**NGC 690**
**Definition**
NGC 690 is a spiral galaxy located in the constellation Aries. It is part of the New General Catalogue (NGC) and is noted for its distinct spiral structure.
**Overview**
NGC 690 is classified as an intermediate spiral galaxy, exhibiting characteristics between barred and unbarred spirals. It lies approximately 200 million light-years from Earth, making it a relatively distant object within the local universe. The galaxy was first discovered in the 19th century during systematic sky surveys aimed at cataloging nebulae and star clusters.
**Physical Characteristics**
The galaxy features well-defined spiral arms that contain regions of active star formation. Its apparent magnitude is around 12.5, which requires a moderate-sized telescope for observation. NGC 690’s structure provides valuable insights into the dynamics and evolution of spiral galaxies.
**Location and Observation**
Situated in the Aries constellation, NGC 690 can be observed from the Northern Hemisphere during autumn months. Its position and brightness make it a target for amateur astronomers interested in deep-sky objects.
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**Meta Description**
NGC 690 is an intermediate spiral galaxy in the Aries constellation, approximately 200 million light-years away. It is known for its distinct spiral arms and moderate brightness.