... 2011 October 13 . The Color of IC 1795 . ... Explanation: This sharp cosmic portrait features glowing gas and obscuring dust clouds in IC 1795, a star forming region in the northern constellation Cassiopeia . ... Not far on the sky from the famous Double Star Cluster in Perseus, IC 1795 is itself located next to IC 1805, the Heart Nebula , as part of a complex of star forming regions that lie at the edge of a large molecular cloud. ... About APOD | ... A service of: ASD at NASA / GSFC . ...

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• APOD: 2004 July 30 - Northern Lights
• APOD: 2015 December 24 - Star Colors and Pinyon Pine
• APOD: 2009 December 10 - The Colors of IC 1795

Northern Lights . ... In the foreground, lights along the northern horizon give an orange cast to the low clouds. ... In the background are familiar stars of the northern sky. In particular, that famous celestial kitchen utensil, the Big Dipper (left), and the W-shaped constellation Cassiopeia (right) are easy to spot. Then, just follow the pointer stars of the Big Dipper to Polaris , perhaps the most famous northern light of all. ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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• Northern Lights
• Астронет > Northern Lights
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... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

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... Home Astro-Imaging g3-efox8632-m82-e-600-c-35-x1-color-001-ut080815_ep1 . ... Lecture Series 2014-2015 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Clear Sky Chart . This Month's Sky . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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• g3-efox8632-m81-e-600-c-35-x1-color-001-ut074841_ep1 ? Amateur Astronomers
• g3-efox8632-m82-e-600-c-35-x1-color-001-ut080815_ep1a ? Amateur Astronomers
• Amateur Astronomers Association of New York ? Amateur Astronomers Association

Astronomers usually measure the flux of an object by collecting light with a telescope, sending it through a known filter, and then determining the power. ... But astronomers usually give their photometric results in terms of magnitudes. ... Astronomers define an absolute magnitude that is independent of the distance of a star and only depends on the intrinsic properties of the object: the absolute magnitude is the magnitude the star would have if it were 10 parsecs away from the Earth. ...

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• GTK's rc File Format
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• Color Selection

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. ... The Orion Nebula from VLT . ... But this image , a representative-color composite of 81 near- infrared light images taken with VLT's ISAAC , shows the Orion Nebula to be a busy neighborhood of young stars, hot gas, and dark dust. ... The eerie blue glow surrounding the bright stars pictured here is their own starlight reflected by nearby dust . ...

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• APOD: 2000 April 24 - Reflection Nebula M78
• APOD: June 25, 1996 - A Star Forming Region in the LMC
• APOD: April 9, 1999 - WR 104: Pinwheel Star

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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Next: BASIC PROPERTIES Up: R CORONAE BOREALIS STARS Previous: INTRODUCTION . RCB stars are named after a star just visible to the naked eye in the constellation of Corona Borealis. RCrB was discovered by Edward Pigott (1797), an English amateur astronomer, who had been observing a star in the `Northern Crown' for over a decade. ... Since 1795, other RCB stars have been discovered and their properties have been carefully observed. ...

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• Historical Background
• Armagh Observatory

This layer is defined with a <LAYER> tag. You see that the background color is applied to the rectangular region occupied by the layer. The height of the colored area is determined by the height value. This layer is defined in CSS syntax. The style definition sets the position and background color, but doesn't set any values for border characteristics. ... The style definition includes a value for border-width. ... The style definition includes a value for layer-background-color. ...

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• Colors and backgrounds
• Dynamic HTML in Communicator
• Long description of example illustrating background calculation

... HST . ... Data . ... HST Peer Review Process . ... HST Overview . Overview . ... Phase I Proposing . ... Retrieving HST Data . ... Data Analysis . ... NICMOS . ... As detailed in ISR-99-02 , the pipeline flatfield data for NICMOS is made with the use of onboard flatfield lamps which have an intrinsically blue color over most of the NICMOS sensitivity range. ... A common image processing technique for images that don't flat well is to use flats taken through filters of different (but nearby) color. ...

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• Guidelines for Preparing Viewgraphs and Computer based Presentations to be used
• Are reference Transfer Functions available at various colors?
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OptInt PmWiki : Pm Wiki / Wiki Style Examples . Wiki styles | ... PmWiki uses WikiStyles for styling text with color and other attributes. PmWiki 2.0 introduced the ability to control the styling further and to even place styles on blocks. ... In addition, an author can define a style "shortcut" by using the define= property. For example, to define a style of %red% , one can use: . define=mystyle color=red% Here is some %mystyle% red text created using a style shortcut. ...

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• OptInt PmWiki : Wiki Style Examples
• OptInt PmWiki : PmWiki / Custom Wiki Styles
• OptInt PmWiki : Custom Wiki Styles

... Users . ... AAS 225 . ... This particular part of the analysis has been disabled since the code is struggling to cope with the number of users seen this year, in particular the large contingent of people who have re-tweeted NASA. ... The links between the accounts identify those users who have mentioned another user in a tweet, using the @name syntax; the line widths increase based on the number of mentions but given that the graph is ever-so-slightly crowded this isn't that useful at this time. ...

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• A constellation of tweets from #AAS221
• A constellation of tweets from #AAS223
• X--ray Quiet PMS Candidates

... PmWiki . Summary: PmWiki group header. ... Summary: Styling text for colour and other attributes:) See also Wiki Styles Plus and Wiki style colors . ... PmWiki 2.0 introduced the ability to control the styling further and to even place styles on blocks. ... This text is %color=red% red, %color=blue% blue, %% and normal (black). ... For example, to define a style of %red% , one can use: . define=mystyle color=red% Here is some %mystyle% red text created using a style shortcut. ... Group . ...

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• VLBI Wiki | PmWiki / WikiStyleExamples
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• Plotfields, Images and Color Maps

... Bad Astronomy . ... Mad Science . ... Site Info . ... Public Talks . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Who is this guy who calls himself "The Bad Astronomer?" ... First, yes, I am a real live astronomer (when people ask me what astronomers do, I tell them "They astronom !" ... These are emitted by powerful objects like black holes, exploding stars, and super-dense neutrons stars. ... Finally, am I really a bad astronomer? ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions: What Color is Mars?

... As an experiment, I made some three-color images of Messier 42, more commonly known as the Great Nebula of Orion. ... green enhanced . ... halfsize or fullsize . ... Each image is a ``true color'' composite of three monochromatic images, in which the red, green, and blue intensities each correspond to the intensity of one of the original images. ... The HST image is assembled from different filters than mine: red is Nitrogen [II] at 6583 , green is H-alpha at 6563 , and blue is O [III] at 5007 . ...

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• HISA Poster for the 33rd Annual Meeting of CASCA, May, 2002
• Thesis Figures

home education > resources . SEARCH ASP SITE: Match ALL words Match ANY word . ... Resources . ... Astronomy Education Bibliography . ... Moon Resource Guide . ... Astronomy of Many Cultures Resource Guide . ... Space Science Education Resource Directory . ... http://www.astronomy.pomona.edu/archeo/intro.html Bryan Penprase and his collaborators have made this useful introductory site, which includes a world atlas of ancient astronomy, course outlines, a timeline and links to other resources. ...

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• Astronomical Society

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

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• Perseids 2011: All About the Meteor Shower | Astronotes
• Fireball of 21 September 2012: Image of the Month | Astronotes
• A Spectacular View of the Lagoon Nebula | Astronotes

... Class . ... PREV CLASS NEXT CLASS . FRAMES NO FRAMES All Classes . ... FIELD | ... METHOD . DETAIL: FIELD | ... public interface IJEventListener . ... Field Summary . static int . ... Field Detail static final int FOREGROUND_COLOR_CHANGED . ... Constant Field Values . static final int BACKGROUND_COLOR_CHANGED . ... static final int COLOR_PICKER_CLOSED . ... static final int LOG_WINDOW_CLOSED . ... static final int TOOL_CHANGED . ... Method Detail void eventOccurred (int eventID) . ...

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• Colors (ImageJ API)
• ij (ImageJ API)

... Moon . ... What can astronomers tell us about the different colors on the surface of Jupiter's moon Europa? ... We can use the colors of Europa s surface to tell us about the chemical compounds that make up the surface and subsurface of the jovian moon. Even before the first spacecraft made a close visit to Europa, astronomers on Earth used telescopes to study the moon and were able to use a technique called spectroscopy to determine that Europa s surface is composed mostly of water ice. ...

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• Web Extra: Capturing a colorful sky | Astronomy.com
• Hubble team unveils most colorful view of the universe | Astronomy.com
• Capturing a ghostly green bubble | Astronomy.com

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Star Clusters . ... FLAMES . ... 100 Hours of Astronomy . ... IMAX€о 3D Film Hidden Universe . ... This image, the first to be released publicly from VISTA, the worldтАЩs largest survey telescope, shows the spectacular star-forming region known as the Flame Nebula, or NGC 2024, in the constellation of Orion (the Hunter) and its surroundings. ...

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• ESO - telbib information