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It is one of the best editing free software programs you can get and is used by professionals as well as amateurs. If you’re a budding video editor or director this is a great free video editing program for you to download. Check out the best video editing Software: 10 Best Free Video Editing Software Programs for 2019. Audio Tool: Spotify.

Astronomy is a natural science that’s all about the earth and the universe. While it’s a broad research field driven by professional scientists around the world, it’s also a personal hobby of many who are interested in the study of celestial objects such as stars, moons, planets, nebulae and galaxies. Beside of using your naked eyes, binocular or telescope to obverse these fascinating sky objects, you can also make use of some astronomy software to help you access the mystery of space.

Today we’ve compiled a list of astronomy software and online applications that help your work and hobby become more effective and interesting. These softwares are suitable to both professional and amateur astronomers and the best part is that they are all free to use!

Aladin Sky Atlas
This sky atlas software enables users to view astronomical images, superimpose entries from astronomical database, and gain access to most of the astronomical servers worldwide such as VizieR service, Simbad database, Hubble images, etc.

C2A (Computer Aided Astronomy)
C2A is an easy-to-use planetarium software that allows you to create detailed views of stellar fields, suitable to both professional and amateur astronomers. The software provides most of the star catalogues including SAO, GCVS, Guide Star, USNO, etc. Also, the deep sky object catalogues such as Messier, NGC, PGC and IC.

Stellarium.org
Stellarium shows you a realistic sky in 3D, just like what you see with your own naked eyes or through telescope. The planetarium software has catalogues with millions of stars, illustrations of constellations, nebulae images, as well as planets and their satellites. Other features include fisheye projection, time control, equatorial and azimuthal grids, eclipse simulation, star twinkling, and many more.

Sky-Map.org or WikiSky.org
These sites are basically interactive sky maps that contain myriads of stars and celestial objects. Users can zoom out for the whole star sky viewing or zoom in for details. In addition, users can edit the star information by including links, writing articles, uploading relevant photos, and other editing tasks.

WWT
WWT (WorldWide Telescope) allows users to explore the space, combining both images from ground and space-based telescopes with 3D navigation. WWT comes with 2 versions: Windows Client and Web Client. Both enable you to pan the sky and to zoom in on celestial objects, including stars, nebulae, and planets.

Cartes du Ciel’s SkyChart
This is planetarium software that contains a number of catalogs ranging from stars, planets and nebulae to comets and asteroids. You can make use of their data to draw your own sky chart for particular observation. There are many options and features given in helping you to create a complete sky map such as changing space objects’ color and dimension, adding coordinate grids and labels, superimposing celestial images, and many more.

Celestia
A free space simulation that lets you travel throughout the solar system, and explore over 100,000 stars, or even beyond the galaxy. The software has a number of catalogs of stars, galaxies, planets, moons, asteroids, etc. You can easily navigate and zoom in to the objects you like.

Orbiter
Orbiter is a free and realistic space flight simulation software that allows users to experience space flight missions from the pilot’s perspective. In addition, you can also recreate historic flights, plan interplanetary slingshots, design your own rockets and many more.

Home Planet
Home Planet’s Earth map displays day and night regions, moon location and phase, as well as earth satellite’s locations. The software also has sky map, based on SAO catalogue or Yale Bright Star catalogue which contain millions of stars, planets, asteroids, comets, Messier objects and NGC objects.

Winstars
Winstars enables users to view realistic 3D maps showing the celestial objects in our solar system. The software contains a database of over 2 millions stars and a catalogue of 10 thousands nebulae, star clusters and galaxies, with details information about each object. You can also view the outline of the planetary orbits, celestial equator, ecliptic, etc.

WinOrbit: Satellite Tracking
WinOrbit is a free software that computes and displays the position of artificial earth satellites, together with information like bearing, distance, and elevation above the observer’s horizon. The information can be updated in real-time, manual, or simulation modes.

Bend It for Windows is a free program that is used to calculate and layout the bend marks on a straight piece of tubing when fabricating roll bars and roll cages for race cars. To the best of my knowledge, this was the first program developed and written for this purpose. I first wrote this program in 1997 after I purchased a Mittler Brothers tubing bender to build a roll cage for my own race car. After starting this project, I quickly discovered that trying to calculate all of the lengths and angles was difficult with a notebook, a pencil and a calculator in the garage, so I decided to create a program to help with this problem. This program is easy to operate and takes very little disk space to install and to run. Bend It can be used with Windows 95 and later computers.

Bend It Online is a new web based application for most internet connected smartphones, tablets and computers.

If you have any questions or suggestions, please send these by .

Bend It Online

Bend It Online is a new web application for most internet connected smartphones, tablets and computers. An option for metric dimensions was also added in this version.

You can access Bend It Online by clicking here BendItOnline.com

Bend It for Windows

Bend It for Windows is written to work with Windows 95 and later computers. This program can be downloaded below is a self-extracting installation program that creates and copies the necessary files to your PC. This process also creates a new shortcut on the main Windows screen and a new program choice in the Start menu. The only extra requirement for this program is that the standard Windows file named Notepad.exe must be in your default Windows directory if you wish to print or save the projects that you calculate.

To upgrade this program to the latest version, simply download the latest version below and install this over your older version. Please make sure that your existing Bend It program is not running when you start the installation of the newer version.

If you are not sure what version of Bend It you are currently running, just click on the Help tab at the top of the main Bend It program screen.

Notes for those using Windows Vista or Windows 7
This is a very simple program and it was written before Windows Vista and Windows 7 were released, so do not be surprised if you get an alert during the installation that warns you about the publisher not being known or similar. This program does not contain a virus or spyware and it does not send any information back to me since it is free for anyone to use.
It is also possible that the latest anti-virus programs may warn you during the download process or the installation process for the same reasons listed above.

If you have Windows Vista or Windows 7 and you cannot print or save your project information to a text file, please read the following:
The Bend It program may need to be run as an administrator in order to work correctly with Windows Vista or Windows 7
All shortcuts in Windows Vista and Windows 7 have a special option that will allow programs to run as an Administrator
There is one shortcut icon for BendIt on the desktop and one in Start ... All Programs ... Bend It ...
To set this, right-click on each Bend It shortcut icon and then click the Advanced button on the Shortcut screen
At the Advanced Properties screen, check the 'Run as administrator' box
After this is set, Bend It will always run as an administrator if you use these shortcut icons to start the program
You will likely be prompted by the UAC security screen each time you start the program if you have the UAC enabled

Download Bend It - Version WIN 01242010 - For Windows 95 and newer PC's (602k)
Revision History
Version WIN 01242010 - Cosmetic changes and updated installer for Vista & Windows 7 (See notes above)
Version WIN 01232004 - Critical Update - Improved the stretch factor for large radius bends
Version WIN 11062003 - Fixed the input order when using the Tab key between entries
Version WIN 04152003 - Fixed the 3 bend layout which would not allow an entry in Length 1
Version WIN 06032002 - The bend radius now accepts 2 digits after the decimal point
Version WIN 01152001 - Added the last leg calculation for the final cutoff mark
Sample Program Screen
Helpful Tips

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The most important step is to measure your layout at the centerline of the tube. You will need to enter your desired finished dimensions and angles as shown above. These dimensions must be measured between the end of the tube and the centerline intersection points of the bends. If you are trying to fit a custom rollbar into a car, it might be helpful to make a full sized cardboard template that fits the vehicle. You can then measure the centerline intersection points exactly from the template and enter these values into the program. After the necessary dimensions have been entered, the program will then calculate the start marks for each bend which can be transferred onto a straight piece of tubing.

Bend It will only work with a tubing bender that has a rotating die set. This program will not work correctly with a pipe bender that starts the bend in the middle of the radius.

More Questions or Layout Problems ?

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Visit the Bend It Frequently Asked Questions Page

Disclaimer

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Bend It is a free program that was written to help other racers and it should not be sold for profit. Since this is a free program, there is no warranty for any use of this program and I assume no responsibility for any loss or damage that may result from any use of this program. It is always a good idea to verify your calculations on a piece of test material before you start bending the final project.