News Release Archive:

News Release 99 of 888

April 20, 2011 09:00 AM (EDT)

News Release Number: STScI-2011-11

NASA's Hubble Celebrates 21st Anniversary with "Rose" of Galaxies

Technical facts about this news release:

About the Object

Object Name:	Arp 273, UGC 1810
Object Description:	Interacting Galaxies
Position (J2000):	R.A. 02h 21m 28s.66 Dec. +39° 22' 32".6
Constellation:	Andromeda
Distance:	About 340 million light-years (105 million parsecs)
Dimensions:	The image is 2.6 arcminutes (260,000 light-years or 80,000 parsecs) wide.

About the Data

Data Description:	The image was created from Hubble data from proposal 12326: K. Noll (PI), Z. Levay, M. Mutchler, T. Borders, L. Frattare, M. Livio, C. Christian, and H. Bond (Hubble Heritage Team/STScI).
Instrument:	WFC3/UVIS
Exposure Date(s):	December 17, 2010
Exposure Time:	5.9 hours
Filters:	F390W (U), F475X (g), and F600LP (Red Longpass)

About the Release

Credit:

NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

Release Date:

April 20, 2011

Color:

This image is a composite of separate exposures acquired by the WFC3 instrument on HST. Several filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are:

F390W (U)	blue
F475X (g)	green
F600LP (Red Longpass)	red

Orientation/Scale: