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January
January

... You should be challenging me with “Then why do all the navigation maps show a flat earth with dragons to devour ships at the Four Corners?” The simple fact is that it was impossible to sail more than a few days’ distance from a shoreline. Mostly because the open ocean, with 40 or 80 foot waves would ...
central chapter - NSPE
central chapter - NSPE

... The JWST is a much anticipated, long awaited “next generation” telescope hopefully capable to look further back in time, deep within dusty star forming regions, using longer wavelengths that is more sensitive then any previous space telescope. The technologies are being developed for ground-breaking ...
Instruction Manual Meade Instruments Corporation
Instruction Manual Meade Instruments Corporation

... 1. Remove and identify the telescope’s components, using the listing above. 2. Attach the 3 aluminum tripod legs (2) to the base of the equatorial mount (4) with the 3 hinged leg braces (3) facing inward. Three bolts (32) each about 3" long, with washers and wing nuts, are provided for this purpose ...
pptx format
pptx format

... path, and you could set up your telescope many miles from the actual path and see nothing. The science of measuring star positions is called astrometry. Due to “twinkling” of stars, the best way to do astrometry is to put your telescope in space. The Europeans have a currently operating space telesc ...
Spokane Public Library The Spokane Astronomical
Spokane Public Library The Spokane Astronomical

... subjects to appear like the photographs you see in books and magazines; many will look like dim gray smudges. As you become more experienced and your observing skills get sharper, you will be able to ferret out more and more subtle details and structure. Deep-Sky Objects, also referred to as “dim-f ...
file - Observatory Sciences
file - Observatory Sciences

... observations. It also made an excellent backdrop for key scenes in the latest blockbuster James Bond movie, Quantum of Solace. Increasing the drama, 007 actor Daniel Craig was on-site filming the same day the 4.1m mirror for the UK-financed telescope was delivered from Moscow. VISTA will complement ...
Where to Put the Telescope
Where to Put the Telescope

... Post-9.2: The NASA Infrared Telescope Facility and the United Kingdom Infrared Telescope operate on the top of Mauna Kea, Hawai’i. If the atmosphere absorbs infrared radiation, how is it that these telescopes can observe at these wavelengths? ...
N15_Geom_Optics - University of Arizona
N15_Geom_Optics - University of Arizona

... Dispersion, the variation of the index of refraction with frequency in transparent materials, causes problems with the focal properties of lenses. As we saw, in prisms, blue light bends more than red light. So the same effect must happen in lenses—where one assumes that ray paths are independent of ...
Pisgah Astronomical Research Institute
Pisgah Astronomical Research Institute

... Science Research, and Education Center (PARSEC). The goals of PARSEC are to:   Strengthen the existing bond with the UNC system;   Foster new opportunities for research and education within the system;   Ensure the future availability of PARI’s resources regionally, nationally, and for the Uni ...
23.1 Telescopes - Ms. Billings Website
23.1 Telescopes - Ms. Billings Website

... People have been making and using lenses for magnification for thousands of years. However, the first true telescopes were made in Europe in the late 16th century. These telescopes used a combination of two lenses to make distant objects appear both nearer and larger. The term telescope was coined b ...
InfraRed Multi-slit Spectrometer (IRMS)
InfraRed Multi-slit Spectrometer (IRMS)

X-ray Astronomy
X-ray Astronomy

... Future Japanese X-ray Mission – ASTRO-E2 • Astro-E lost at launch, Feb. 2000 ...
Document
Document

An Overview of Wide-Field-Of-View
An Overview of Wide-Field-Of-View

... and the optics were early camera lenses. Some of the better known optics were made by Voigtlander and Petzval [2]. As the technical characteristics of photography improved, larger versions of camera lenses were custom built for use as dedicated sky survey instruments. Six and ten inch Voigtlander le ...
Microscopes:
Microscopes:

McDonald-etal-OE-2015-3D-mapping-of-intensity
McDonald-etal-OE-2015-3D-mapping-of-intensity

... tional reflection confocal microscopy the illuminating laser is focused onto the imaging plane at a point that is confocal with a pinhole in the imaging axis of the microscope. While this allows accurate probing of the surface it precludes imaging the focal plane of our concave mirrors directly. In ...
Telescope notes
Telescope notes

... 5.2 Telescope Size Resolving power: When better, can distinguish objects that are closer together Resolution is proportional to wavelength and inversely proportional to telescope size—bigger is better! © 2011 Pearson Education, Inc. ...
Lab 2
Lab 2

... Description of the Spencer Spectrometer: Its essential parts - see Figure 3 - are a telescope T, a collimator C rigidly attached to the base, a table B and a platform P which carries two fiducial marks and associated verniers V, 180 degrees apart. The telescope and the table can be independently rot ...
Microscopy - Petal School District
Microscopy - Petal School District

... Around 1590 Zaccharias and Hans Janssen experimented with lenses in a tube, leading to the forerunner of the microscope and the telescope In the late 1600’s, Anton van Leeuwenhoek was the first to see bacteria, yeast, and many other microbes using a microscope ...
Microscopy
Microscopy

... Around 1590 Zaccharias and Hans Janssen experimented with lenses in a tube, leading to the forerunner of the microscope and the telescope In the late 1600’s, Anton van Leeuwenhoek was the first to see bacteria, yeast, and many other microbes using a microscope ...
The Danish 1.5 m Telescope in Operation!
The Danish 1.5 m Telescope in Operation!

Exploring the cosmos
Exploring the cosmos

... universe. It comes in many forms, most of them invisible to the human eye. But with the right instruments, astronomers can illuminate some of the darkest mysteries of the cosmos. ...
Meade ETX-90 Student Guide
Meade ETX-90 Student Guide

... center, press the help button (“?”) and the name of the star will appear. o If the telescope is pointing to a star behind a building, you can press the down arrow at the bottom and the telescope will cycle to the next available star. Using the arrows on the Autostar controller, center the guide star ...
EYE LITE - Premier Electronics
EYE LITE - Premier Electronics

... 700mm focal length acquried with a close up lens of x 2.5 Rugged, compact, and low weight Highly stabilized construction Continuous Zoom telescopes provides solutions for a large number of applications Easier upgrades: Both EYE-LITE™ BZ and EYE-LITE™ FZ are FFF. The system integrator can use either, ...
A determination of the pointing history during FOS scans of... Science Observatory Branch Report SOB-93-12-06 December 1993 Colin Cox and Matt Lallo
A determination of the pointing history during FOS scans of... Science Observatory Branch Report SOB-93-12-06 December 1993 Colin Cox and Matt Lallo

... the parallax corresponding to the exact position of HST and the correction which allows for the time light takes to travel from Mars to Earth. We requested that the velocity aberration not be accounted for in the MOSS data because we apply that in our own calculation. The other inputs are the FGS st ...
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Optical telescope



An optical telescope is a telescope that gathers and focuses light, mainly from the visible part of the electromagnetic spectrum, to create a magnified image for direct view, or to make a photograph, or to collect data through electronic image sensors.There are three primary types of optical telescope: refractors, which use lenses (dioptrics) reflectors, which use mirrors (catoptrics) catadioptric telescopes, which combine lenses and mirrorsA telescope's light gathering power and ability to resolve small detail is directly related to the diameter (or aperture) of its objective (the primary lens or mirror that collects and focuses the light). The larger the objective, the more light the telescope collects and the finer detail it resolves.People use telescopes and binoculars for activities such as observational astronomy, ornithology, pilotage and reconnaissance, and watching sports or performance arts.
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