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|  Message 10768  |
|  Alan Ianson to All  |
|  Daily APOD Report  |
|  22 Jan 26 01:13:40  |
 
MSGID: 1:153/757.0 2933e1f7
TZUTC: -0800
CHRS: LATIN-1 2
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our
fascinating universe is featured, along with a brief explanation
written by a professional astronomer.
2026 January 22
LDN 1622: Dark Nebula in Orion
Image Credit & Copyright: Chris Fellows
Explanation: The silhouette of an intriguing dark nebula inhabits this
cosmic scene. Lynds' Dark Nebula (LDN) 1622 appears against a faint
background of glowing hydrogen gas only visible in long telescopic
exposures of the region. In contrast, a brighter reflection nebula, vdB
62, is more easily seen just above the dusty dark nebula. LDN 1622 lies
near the plane of our Milky Way Galaxy, close on the sky to Barnard's
Loop, a large cloud surrounding the rich complex of emission nebulae
found in the Belt and Sword of Orion. With swept-back outlines, the
obscuring dust of LDN 1622 is thought to lie at a similar distance,
perhaps 1,500 light-years away. At that distance, this 3 degree wide
field of view would span about 100 light-years. Young stars do lie
hidden within the dark expanse and have been revealed in Spitzer Space
telescope infrared images. Still, the foreboding visual appearance of
LDN 1622 inspires its popular name, the Boogeyman Nebula.
Tomorrow's picture: the faint and mostly round
__________________________________________________________________
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
NASA Official: Amber Straughn Specific rights apply.
NASA Web Privacy, Accessibility, Notices;
A service of: ASD at NASA / GSFC,
NASA Science Activation
& Michigan Tech. U.
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