Great article - thanks! PBS Nova had a good 25th Anniversary show on the history of Hubble the other night. If you haven’t seen it, look for it on the rerun.
stan On Apr 24, 2015, at 10:15 PM, Matthew Hunt <[email protected]> wrote: > Today is the 25th anniversary of the launch of the Hubble Space > Telescope. I am reminded that the first astronomical data I worked > with was from the Four-Shooter camera at Palomar, which was built with > "second-choice" sensors from WFPC on HST. > > "Nothing is perfect, of course, and CCD's have had two inherent > drawbacks in astronomy: their small field of view and the sheer > volumes of data they generate.... a picture is made up of about > 100,000 integers. The observer needs access to a fast data-handling > system and a goodly supply of magnetic tape." > > http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1984IAPPP..17...33P&db_key=AST&page_ind=0&plate_select=NO&data_type=GIF&type=SCREEN_GIF&classic=YES > > Here is a picture of the magnetic tapes in my basement. I took the > picture with my pocket telephone-computer, whose images are made up of > about 8,000,000 integers. > > https://www.flickr.com/photos/coneslayer/17234620576/ > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
