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Amateur Astronomical Spectroscopy | amateurspectroscopy.com Reviews
https://amateurspectroscopy.com
Dark matter articles and theories
amateurspectroscopy.com
Amateur spectroscopy project ideas
http://www.amateurspectroscopy.com/amateurspectroscopyideas.htm
Amateur astronomical spectroscopy project ideas. Here are some project astronomical spectroscopy ideas:. Try to follow the steps and discoveries made by astronomers of the 19th century by reading our astronomical spectroscopy history notes. Measure the spectra of the sun and main star types O,B,A,F,G,K,M. Measure the spectra of galaxies, planets, asteroids, comets and then quasars. Can you detect the redshifted lines of Hydrogen? A challenge: see how many lines you can find in an M star. State of the art.
Spectral lines
http://www.amateurspectroscopy.com/spectral-lines.htm
A spectral line is a dark or bright line present in a uniform and continuous electromagnetic spectrum. The spectral lines result from the interaction between a quantum system (generally atoms, but sometimes also molecules or atomic nuclei) and electromagnetic radiation. If the energy of the system decreases by a quantity DeltaE, an electromagnetic quantum of radiation, called photon, will be emitted at the frequency u given by the Planck-Einstein relation:. DeltaE = hu where H is the Planck's constant.
Helium lines
http://www.amateurspectroscopy.com/Helium-discovery.htm
In 1868, the British astronomer and physicist Sir Norman Lockyer (founder of Nature) along with the French scientist Pierre Janssen discovered the gas Helium. observed bright yellow lines in the solar spectrum. As they never have been observed before on earth, he called the related chemical element Helium (as sun in greek in helios). It is only 25 years later (in the 1890s) that Helium was detected on earth. Helium in Solar Prominences. State of the art.
Amateur Spectroscopy References
http://www.amateurspectroscopy.com/References.htm
Practical Amateur Spectroscopy, By Stephen F. Tonkin (Ed.), Springer - Practical Astronomy Series, 2002. Astronomical Spectroscopy by A.D. Thackeray, The Macmillan Company, New York 1961. Stars and their spectra: An Introduction to the Spectral Sequence, By James B. Kaler, Cambridge University Press, 1989. Hearnshaw,J.B.: 1986, The Analysis of Starlight. One hundred and fifty years of astronomical spectroscopy, Cambridge Univ. Press. ISBN 0 521 25548 1. Bohr,N.: 1913, Phil.Mag., 26 (Ser 6), 1. Cosmic Rai...
Star classification
http://www.amateurspectroscopy.com/star-class.htm
Adding a digit from 0, 9. to the letters made it possible to define sub categories (thus the sun is classified G5 spectral type with its temperature being 5770 K). Class O: the spectrum presents ionized helium lines. Temperature of surface: 35.000 K. Example: Ori delta. O stars are blue stars. Class A: stronger Balmer lines, line K of ionized calcium. Temperature of surface: 8.000 K. Examples: Sirius, Véga. White or bluish color. Class R and N: not so trong line, same temperature as M stars. Their sp...
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from
http://www.raycash.us/sfsidewalk/cdobplans.htm
How to Build a Dobsonian Telescope. The San Francisco Sidewalk Astronomers. Introduction and Photo of Completed 'Scope. Not-too-tech advice; Materials List; Tool List; Sources List. Overview Drawing of Six-inch 'Scope with Plywood Cut Pattern. Overview Drawing of Eight-inch 'Scope with Plywood Cut Pattern. Overview Drawing of Ten-Inch 'Scope with Plywood Cut Pattern. Section A: Preparing the Tube, Making Spider; Eyepiece Tube. Section B; Tailgate (Mirror Cell) Construction. To my other WebPages:.
ATM z Bazy Wiedzy – Celestia
http://www.celestia.pl/ATM_z_Bazy_Wiedzy
ATM z Bazy Wiedzy. Linki do trochę archiwalnych (ostatni dodany temat z 07 marca 2009), ale na pewno ciekawych i wartościowych tematów na astropolis.pl poświęconych teleskopowemu majsterkowaniu. Folia Baadera i inne filtry słoneczne. Puchacz - dziennik budowy teleskopu. Budowa mojego własnego newtona;). Budowa teleskopu Netwona ;). Ośmiocalowa Ćma czyli przepoczwarzona Synta, ATMowa mutacja. Jak przerobić rurę kanalizacyjną na coś fajniejszego? Czyli pierwsza sesja zdjęciowa Japikulusa 150/1450. Przegrod...
Calendopaedia - What's New
http://www.calendopedia.com/whatsnew.htm
Calendopaedia - What's New. 19th August 2010 AD. Corrections made to the description of Persian Calendar. 17th January 2009 AD. Added page on the John Dee Calendar. 19th August 2008 AD. Added page on the Nepalese Calendar. 12th March 2007 AD. Minor changes to Ethiopian Calendar. 23rd April 2005 AD. Minor changes to Kepler's Laws'. 13th August 2004 AD. Added new page on the Ethiopian Calendar. Added text to Modern Calendars. 6th May 2004 AD. Corrected typos on Miscellaneous Calendars. 16th January 2004 AD.
Ray Cash's CCDs
http://www.raycash.us/scopeandimaging/1stccds.htm
All images on this page taken with the above Celestron 8 SCT fork setup and SBIG's 237 Pixcel CCD camera at f/1.95. Except Jupiter and Saturn: These images were taken at f/10. These are my very first images taken with this setup on 10/2-3/99. No guiding! No color imaging was attempted. Well, it. Attempted, but I didn't RTFM (Read The Frigging Manual)! Hope my imaging techniques will improve; but I plan on keeping these first images right here-. All images below are. Click on them for a larger view! 10 mi...
13-inch "Travel Scope" Plans
http://www.raycash.us/telescopeplans/travelscope.htm
Plans and Construction Tips for Building. A 13 Airline-Transportable Travel Scope. My lovely wife next to the 13 scope in Hawaii, 1998. The scope breaks down and fits into its. Own sturdy, airline-transportable case. I made this telescope around a 13 Coulter f/4.4 mirror in 1991 after seeing an article emphasizing such an approach by Tom Clark in. 131; 17.5; Equatorial Platform. Turn the page to:. The Table of Contents. To my other WebPages:. How to Make a Dobsonian Telescope. WebPages by, and for, ATM's.
Ray Cash astroimages
http://www.raycash.us/astroimages/astroimgs.htm
I am a relative newbie. When it comes to astro-imaging: I picked up Fastar. Imaging equipment around October of 1999; and only more recently (April 2001) have I been doing any prime-focus astro-film imaging. For the latter I use a 4 refractor (an Astro-Physics Traveler f/5.8), and a medium format camera (Pentax 6 X 7) loaded with mainly. Kodak E200 transparency film. Recently, I've traded in my ST-237 for a ST7E. And traded my C-8 for a C-9.25. Whether it is the C-8, ( Fastar. Some Furniture I've Made.
After about five years of having this page up
http://www.raycash.us/perso/sidewalk.htm
The San Francisco Sidewalk Astronomers. After about five years of having this page up, I have abrogated my association with the San Francisco Sidewalk Astronomers- mainly because I don't. Go out to the sidewalk anymore with my telescope(s). . . However, in this. World, I still encourage others to do so: it's a great way to 'share the universe' (and your enthusiasm! Especially if your temperament is at all outgoing. . . SF Sidewalk Astronomer information, go to: Morris Jones'. Make Your Own Telescope.
Some Furniture I
http://www.raycash.us/astroimages/furn.htm
Some Furniture I've Made. 1985) Materials: Solid Honduras Mahogany, Tulipe (Peru), Ebony. His' and 'Her's' Bureaus. 1985) Materials: Solid Red Oak; through dovetail construction throughout. 1980) Solids and plywood; about 30 coats of Tung oil applied. 1983) Bleached Mahogany solids and plywood, piano finished. Multiple coats of black lacquer) Maple 'speed lines,' Plexiglas top. 1983) Gloss black laminate, piano finished Maple, Glass Bricks. 1980) Solid White Oak and Plexiglas rods. 10 f/8.3 Telescope.
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Amateur Astronomical Spectroscopy
For years amateur astronomers have built spectroscopes to record the spectra of stars and other astronomical object. The advances in CCD and Cmos imaging makes it possible to easily record the spectra of astronomical objects. By using a commercial spectroscope and a spectrometry software, anyone can enjoy following the path and discoveries of the great 19th century astronomers. State of the art. Last update 26th july 2007.
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