天文技术相关

astropy文档

https://docs.astropy.org/en/stable/index.html

什么是fits

https://fits.gsfc.nasa.gov

fits-header里的常见字段

https://heasarc.gsfc.nasa.gov/docs/fcg/standard_dict.html

saoimage 一个X11 Image Display Utility

http://tdc-www.harvard.edu/software/saoimage.html