December 2011

Hubble Space Telescope
Primer for Cycle 20

An Introduction to HST
for Phase I Proposers

How to Get Started

If you are interested in submitting an HST proposal, then proceed as follows:

•	Visit the Cycle 20 Announcement Web page:

http://www.stsci.edu/hst/proposing/docs/cycle20announce

Then continue by following the procedure outlined in the Phase I Roadmap available at:

http://apst.stsci.edu/apt/external/help/roadmap1.html

More technical documentation, such as that provided in the Instrument Handbooks, can be accessed from:

http://www.stsci.edu/hst/HST_overview/documents

Where to Get Help

•	Visit STScI’s Web site at:

http://www.stsci.edu

•	Contact the STScI Help Desk. Either send e-mail to help@stsci.edu or call 1-800-544-8125; from outside the United States and Canada, call [1] 410-338-1082.

The HST Primer for Cycle 20 was edited by Leonardo Ubeda, with the technical assistance of Susan Rose and the contributions of many others from STScI, in particular Alessandra Aloisi, Azalee Bostroem, Stefano Casertano, Ronald Downes, Rosa Diaz, Dorothy Fraquelli, Andrew Fruchter, Warren Hack, Jason Kalirai, Tim Kimball, Matt Lallo, John MacKenty, Larry Petro, Charles Proffitt, Ken Sembach, Linda Smith, Denise Taylor, William Workman, and Jim Younger.