免費的fit檔編修軟體
http://www.spacetelescope.org/projects/fits_liberator/Version 3.0 of the FITS Liberator include the following new features:
•FITS Liberator is now a stand-alone application, which means that Photoshop is no longer required.
•Processing medium-sized images is now up to 35% faster, thanks to significantly improved memory management.
•Processing large images are also faster thanks to delayed application of stretch functions.
•FITS Liberator saves TIFF files that open in virtually any image processing software.
•Open-source code base available on
http://code.google.com/p/fitsliberator.
Version 3.0 of the FITS Liberator 現在是獨立的應用程式，這意味著不再需要 Photoshop。
中型圖像處理是現在快 35%歸功於顯著改進的記憶體管理。
大影像處理速度更快也多虧了拉伸功能的延遲應用。
適用于幾乎任何影像處理軟體中打開的解放者節省 TIFF 檔。
開放原始程式碼基地
http://code.google.com/p/fitsliberator 上可用。
依照以上介紹
可以取代PS
有興趣的鄉親可以試試
觀星工具 
