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Almanac pages

Almanac home page
Sun rise and set
Solar flux / K index
Night sky views
Magnetic variation
True winds
Passage analysis




The Almanac On-Line is a set of pages containing Java applets that predict a selection of Astronomic, statistical and geophysical data. Select a page of interest from the menu tabs at the head of this page.

You'll need a browser that supports Java to display these applets. They work best on medium and low resolution displays where the larger ones fit easily into the screen area without scroll bars. Loading applets may take a few moments so please be patient if you have a slow connection.

Screen Area
Almanac On-Line performs best with screen areas of 800 X 600 or larger. With smaller areas some images will be larger than the screen and you'll need to use scroll bars to access all parts.

Browser Warning
These applets have been tested under Internet Explorer 4, 5 & 6 but, sadly, not all browsers interpret Java in quite the same way. If you are using another browser and suspect the results, please first make sure that your browser has the most recent Java Virtual Machine. If you are still unable to resolve the difficulties, send us an email with the details

 

 

For fully featured comprehensive Nautical Almanac software to run off-line on your own computer, check out the Offshore Almanac. Written to run under windows 95/98/NT and 2000, the Offshore Almanac presents more robust and detailed routines than can be demonstrated on-line.

 

 

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Initial Data
Before Almanac On-Line can make meaningful predictions some of its functions needs basic information about the date, time and where you are located. Please make sure the following entries are correct before using the menu options:

Universal Co-ordinated Time (UTC):

Enter the difference between UTC and your local time:

Hour: Minute: Add
Subtract

Your  Position:

Latitude:  

(hint: Click here for clues.)

Degrees: Minutes: North
South
Longitude:
Degrees: Minutes: West
East

The details you enter here are used by some of the applets linked from this page. If you allow cookies, they are also stored on your computer and become defaults the next time you use these pages.


Feedback with suggestions for improvements or comments on how well or otherwise these pages work on your computer would be most welcome.


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