https://community.adobe.com/bug-reports-328/mobile-beta-bkgrnd-remove-blocks-trimmed-video-119-seconds-1465235
[Mobile Beta] Bkgrnd remove blocks trimmed video 119 seconds | Community
After trimming to 119. Bkgrnd remove refuses to accept. Had to trim, download then upload again
mobile betaremoveblockstrimmedvideo
https://cxc.harvard.edu/ciao/ahelp/acis_bkgrnd_lookup.html
Ahelp: acis_bkgrnd_lookup - CIAO 4.18
The CIAO software package for analyzing data from X-ray telescopes, including the Chandra X-ray telescope.
acislookupciao