By Rod Mollise
Amateur astronomy is changing into increasingly more renowned, often end result of the availability of quite inexpensive astronomical telescopes of amazing caliber - commercially-made Schmidt-Cassegrain and Maksutovs. Rod Mollise's ebook includes every thing beginner astronomers want to know approximately those telescopes. that includes (but now not completely) the ever-present Meade and Celestron levels, he describes what those tools will do, tips on how to use them, and that are the easiest to decide on. This publication contains every little thing! There are sections on add-ons, staring at recommendations, and tricks and information gleaned from his 25 years event with this sort of telescope: cleansing, collimating, retaining the telescope and mounting; utilizing the telescope in a number of stipulations; laptop keep watch over; imaging (wet, electronic and CCD). this can be the suitable publication for beginner astronomers who're approximately to take a position in a brand new Schmidt-Cassegrain or Maksutov telescope, or when you have already got one and wish to get the simplest out of it.
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Extra resources for Choosing and Using a Schmidt-Cassegrain Telescope: A Guide to Commercial SCTs and Maksutovs
Example text
Who's a good candidate for goto ownership? People who are fascinated by and comfortable with computers and technological gadgets make up a large segment of the target audience. Observers who are conducting special programs like supernovae searches or who are involved in scientific data gathering like variable star Which CAT? 4 monitoring are also likely to benefit from these CATs' amazing capabilities. If you need to check 30 galaxies for supernovae every evening, star hopping to your destinations using your finder scope and star charts isn't fun - it's a time-waster.
With a properly adjusted finder telescope, whatever appears in the finder should also be in the "big eye," making object location easy. Move around to the front of the telescope again, look down through the corrector plate, and take a peek at the primary mirror. Like the secondary mirror, the primary should remain in pristine condition due to the sealed nature of the SCT tube and should rarely require any kind of user intervention. Theoretically, an aluminum-coated first surface mirror like a CAT 2 Choosing and Using a Schmidt-Cassegrain Telescope primary might possibly need recoating in about 15 years (many Newtonians need to be resurfaced in less than 10 years because they're exposed to the elements).
I was a bit surprised when I finally had a chance to examine an LX-lO in detail. I expected to find a lot of plastic used in its construction given the very low price of these telescopes (the LX-10 costs about what I paid for my first SCT - in 1976). But this was not the case. The entire scope is well built and is very comparable in terms of quality to the other instruments in Meade's line. 2. The Meade LX· I 0 8 inch (photo courtesy 01 Meode Instruments Corporotionl. close examination, I also have no doubt that the OTA is, as Meade claims, the same one with the same quality of optics used on their higher-priced telescopes.