Ronchi Test On A Little Telescope Mirror .
Thursday, January 14th, 2010 at
12:59 pm
I tested this 4.5" f/5 mirror with a ronchi screen .
The almost straight lines seems to suggest that the mirror is not parabolic as it should be .
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US $2.95
Gary shares one of his favorite wine regions, Barbaresco, a serious Italian wine to check out! Having trouble viewing this video? Try the Quicktime version. Wines tasted in this episode: 2005 Ronchi BarbarescoBarbaresco 2004 Cigliuti Barbaresco Vigna ErteBarbaresco 2004 Roagna Barbaresco Monte FicoBarbaresco var SPRING_OPTIONS = { [...]
Jimminy — It is done and cannot be undone. 0_0
Benissimoo il mio famigliaaa!
Noexcusesdrmmer, you are EXACTLY stating my point, thats exactly the way I feel…
That assumes I know how to work a telescope…other than put my eye to the lens.
It's just a little crush…..
Telescope with a difference: Tasmania has joined the biggest GPS network in the southern hemisphere with the launc…
ma che aereoportino??? qui mica è a Cuneo…
It may take months to confirm a diagnosis and rule out other causes. Tests are done to look for MS and to rule out other possible causes. Some diagnostic tests used are:
–Blood work – look for Vit B12 deficiency and Lyme disease markers
–MRI scans with intravenous gadolinium – identify and date lesions (plaques) in the brain. Newer lesions show up brighter.
–Evoked potentials – hearing, vision, and motor impulses are tested to see if they move normally or too slow.
–Spinal tap (lumbar puncture) – cerebro-spinal fluid is tested to identify cells that suggest MS. Can also be used to differentiate from Lyme disease.
For a definite diagnosis of multiple sclerosis, at least two separate symptomatic events or changes on MRI and a physical indicator (i.e. change in the central nervous system) must occur.
I want to go to another Dawes show, like now. I wonder if the lead singer practices making those faces in the mirror.
RT RT 100 Awesome images from Hubble Space Telescope
It is a standard method of testing for heteroskedacity.
However some recent research has shown that it is only consistent if there is a linear relationship between the error variances and the regressors.
Perhaps play a little game called just the tip. Just for a second. Just to see how it feels.
The only telescope that has been able to image the disc of a star is the Hubble.
No amateur telescope you can buy has enough resolving power to allow you to see the disc of even the nearest star (..the sun being the exception of course..)
this nigger is not funny
ok thanks
The name for this is…Cube World Digital Stick People… you can see a picture or buy from here or any other website they also have videos there and pictures…Good luck
io dopo fazio spengo.
Celestron NexStar SLT Series Computerized Telescope – 130mm Aperture
by Celestron
(1)
Date first available at Amazon.com: February 22, 2010
(Ranking is updated hourly. Visit the Hot New Releases in Binoculars, Telescopes & Optics list for authoritative information on this product’s current rank.)
great
FF is alive and dead at the same time, like Elvis.
(Oh, and I don’t just import my Twitter feed, but my blogs as well, among other things.)
Q:What's the best place near you to get a pizza?… A:little caesars or pizza hut.
Once available only for the enjoyment of the sighted, the Hubble Space Telescope’s dramatic glimpse of the Carina Nebula, a gigantic cloud of gas that bustles with star-making activity, can now be “seen” by blind students, as well. A touchable, 17-by-11-inch color image of the nebula that’s been embossed with lines, slashes, and other markings [...]
Erdős–Bacon and the death of a planet. …… …… …… From the Amazing Science files: Palaeontologists claim they have stumbled across what may be the missing link between Hulk Hogan and the rest of mankind, and also announce the finding of roadrunner dinosaur bones next to a pile of acme bird seed. Researchers speculate horny toads might be predicting earthquakes when they do the wild thing. Residents of a coastal town flee in terror as a giant dust mite emerges from the deep. The benefits of What? Me Worry? therapy are finally made known. By attaching the new HAWK-I camera to a telescope, the latest study of Paris Hilton’s brain found a whopping 90% more dark empty space than previously detected. Putting aside those things which science is unable to explain, legions of men with 50s-style eyeglass frames and white lab coats tackle the problem of explaining Heaven. …… …… …… Ask not for whom the Erdős–Bacon number sizzle for it sizzles for you. Now go to your happy…