![]() You may have to click the fourth button from the left at the bottom-left of the screen to orient your image such that it is right-side up. Until you can see the details in your image. Move the arrow in the center of the graph left or right Click the button labeled Pixel at the bottom-right of the screen as shown, to bring up the pixel mapping window: You may have to adjust your image so that you can see it because it might be too dark or bright to see the details. This locks the view in place to prevent it from moving as you investigate your image. Position your image in the window such that you can see all of it, right-click anywhere in the image, and click Locked View. In this example, Aladin is showing an image that I took No spaces in the filename, and then just drag the image from your File Explorer Once you have your plate solved image, make sure there are To use this feature, you have to plate solve your image ( I discuss plate solving in the tutorial here). Using Aladin, you’re able to investigate millions of possible objects in your own images. This feature used to be reserved for expensive planetarium software which was limited by the catalogs available to it. This can be useful for identifying things in your image or figuring out if you think you might have found something new. You can investigate what’s on your own images by superimposing them in Aladin, and then have Simbad highlight all of the known objects in your image. You can delete the layer by selecting it and then press theĭelete key on your keyboard. When you do something like measure or draw on the image,Īladin creates a new layer for you, as shown in the bottom right of the screen: With NGC 936 on the screen, click the third icon from the rightĬlick and drag across the galaxy to measure its size in arc The celestial coordinates of your pointer. You can try pretty much any other designation.Īs you move your mouse over the display, the command bar displays When you click on it, you’ll find that its designation is actually NGC 936. Try entering LEDA 9359 into the command bar and see what comes Pretty much anything you see on the screen. You can also zoom in and out using your mouse wheel. Use your mouse to click and drag the image to explore theĪrea. Use your mouse to click the name of the star and a new browser window should open at the Simbad entry for the star ( I explained how to use Simbad here). ![]() In my case, I selected the star HD 204712. ![]() ![]() (you may have to wait a couple of seconds after you click for Aladin to show Type M15 into the command bar and hit enter.Īladin will acquire an image of Messier 15 and display it onįind a star and click it to show some information about it The top is where you do your searches for the objects you want to view. Some options available on the left and right side of the window. When Aladin starts, it shows you a splash screen along with You run Aladin by double-clicking its icon on your desktop if you downloaded it onto your desktop. If you don’t have Java installed, you can get a free copy from – just follow the directions there. You need to have Java installed on your system to use be able to run it. It’s easy to get a copy of Aladin – just download it to your desktop and run it. I show you how to use Aladin to research objects and how to use it to research the objects in your own images by superimposing your images onto the Aladin Sky Atlas – a very useful feature that was once reserved only for those with expensive planetarium software. I mention Aladin just once in my book and this is a tutorial on using it to explore the sky and use it to explore and investigate your own images. Aladin has advanced features like allowing you to query by object designation, coordinates, or even by image (I show you how to do that here in this tutorial). Aladin is a free, interactive sky atlas that draws data from a broad range of sources, giving you access to a very detailed all-sky view that’s comparable to the most advanced planetarium software.
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