Synopsis
*Description*:> Pan of the galaxy NGC 3370 taken by Hubble's Advanced Camera for Surveys in early 2003. Adam Riess, an astronomer at the Space Telescope Science Institute in Baltimore, Md., observed NGC 3370 a dozen times over the course of a month and has seen many Cepheid variables. These Cepheids are the most distant yet observed with Hubble. The total exposure time for this galaxy is extremely long (about one full day), and the combined image provides one of the deepest views taken by Hubble. As a result, thousands of distant galaxies in the background are easily discernable. Technical facts about this news release: About the Object Object Name: NGC 3370 Object Description: Spiral Galaxy Position (J2000): R.A. 10h 47m 04s.18 Dec. +17° 16' 22".8 Constellation: Leo Distance: 98 million light-years (30 megaparsecs) Dimensions: This image is roughly 3.4 arcminutes (95,000 light-years or 29,000 parsecs) wide. About the Data Data Description: This image was created from HST data from the following proposals: 9351: A. Riess (STScI), P. Stetson (NRC), A. Filippenko (UC Berkeley); and 9696: K. Noll (STScI), A. Riess (STScI), L. Frattare, H. Bond, C. Christian, F. Hamilton, Z. Levay, and T. Royle (STScI). Instrument: ACS/WFC Exposure Date(s): April/May 2003 Exposure Time: 25 hours Filters: F435W("B"), F555W("V"), F814W("I") About the Image Image Credit: NASA, The Hubble Heritage Team and A. Riess (STScI) Release Date: September 4, 2003 Orientation: Spiral Galaxy NGC 3370, Home to…
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