Hubble Space Telescope

A team of astronomers aimed Hubble at one of the most striking examples of gravitational lensing, a nearly 90-degree arc of light in the galaxy cluster RCS2 032727-132623. Hubble's view of the distant background galaxy, which lies nearly 10 billion light-years away, is significantly more detailed than could ever be achieved without the help of the gravitational lens.

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		Exposure Time Calculators
		The ETCs are web-based applications that assist Hubble users in preparing Phase I and Phase II observing proposals. The ETCs calculate exposure times or SNRs for simulated astronomical observations using any of HST's primary instruments: ACS COS NICMOS STIS WFC3


		Program Status
		Prop. ID:


		HST Daily Report
		Current Previous


		HST Observations
		A synopsis of programs scheduled for observation with HST. This Week Last Week HubbleObserver Corner


		Hubble Legacy Archive
		The Hubble Legacy Archive (HLA) is designed to optimize science from HST by providing online, enhanced Hubble products and advanced browsing capabilities.