Intelligent Software For Photographers - Helicon Soft. Manage tens of thousands of images using a handy two- panel layout and password protect private images. The software includes side- by- side comparison view, quick editor, printing, burning, upload to Picasa, Facebook, and Flickr, advanced search possibilities and much more.
Free version with some limitations. It is the best for planetary astrophotography. Automatic image registration for astrophotography. IRIS is a free software. Iris is free of all rights for a non commercial usage and distribution. AstroStack is built on a flexible professional architecture with plugins. Even stereo images are also supported! Image stacking freeware. Program . Free use and distribution. Last updated on 2. This process is used mainly on dark images to remove the noise level. The difference between this program and more professional ones are the following: it's free, it works with jpg (and png) format so you can use it with images taken with digital cameras, and finally it's much simpler. With this program you can for instance set your camera on a tripod, take a bunch of 3. Expanded destination imagev. Added optional dark frame removal, file exclusion, wheel actions and a few user interface improvements. Increased possible image size (although that depends on underlying libraries)Use. Here are the steps of the alignment: Drag and drop the images into the program. All the images (jpg or png files) should be in the same directory. Press . You don't need to be very precise: the program places the cross on the brightest peak. The program will now estimate the position of the same points on all the other images. Do . If not you can just click on the proper location. Manually selected points are shown with a straight cross while guessed points have a diagonal cross. The dimension of the cross represents the area on which the brightest point is searched for. In case of broken sequences, press . It optionally saves each aligned image in the same directory with Aligned in the name. Then it merges all the images and it produces several images based on statistical computations: An image where each pixel is the brightest of all the original images. An image where each pixel is the darkest of all the original images. An image where each pixel is averaged from all the original images. An image where each pixel goes through a histogram filtering algorithm (maximizes the contrast). The program doesn't display the resulting images, it only saves them as png files. You will want to open the resulting images in your favorite graphic program and try to enhance them further with various tools, among which the histogram adjustment and multiple layers are the most useful. The computation is not particularly fast but the number of images has no practical limit. The program can also try to estimate the dark file by itself if not available, but that's pretty experimental. Imagine you have a camera with exposure time limited to 1. Put it on a tripod, take several shots, load the images in Rot. And. Stack and just press . No need to indicate alignment points for terrestrial images. Yes, this is the Milky Way as seen from the southern hemisphere. Download. Yes ! I want to download Rot. And. Stack now (8. Mb) ! Back to my contact page, my computer page or my home page.
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January 2017
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