to most naval officers – “The American Practical Navigator” – navigation began the first...

September 10, 2016
Total Views: 66

Wednesday, May 11, 2016
sextant-sight-aboard-ship
Blog

In Double ECDIS Failure what good is a Sextant?

  By Jaquelyn Burton (Coeval, Inc.) ECDIS is becoming ubiquitous – and that is a good thing. However, as we move towards more and more vessels relying wholly on ECDIS...

May 11, 2016
Total Views: 362

Thursday, July 29, 2010
Interesting

Moon Setting on Calm Water

The above photo was taken using a technique we published in a story titled “Shipboard Digital Camera Tricks“. Many more great moon pictures by the photographer, Licya, can be found...

July 29, 2010
Total Views: 172

Tuesday, March 3, 2009
Blog

World’s Sexiest Sextant? You Decide

MaritimeLinks.net (a must see site) brings us what is reportedly “The Worlds Sexiest Sextant” or less smashingly called the Cassens & Plath Horizon Ultra. Why? Here’s their answer: WIRED magazine...

March 3, 2009
Total Views: 43

Sunday, December 14, 2008
Uncategorized

Star Identification – Celestial Navigation 101

One of the keys to becoming good at celestial navigation is knowing what you’re looking for. That is why learning the constellations is important. Todays gCaptain tip is a simple...

December 14, 2008
Total Views: 54

Thursday, September 6, 2007
Uncategorized

How To Use A Sextant 101

See full size animated GIF on on using a sextant – Wiki Commons (Link Thanks to Never Sea Land)

September 6, 2007
Total Views: 15