Imagen de brújula y escala para NGC 4911

Detalles de la imagen

About The Object
Object Name	NGC 4911
Object Description	Spiral Galaxy
R.A. Position	13h 0m 56.05s
Dec. Position	27° 47' 27.12"
Constellation	Coma Berenices
Distance	320 million light-years (100 million parsecs)
Dimensions	The image is roughly 2.5 arcminutes (230,000 light-years or 72,000 parsecs) wide.
About The Data
Data Description	The image was created from Hubble data from proposals : K. Cook (Lawrence Livermore National Laboratory), M. Gregg (University of California, Davis), L. Macri (National Optical Astronomy Observatories, AURA), J. Mould (University of Melbourne), P. Stetson (Dominion Astrophysical Observatory), and D. Welch (McMaster University); and 11956: K. Noll, Z. Levay, L. Frattare, C. Christian, F. Hamilton, and H. Bond (Hubble Heritage Team/STScI).
Instrument	HST>ACS/WFC and HST>WFPC2
Exposure Dates	December 2006 – January 2007 and January 2009 – February 2009, Exposure Time: 28 hours
Filters	F450W (B), F606W (V), F673N (redshifted H-alpha), and F814W (I)
About The Image
Color Info	The image is a composite of separate exposures made by the ACS and WFPC2 instruments on the Hubble Space Telescope. Four filters were used to sample broad and narrow wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are: F450W (B) F606W (V) F673N (redshifted H-alpha) + F814W (I)

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