.965″ Mirror Telescope Eyepiece Star Diagonal Used!
Thursday, January 21st, 2010 at
7:42 pm
Here are some items you might buy on Ebay auctions:
10 INCH PARABOLIC TELESCOPE MIRROR MAKING KIT
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US $33.00 (5 Bids) End Date: Monday Jan-25-2010 19:39:29 PST Bid now | Add to watch list |
.965" mirror telescope eyepiece star diagonal USED!
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US $4.95 (0 Bid) End Date: Monday Jan-25-2010 20:54:10 PST Buy It Now for only: US $5.95 Bid now | Buy it now | Add to watch list |
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US $125.02
I'm 20… My friends were telling me that if I go 20 light years away from Earth, I could watch my birth via giant telescope.
These are the actual photos from that time.
Mars was 20.19 arc seconds around that time and is 6792 km wide.
6792/20.19=336.4 km/arc second. 1/10 of that is 33.64 km
You don't need any telescope to see another galaxy. Andromeda is visible with the naked eye and it is rather large (roughly the size of the full moon). It is also very faint, so it can best be observed in completely clear, moonless skies WITHOUT any artificial light source around. City lights and any glare from a porch light etc. will completely kill the experience. Get yourself a sky chart and start hunting for the "nebulas" of the early astronomical catalogs! It is a fun game to learn all the things that are visible in the sky without any technology.
If you want to buy a beginner's telescope, I would suggest to look at at least 4" size in the $500 and above range (the sky is the limit…). Any less than that and you will be disappointed.
I don't have a telescope myself because there is no dark spot anywhere within 40 miles of where I live and I don't like to drive that far at night. If you are in a similar pickle, save your money on an instrument… it will collect dust in the closet, not light from the stars. Join a hobby astronomy club and go out with them. You will meet people with really large instruments and probably be able to peek through a telescope that costs as much as a car, an investment you might not be able to afford for a while.
I also like to take images of the sky with my digital camera whenever I am in places with dark sky conditions. I have gotten fuzzy but pretty typical images of Andromeda and a few comets with 30 second exposures on a simple tripod. It's a bit of a "working with a handicap" kind of sport but I love doing it over and over and over again and I keep getting ever more interesting results.
And if you get a ghostly palm tree into the shot, as well, you have a wonderful nighttime shot that looks like as if it was done by a professional.
Good Luck and HAVE FUN!
Good job ! Looks better than many saturn shots with more expensive imagers.
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たまおさんの男の子度は96.5%です。
They say 10" aperture is needed to see anything I will have my 10" ready-also a friend will man my 6" as a personal experiment.
Wally
Moda: 1° selezione di Miss Fiumicino – Top Star e Baby Festival
There are several different kinds of telescopes and all of them have some excellent features. Refractors and Reflectors, plus Schmidt-Cassegrain, APO refractors, Mac-Cass, and many more. There are also several mounts to chose from and the mounts are just as important, if not even more important, than the scope is. All of the different scopes and mounts have some features that some people like and do not like. No two eyeballs are the same and the perfect scope for one person might be completely wrong for another person.
There is no one scope that is "better" than another —except for the junk scopes out there which are all just a waste of money. Never, ever buy from Walmart, Costco, Target, or any other discount store like that. Junk scopes are flooded into the market from those stores. You will be buying nothing but bad optics and plastic.
If you are new at this, then stay away from anything used from any site. If you don't know what you are buying and who you are buying from you will most likely be getting someone else's headache—with no warranty either. Buyer beware you know. Some great deals on used equipment, by people who know how to use and take care of scopes, are out there but if you don't know what you are doing, you might be spending a lot of money on junk.
______________________________________…
I recommend:
Orion is the very best for value and for customer service too. I have 2 of their scopes and I will only buy from them from now on. My first scope was a manual controlled scope and I am very glad that it was because it forced me to learn where things are in the night skies. Go-To type scopes can be frustrating to use. If you do not have them aligned exactly perfect, they do not find the targets. If you are a beginner, you will be frustrated unless you spring for a GPS Go-To. An object locator is just that—it will locate objects for you (must be aligned first) but an object locator is not a tracking motor. It will not keep the scope on the target.
The Orion site has some excellent diagrams and explanations of all types of scopes and mounts.
Things to consider are size–can the user lift and transport the scope to the viewing site easily? Does it fit in your car? If not, then it will gather dust in a closet. I recommend a carrying case too so it is protected in storage and transport. Can the viewer reach all the knobs and buttons? I have a long tube large manual refractor and it is very difficult for me to reach the knobs when I am pointed to Zenith. I am not a tall person.
Take your time in making your decision.
+++ I would like to suggest that you join a local astronomy club or astronomical society BEFORE you spend your money on a scope. There are many different kinds of scopes and what is perfect for one person is not perfect for another. Everyone has their own set of eyeballs and no two are the same. If you join a club, you can attend a few of their star parties and try out members scopes to see what works best for YOU, before you buy a scope. The members can also help you when you get your scope and show you how to get the most out of your new scope as well as to help teach you where the treasures in the sky are located. Most clubs have loaner scopes and extensive libraries that you can gather more information from too. Most clubs will have monthly membership meetings with informative presentations given by members and by guest speakers. You can really learn a lot from these clubs and an added plus is all the great new friends you make there too.
Some people will suggest that you purchase binoculars. Not a bad idea but don't buy anything less than 10×50 and you must have a tripod too or you will not be happy with your astronomical views because they will be too shaky from your movements. Personally, I prefer a scope to binos because if binoculars are not aligned properly at the factory, then you get double images and distortions that cant be fixed. Most of the cheaper binoculars are not properly aligned. That is not as important for terrestial viewing but it is a killer for astronomical viewing. Binos can also be bumped out of alignment and become useless for astronomy.
When you buy go Orion and you wont be disappointed. Don't try to learn everything all at once or you will be overwhelmed and discouraged. Patience is the key to Astronomy.
You will need a good star chart program too.
This is great freeware that you can download. Tell it where you are and it will tell you what you see. Ask it where something is and it will show you.
I wish you all the best! Enjoy!
I don’t have this issue, interesting. The product you linked looks good.
im going to dance infront of the mirror
…..everyone does this…dont front.
hayır olsun bery
Any private courier service will do the job, DHL, FedEx, UPS, etc. Just go to their websites to check prices.
use a standard 8 pin cat5 patch cable
The length of a cube's diagonal is always s√3, where s is the length of one of the cube's edges. Here's why:
Notice that the diagonal of a face is s√2. This face diagonal makes a right angle with with of the cube's edges. And the cube's diagonal makes a right triangle with these two lines, as the hypotenuse. So from Pythagoras, the diagonal is
√( (s√2)^2 + s^2) = √(3s^2) = s√3
en çokda ben katılırım bu söze…
South Korea sends 2nd batch of swine flu aid to North Korea
Philippine Star
SEOUL (AP) – South Korean trucks have crossed the border into North Korea to deliver a second batch of swine flu aid. Unification Ministry spokeswoman Lee …
looks very close to my dehumidifier without blue LEDs lol
Stick one eye to eyepiece, close other eye.
It's just a symbol.
I see that alot too. I think it's supposed to give it a similar appearance to the Jeeps that were used in world war 2, because I usually see this design on jeeps with "cammy" paint jobs or the standard "olive drab" green.
The DEWALT D24000 heavy-duty 1.5-horsepower 10-inch wet tile saw offers a huge cutting range with 24-inch rip and 18-inch diagonal capacity.
yeah there have been astronomers since pretty much the beginning of civilization
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I don't know about projecting it from the telescope onto a screen – but you can project the sun onto a piece of paper by punching a small hole in another piece of paper and holding it above the screen.
Yes, you always need a solar filter if you want to point your telescope at the sun. You can do major damage to the optics even if you're not looking in yourself. Get a solar filter that fits over the tube, not one that fits on the eyepiece – the smallest scratch in those can let through enough light to give you permanent vision damage.