News Release Archive:

News Release 278 of 1051

October 19, 2010 09:00 AM (EDT)

News Release Number: STScI-2010-36

Pinwheel of Star Birth

Technical facts about this news release:

About the Object
Object Name: NGC 3982
Object Description: Face-on Spiral Galaxy
Position (J2000): R.A. 11h 56m 28s.13
Dec. +55° 07' 30".86
Constellation: Ursa Major
Distance: 68 million light-years (26 million parsecs)
About the Data
Data Description: The image was created from Hubble data from proposals 10802 and 11570: A. Riess (STScI) et al.; 9788: L. Ho (Carniegie Institute of Washington) et al.; and 8100: A. Saha (NOAO/AURA) et al.
Instrument: WFPC2, ACS/WFC, and WFC3
Exposure Date(s): March 2000 - August 2009
Exposure Time: Multiple proposals totaling 25.5 hours
Filters: F555W (V), F658N (H-alpha+[N II]), and F814W (I)
About the Image
Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
Release Date: October 19, 2010
Color: The image is a composite of separate exposures made by the WFPC2, ACS, and WFC3 instruments on the Hubble Space Telescope. Three 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:
F555W (V) blue-cyan
F658N (H-alpha+[N II]) red
F814W (I) red-yellow