Elite QandA


Is longitude supposed to be negative?


  1. Is longitude supposed to be negative?
  2. What is positive and negative longitude?
  3. How do you read a negative longitude?
  4. Is longitude east positive or negative?
  5. What direction is negative longitude?
  6. Does latitude go first?
  7. Why are some latitude and longitude numbers negative?
  8. How do I get to negative longitude in Celestron?
  9. Is negative latitude east or west?
  10. How was longitude discovered?
  11. How do you turn negative DMS into decimals?
  12. How do you enter longitude in Celestron?
  13. How do you set up a Celestron Telescope?
  14. Is latitude from north to south?
  15. Can decimal degrees be negative?
  16. Why are longitudes negative in North America?
  17. Which is negative longitude or latitude?
  18. Who created latitude?
  19. Who solved the longitude problem?
  20. Which Celestron telescope is best?
  21. Why can't I see through my Celestron telescope?
  22. Why can't I see anything through my telescope?

Is longitude supposed to be negative?

Each line of longitude runs north and south and measures the number of degrees east or west of the Prime Meridian. Values range from positive 180 to negative 180 degrees.

What is positive and negative longitude?

Positive longitudes are east of the Prime Meridian, negative longitudes are west of the Prime Meridian. Latitude and longitude are usually expressed in that sequence, latitude before longitude.

How do you read a negative longitude?

If the number is negative, it represents south of the Equator. The line of longitude is read as 2.17403 degrees east. The coordinate for the line of longitude represents east of the Prime Meridian because it is positive. If the number is negative, it represents west of the Prime Meridian.

Is longitude east positive or negative?

Latitude/longitude coordinates follow a regular Cartesian system starting from the Equator and the Prime Meridian. Positive coordinates are to the right (east) and up (north). This means that the Western Hemisphere has negative longitudes.

What direction is negative longitude?

The most common system for locating points on the earth is with "Longitudes" and "Latitudes". Both longitude and latitude are angles measured with the center of the earth as an origin. A longitude is an angle from the prime merdian, measured to the east (longitudes to the west are negative).

Does latitude go first?

Handy tip: when giving a co-ordinate, latitude (north or south) always precedes longitude (east or west). Latitude and longitude are divided in degrees (°), minutes (') and seconds (“). There are 60 minutes in a degree and 60 seconds in a minute (similar to measuring time).

Why are some latitude and longitude numbers negative?

Latitude/Longitude Formats Note that negative latitudes represent the southern hemisphere, and negative longitudes represent the western hemisphere. The fractional portion of decimal degrees are instead represented as the number of “minutes” between 0 and 60.

How do I get to negative longitude in Celestron?

Hi Mta472, Switch on your hand controller. Press the "Menu" button and scroll,(if necessary), using the 6 or 9 buttons until you have "Scope Set Up" on screen. Press "Enter" and you should see "Set Up Time Site". Press "Enter" again, and you should see "Enter Longitude" appear.

Is negative latitude east or west?

Latitude/Longitude Formats Note that negative latitudes represent the southern hemisphere, and negative longitudes represent the western hemisphere. The fractional portion of decimal degrees are instead represented as the number of “minutes” between 0 and 60.

How was longitude discovered?

In 1530, mathematician Gemma Frisius proposed a method of calculating longitude with a clock: It would be set upon departure and kept at absolute time, which could be compared with the time upon arrival. As for longitude at sea, the movements of a ship made the accurate timing of eclipses impossible.

How do you turn negative DMS into decimals?

1:262:56Learn to write an angle in decimal degree form - YouTubeYouTube

How do you enter longitude in Celestron?

1) Switch on your hand controller. 2) Press the "Menu" button and scroll,(if necessary), using the 6 or 9 buttons until you have "Scope Set Up" on screen. 3) Press "Enter" and you should see "Set Up Time Site". 4) Press "Enter" again, and you should see "Enter Longitude" appear.

How do you set up a Celestron Telescope?

0:486:48Setting Up Celestron NexStar SE Computerized Telescopes - YouTubeYouTube

Is latitude from north to south?

While lines of latitude run across a map east-west, the latitude indicates the north-south position of a point on earth. Lines of latitude start at 0 degrees at the equator and end at 90 degrees at the North and South Poles (for a total to 180 degrees of latitude).

Can decimal degrees be negative?

In Decimal Degrees format, the latitude and longitude coordinates are represented as positive or negative decimal values.

Why are longitudes negative in North America?

Latitude/Longitude Formats Note that negative latitudes represent the southern hemisphere, and negative longitudes represent the western hemisphere. The fractional portion of decimal degrees are instead represented as the number of “minutes” between 0 and 60.

Which is negative longitude or latitude?

Both longitude and latitude are angles measured with the center of the earth as an origin. A longitude is an angle from the prime merdian, measured to the east (longitudes to the west are negative). Latitudes measure an angle up from the equator (latitudes to the south are negative).

Who created latitude?

Eratosthenes in the 3rd century BCE first proposed a system of latitude and longitude for a map of the world.

Who solved the longitude problem?

John HarrisonJohn Harrison (3 April [O.S. 24 March] 1693 – 24 March 1776) was a self-educated English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.

Which Celestron telescope is best?

The 9 Best Celestron TelescopesCelestron StarBright XLT Telescope – Best Overall. Celestron NexStar 4 Telescope – Best Value. Celestron 21035 Travel Telescope – Budget Buy. Celestron NexStar 130SLT Telescope. Celestron 114LCM Computerized Telescope. Celestron AstroMaster 70AZ Refractor Telescope.

Why can't I see through my Celestron telescope?

If you can't see anything clearly through your telescope at night, try using the scope in daylight first. In a reflector, it is the small tube sticking out of the side nearly at the front end of the telescope. Insert your eyepiece in the tube and then tighten the setscrew(s) to hold it securely.

Why can't I see anything through my telescope?

If you are unable to find objects while using your telescope, you will need to make sure the finderscope is aligned with the telescope. Once the crosshairs are centered on the same object you are viewing through the telescope eyepiece, the alignment of the finderscope is done.



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