HDR Resources:
Top 5 Best HDR Software Applications
https://www.madestuffeasy.com/best-hdr-software-for-mac-and-windows-pc/
easyHDR
User Guide
https://www.easyhdr.com/download/easyHDR_3-2_user-manual.pdf
easyHDR Notes:
Nik Collection Efex HDR Pro Guide
http://www.redlandscameraclub.org/docs/hdr%20info/hdr%20info.pdf