20 Most Recent National Geographic NG70CA (225 x 70mm) Telescope Questions & Answers

Try to locate a local Astronomy club and attend their star parties. Also download the free monthly star chart at:

www.skymaps.com Objects in the sky are tiny. Your scope must be pointed directly at them or you will not see them in the eyepiece. Make sure the finder scope is aligned with the main tube perfectly. Then use the finder scope to align the telescope.

This may also help you:
http://www.cloudynights.com/item.php?item_id=810

The general rule is 50 times aperture. Your scope is about 2.5 inches-- so 50 times 2.5 or about 125 power--- MAXIMUM and only when the sky is very stable and transparent.

No, that telescope is not worth very much and you should not spend any money upgrading it. A good tripod would cost over $100. You really cannot buy a use-able telescope for much less than $200.

Here is the one I recommend to beginners, watch this video:
http://www.youtube.com/watch?v=FEs_MMcJ7JA

Put the eyepiece with the largest number written on it into the telescope. DO NOT USE the 2x barlow if you have one.

Practice focusing on a distant object during the daytime-- objects in the night sky are smaller than the tip of your finger held at arms length. The scope must be pointed directly at them or you will see nothing.

Your first target should be the moon.

No manuals are available for that small telescope. The manual would only have assembly instructions it would not tell you how to find objects in the night sky.

Locate an Astronomy club and the members will help you learn the night sky.

This is NOT a computer controlled scope--
http://www99.shopping.com/xPO-National-Geographic-National-Geographic-70mm-Compact-AZ-Refractor-w-table-top-tripod-

You probably have some kind of CD disk that has a planetarium program on it.

Here is a review of the telescope.
http://www99.epinions.com/reviews/pr-National_Geographic_NG70CA_Telescope

These come in 3 sizes-- .975, 1.25, an 2 inch sizes.

Measure the hole-- and buy the correct size. Here are two retailers-

http://shop.telescope-warehouse.com/

http://www.agenaastro.com/

origin of the world map is called a cartograph which is a break up of the greek words Chartis(map) and graphein (write) Now a world map is a collection of maps known as an Atlas.

You can see Saturn it will be small however.

You can see Saturn WITHOUT a telescope -- it looks like a star in the sky. Download the free planetarium software Stellarium and it will show you what is up in the sky for any time or date. All of the planets follow the ecliptic across the sky-- the same path that the sun makes across the sky.

Saturn is in the Southeast after dark right now.

You can also download a free monthly star chart at www.skymaps.com

You don't need a program. You will only be able to take very short exposures of the moon and maybe several of the brighter planets.

You need this device which allows you to mount any digital camera directly to the eyepiece.

http://www.telescope.com/control/astrophotography/astrophotography-accessories/orion-steadypix-deluxe-camera-mount

Now read my astrophotography TIP on my profile page.

This is a small 70mm refractor style telescope.

Put the eyepiece with the largest number written on it into the telescope. DO NOT USE the 2x barlow if you have one. This will double the power of the eyepiece. Your scope is too small to use the 2x barlow.

Now go outside during the day time and practice focusing on a distant object.

This may also help you:
http://www.texasastro.org/telescope.php

then try this site:
http://www.justmanuals.com/
or return it and get a new one with a manual

You won't find a manual for that small telescope --- however Meade probably has one similar to yours-- go here and download a manual for free-

http://www.meade.com/manuals/index.html

Yes all astronomical telescopes are upside down! No up or down in space!

You can buy an erecting diagonal for about $45 from Orion Telescopes to use for terrestrial viewing.

I would recomend that you start with a low power then gradually work your way up. The best advice used to be and still is... "that for every inch of aperture of the objective should equal 50x." With advances in telescope technology this is still is a good rule of thumb.

The formula is focal length of the scope (in millimetres) divide by your chosen eyepiece (again, in millimetres. Based on my TeleVue Ranger (70mm objective) and a 6mm eyepice this is what I get. (see below).

telescope focal length: 480mm / eyepiece: 6mm = 80x magnification.

This is comforfable for observing of the Moon, Venus, Jupiter, Saturn and Mars (brilliant when it made its close approach in 2003). Mercury I have omitted is because it is always close to the Sun and I do not have it on a mounting which has setting circles.

However, if I add my 2.8x Klee barlow lens then it pushes it up to 224x. But word of advice here. To use that kind of magnification the end result is awesome, but you need a perfect sky (i.e. no thermal disturbances and debris up there).

Your small telescope will never get beyond about 100 power --- the maximum resolution is calculated as 50 times aperture under perfect conditions!

Use the eyepieces with the LARGEST numbers only and don't use the barlow.

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