AstroFITS vs Nebulis

A simple app to open FITS file in iOS quickly using GPU. It has an auto-stretch feature. And works on FITS file with RGB or gray color. It handles BITPIX of 8,16,32,-32 and -64. It is designed and tested for Seetar FITS file. It takes about 2 seconds to open and automatically stretch a 50mb FITS file. Sample links are provided below. Enjoy! Use: 1. Download your FITS file to your phone File directory. 2. Tap Image icon on the first top left. 3. Select your FITS file. 4. It will auto stretch. 5. Adjust the image level. 6. Adjust the image curve. 7. Tap the second top icon to save image to Photo. If you encounter an issue, please email to ustrainsit74@gmail.com with your FITS file as attachment. Sample: Below are some FITS files for download. - https://drive.google.com/file/d/1Li8f1QH1u1R6U8RKZZ0kwW9LZ4cHCaXz/view?usp=share_link - https://drive.google.com/file/d/1MVuW1oa7qAjbfdl_iGUI-q7knE2ij67v/view?usp=share_link - https://drive.google.com/file/d/1TE70gdDK3XmLx9-iB43I-uh6INq8FCaO/view?usp=share_link Privacy policy and term of use (EULA) is at https://deepskycolor.blogspot.com/2018/12/privacy-policy-for-deep-sky-color-app.html

Nebulis is the companion app for your Nebulis astrophotography server. Browse your entire deep-sky image library from your iPhone or iPad, plan your next observation session, and dive deep into the objects you've captured. Your Library, Your Way Browse hundreds of images organized by object, date, and type. Filter by galaxies, nebulae, or star clusters. Mark favorites, swipe through full-screen previews with pinch-to-zoom, and edit your captures right on your device. Plan Your Next Session The built-in planner shows you what's worth imaging tonight based on your location — with altitude charts, object details, and a curated "best tonight" list so you spend less time planning and more time imaging. Sky Forecast Check local sky conditions before you haul out the gear. Seeing and transparency forecasts help you decide if it's worth setting up. Explore Without a Server New to Nebulis? Browse a curated sample gallery of deep-sky objects to see what the app can do before connecting your own library. Privacy First Nebulis connects directly to your own server on your local network. Requires a Nebulis server (free) running on your local network or accessible via your home connection. Get Nebulis here -> https://nebulis.app