SSystem: I think they added a fourth letter to make it a naughty word. TTransport: It’s a container for whatever you want, like image data. IImage: It’s for images…but not just for images. What does FITS stand for? (…other than truth and justice for all)įFlexible: FITS is stretchy, it does whatever you want it to do. FITS is not just an image format! Although, images are what is stored most often in these types of files, you can perceivably store anything you want in a FITS file. The current standard as of this article was defined and finalized in 2008, FITS version 3.0, and it’s used for all kinds of scientific data. So, let’s talk about FITS, baby. Why do we use it, and how can you convert it to something your normal image processing application can understand? I’m in a funny mood while writing this, I hope it makes a dry topic a little more entertaining. It’s also not natively readable by the most common photo editing software suites, which seems like a problem to the beginner, and a bit annoying for advanced astrophotographers. The FITS file format is the most commonly used file format for astronomical data (astro photos!). ![]() ![]() ![]() Let’s demystify an image format that gives you fits.
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