description Sandqvist 155 Overview
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What is Sandqvist 155?
Sandqvist 155 is an obscured dark nebula in the Milky Way. It appears in astronomer Aage Sandqvist's catalog of southern dark clouds.
Who cataloged Sandqvist 155?
The object is associated with Aage Sandqvist, who compiled the catalog of southern dark clouds. The catalog dates from the 1970s.
Why is Sandqvist 155 called a dark nebula?
A dark nebula is a cloud of dust that blocks or dims light from objects behind it. Sandqvist 155 is therefore identified by obscuration rather than bright emission.
Can Sandqvist 155 be seen as a bright nebula?
No, it is described as an obscured dark nebula, so it does not stand out through bright visible emission. Its presence is inferred from the background starlight it hides.
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