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M74: The Perfect Spiral
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M74: The Perfect Spiral
Credit & Copyright: Descubre Foundation, Calar Alto Observatory, OAUV, DSA, V. Peris (OAUV), J. L. Lamadrid (CEFCA), J. Harvey (SSRO), S. Mazlin (SSRO), I. Rodriguez (PTeam), O. L. (PTeam), J. Conejero (PixInsight).
Explanation: If not perfect, then this spiral galaxy is at least one of the most photogenic. An island universe of about 100 billion stars, 32 million light-years away toward the constellation Pisces, M74 presents a gorgeous face-on view. Classified as an Sc galaxy, the grand design of M74's graceful spiral arms are traced by bright blue star clusters and dark cosmic dust lanes. The above image covers half the width of the full Moon and was obtained using 19 hours of exposure on the 1.23-meter telescope at Calar Alto Observatory in the Sierra de Los Filabres mountain range in Spain. Spanning about 30,000 light-years across the face of M74, it includes exposures recording emission from hydrogen atoms, highlighting the reddish glow of the galaxy's large star-forming regions.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Russkii tekst
Based on Astronomy Picture Of the Day
Publikacii s klyuchevymi slovami: M 74 - spiral galaxy - spiral arms - spiral'naya galaktika - spiral'naya struktura
Publikacii so slovami: M 74 - spiral galaxy - spiral arms - spiral'naya galaktika - spiral'naya struktura
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