STScI Logo

Hubble Space Telescope

The Space Telescope Analysis Newsletter (STAN) provides HST users with up-to-date calibration and other instrument information. This site provides an archive of current and past issues of the newsletter.

If you would like to subscribe or unsubscribe to the ACS+WFPC2 STAN, send a message to with the subject line blank and the following in the body:

 [un]subscribe acs_wfpc2_news YOUR NAME

WFPC2 STAN Archive.

Any questions about the scheduling of your observations should be addressed to your Program Coordinator. Post-Observation questions can be addressed to your Contact Scientist. If you do not know who these persons are, you can find the information on the WWW at:

Analysis, STSDAS, or any other questions can also be addressed to