Hubble image archive

A Cosmic Necklace Larger than a Solar System

The Wide Field Camera 3 (WFC3) detector onboard Hubble was used to observe the Necklace Nebula on July 2, 2011. Hubble's WFC3 broadband filters, which show the colors of the galactic field stars, were used along with narrowband filters that show emission from the gases that make...

Date
Jan 1, 2011
Mission
Hubble Space Telescope
Archive ID
hubblesite-images-2011-24-2888-image
By

The Wide Field Camera 3 (WFC3) detector onboard Hubble was used to observe the Necklace Nebula on July 2, 2011. Hubble's WFC3 broadband filters, which show the colors of the galactic field stars, were used along with narrowband filters that show emission from the gases that make up the planetary nebula. In this composite image, ionized hydrogen gas is shown in blue, oxygen gas in green, and nitrogen gas in red. The field stars appear mainly white, with a reddish tint, which is indicative of the older population stars that make up the disk of our Milky Way galaxy.

Credits

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

Image Details

About The Object
Object NameNecklace Nebula, PN G054.2-03.4
Object DescriptionPlanetary Nebula
R.A. Position19h 43m 59.49s
Dec. Position17° 9' 1.08"
ConstellationSagitta
DistanceAbout 15,000 light-years or 4,600 parsecs
Dimensions1.7 arcminutes (7.6 light-years or 2.3 parsecs) wide
About The Data
Data DescriptionThis image was created from HST data from proposal : K. Noll, Z. Levay, M. Livio, C. Christian, H. Bond, L. Frattare, M. Mutchler, T. Borders, and W. Januszewski (Hubble Heritage Team/STScI).
InstrumentHST>WFC3/UVIS
Exposure DatesJuly 2, 2011, Exposure Time: 44 minutes
FiltersF502N ([O III]), F438W (B), F656N (H-alpha), F555W (V), F658N ([N II]), and F814W (I)
About The Image
Color InfoThis image is a composite of many separate exposures made by the WFC3/UVIS instrument on the Hubble Space Telescope using six different filters, three broadband filters, and three narrowband filters. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are: Blue: F502N ([O III]) + F438W (B) Green: F656N (H-alpha) + F555W (V) Red: F658N ([N II]) + F814W (I)

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