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Scale and Compass for NGC 248

Scale and Compass for NGC 248

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    00h 45m 24.07s
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    -73° 22' 44.40"
  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Tucana
  • 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.
    197,000 light-years (61 kiloparsecs)

About the Data

  • Data Description
    Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
    Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
    These datasets are from the HST proposal 13659, P.I.: K. Sandstrom (University of California, San Diego).
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>ACS/WFC
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    September 2015
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F475W (B), F550M (narrow V), F658N (H-alpha), and F814W (i)
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    NGC 248, DEM S 16, SMC N13
  • Object Description
    Object DescriptionThe type of astronomical object.
    Star-forming Nebula
  • Release Date
    December 20, 2016
  • Science Release
    Festive Nebulas Light Up Milky Way Galaxy Satellite
    Read the release
  • Credit
    NASA, ESA, STScI, K. Sandstrom (University of California, San Diego), and the SMIDGE team

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Scale and Compass for NGC 248
Color Info
Color InfoA brief description of the methods used to convert telescope data into the color image being presented.

This image is combined from separate exposures acquired by HST's ACS/WFC instrument. Four filters were used to sample different wavelength bands. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: Blue: F475W (B) Green: F550M (narrow V) Orange: F658N (H-alpha) Red: F814W (i)

Compass and Scale
Compass and ScaleAn astronomical image with a scale that shows how large an object is on the sky, a compass that shows how the object is oriented on the sky, and the filters with which the image was made.

Related Images & Videos

NGC 248, a combination of two nebulas, appears as red clouds of gas and dust that are close to each other.

NGC 248 in the Small Magellanic Cloud

NASA's Hubble Space Telescope captured two festive-looking nebulas, situated so as to appear as one. They reside in the Small Magellanic Cloud, a dwarf galaxy that is a satellite of our Milky Way galaxy. Intense radiation from the brilliant central stars is heating hydrogen in...

Zoom into NGC 248

Zoom into NGC 248

This video begins with a ground-based view of the night sky as seen from the Earth's southern hemisphere. The Small Magellanic Cloud (SMC) appears on the left and Large Magellanic Cloud on the right. The video then zooms into the SMC, where the mosaic of the Small Magellanic...

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Details

Last Updated
Mar 03, 2025
Contact
Media

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

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