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SkyProdigy Series Manual
SkyProdigy Series Manual

... itself with the night sky and determine where the telescope is currently pointing.The camera automatically captures an image of the sky, which is processed internally to positively identify the stars in the image. Once a positive match is found, SkyProdigy determines the coordinates of the center of ...
Examination of Object Trajectories in the STS-48
Examination of Object Trajectories in the STS-48

Spying into the lives of the stars
Spying into the lives of the stars

Astronomical events in 2017 - Guernsey Astronomy Society
Astronomical events in 2017 - Guernsey Astronomy Society

docx - STAO
docx - STAO

... When you gaze up in the night sky some stars will be very bright while other stars are barely visible to the unaided eye. With the aid of binoculars you may be able to observe different colours in the stars. The brightness and colour of a star depends on three factors: temperature, distance, and siz ...
Teacher Demo: Bright Star or Close Star?
Teacher Demo: Bright Star or Close Star?

What`s Brewing in the Teapot - Indiana University Astronomy
What`s Brewing in the Teapot - Indiana University Astronomy

... • Singularity – The place at the center of a black hole where, in principle, gravity crushes all matter to an infinitely tiny and dense point. • Event Horizon – The boundary that marks the “point of no return” between a black hole and the outside universe. Events that occur within the event horizon ...
Estimating the mass and star formation rate in galaxies
Estimating the mass and star formation rate in galaxies

... There are several advantages in studying the universe in the infrared.   The  most  important  one  is  the  fact  that  we  are  less  affected  by  extinction.  As  light  pass  though space, dust absorbs a fraction of this. The exact amount depends primarily on the  total quantity of dust between ...
Universal redshift, the Hubble constant The cosmic background
Universal redshift, the Hubble constant The cosmic background

... destiny of some of the photons was to be measured by us One can see it easier – since λM ∼ 1/T , TD/TC = LC /LD CMB is the picture of the Universe when it was 2000 (^3) times smaller. ...
OK, here is my thinking on the subject:
OK, here is my thinking on the subject:

虚拟天文台引领天文学网络化协同工作 - Chinese Virtual Observatory
虚拟天文台引领天文学网络化协同工作 - Chinese Virtual Observatory

here
here

The Sky This Month Apr May 2015
The Sky This Month Apr May 2015

ppt
ppt

Ben R. Oppenheimer1,2 and Sasha Hinkley1,2
Ben R. Oppenheimer1,2 and Sasha Hinkley1,2

... “high contrast” for the purposes of this article. More precisely, we define “high-contrast observation” as any observation in which the object being studied is detected with another object in the field of view, that is at least 105 times brighter, and which is in such close angular proximity to the ...
Astronomy Glossary Key
Astronomy Glossary Key

food for thought - Boulder Ensemble Theatre Company
food for thought - Boulder Ensemble Theatre Company

PDF of story and photos
PDF of story and photos

... nucleus, which measures 1,400 feet wide, is thousands of times more massive than the observed amount of ejected dust. Astronomers will continue observing the unusual object. Asteroids that fall apart by spinning too fast may be common in the asteroid belt. As ...
Basics of Astrophysics
Basics of Astrophysics

A report of the SEEDS Direct Imaging Survey
A report of the SEEDS Direct Imaging Survey

June 2016 - Flint River Astronomy Club
June 2016 - Flint River Astronomy Club

... between your pupils, you can figure out how far away your thumb is. And while that measurement is unimportant, the same principle can be applied on a larger scale to distant stars and galaxies as seen from both sides of Earth’s orbit. Arc-seconds. An arc-second is a measure of distance, not time. On ...
an evening`s viewing with your new `scope
an evening`s viewing with your new `scope

... perhaps the moon is not visible. Unfortunately there are no planets visible at the moment; we must wait until the summer for Jupiter. Other targets worth looking at are the well-known major astronomical objects. Try the Pleaides in Taurus and the Orion Nebula if you can catch them before they set. A ...
handoutkey
handoutkey

The (Stellar) Parallax View
The (Stellar) Parallax View

Issue 118 - Apr 2014
Issue 118 - Apr 2014

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Astrophotography



Astrophotography is a specialized type of photography for recording images of astronomical objects and large areas of the night sky. The first photograph of an astronomical object (the Moon) was taken in 1840, but it was not until the late 19th century that advances in technology allowed for detailed stellar photography. Besides being able to record the details of extended objects such as the Moon, Sun, and planets, astrophotography has the ability to image objects invisible to the human eye such as dim stars, nebulae, and galaxies. This is done by long time exposure since both film and digital cameras can accumulate and sum light photons over these long periods of time. Photography revolutionized the field of professional astronomical research, with long time exposures recording hundreds of thousands of new stars and nebulae that were invisible to the human eye, leading to specialized and ever larger optical telescopes that were essentially big cameras designed to collect light to be recorded on film. Direct astrophotography had an early role in sky surveys and star classification but over time it has given way to more sophisticated equipment and techniques designed for specific fields of scientific research, with film (and later astronomical CCD cameras) becoming just one of many forms of sensor.Astrophotography is a large sub-discipline in amateur astronomy where it is usually used to record aesthetically pleasing images, rather than for scientific research, with a whole range of equipment and techniques dedicated to the activity.
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