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NGC 2403: Ground-based and Hubble View

NGC 2403: Ground-based and Hubble View
This composite image shows a ground-based image of NGC 2403 and the location of a 10,000 light-year-wide square region imaged with the Hubble Space Telescope's Advanced Camera for Surveys. The area is host to Supernova 2004dj, the closest explosion of a massive star in over a decade, which blazes with the light of 200 million Suns.

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    07h 36m 57.22s
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    65° 36' 21.53"
  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Camelopardalis
  • Distance
    DistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
    Approximately 11 million light-years (3.4 Megaparsecs)
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    SN 2004dj, NGC 2403
  • Object Description
    Object DescriptionThe type of astronomical object.
    Supernova in spiral galaxy
  • Release Date
    September 2, 2004
  • Science Release
    A Bright Supernova in the Nearby Galaxy NGC 2403
    Read the release
  • Credits
    NOAO/AURA/NSF, C. Olson, J. Lapre and A. Block (NOAO)

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Related Images & Videos

A Bright Supernova in the Nearby Galaxy NGC 2403

A Bright Supernova in the Nearby Galaxy NGC 2403

The explosion of a massive star blazes with the light of 200 million Suns in this NASA Hubble Space Telescope image. The arrow at top right points to the stellar blast, called a supernova. The supernova is so bright in this image that it easily could be mistaken for a foreground...

Galaxy NGC 2403: Before and After Supernova 2004dj Outburst

Galaxy NGC 2403: Before and After Supernova 2004dj Outburst

The image at left represents a small region of NGC 2403, a galaxy located 11 million light-years from Earth. The photo was taken two months before a massive star exploded. The image pinpoints the location of the stellar blast, known as supernova 2004dj, within a cluster of...

NGC 2403: Annotated Hubble View

NGC 2403: Annotated Hubble View

This detailed view of spiral galaxy NGC 2403 shows the location of Supernova 2004dj, numerous star clusters, and several other stars that exploded in previous years. The region was observed with the Hubble Space Telescope's Advanced Camera for Surveys on Aug. 17, 2004.

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Details

Last Updated
Mar 14, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

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