NGC 2403
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NGC 2403 is an intermediate spiral galaxy in the constellation Camelopardalis. Alternatively, it is known as Caldwell 7. It is an outlying member of the M81 Group of galaxies, and is approximately 9.7
NGC 2403 imaged by the Nicholas U. Mayall Telescope at the Kitt Peak National Observatory
A Hubble Space Telescope (HST), and Subaru image of NGC 2403. NGC 2404 is visible
Triangulum Galaxy
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The Triangulum Galaxy is a spiral galaxy 2.878 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. With the D25 isophotal diameter of 18.74 kilop
NGC 2403
…the analysis of the Cepheids increased this by almost a factor of five, to within 0.2 magnitudes of the current value. NGC 2403 bears a similarity to M33, containing numerous star-forming H II regions, but being a little bit larger at approximately 90,000 light-years in diameter compared to the 61,100…
Galaxy Messier 33 in Triangulum (the Triangulum Galaxy)
NGC 604 in the Triangulum Galaxy
Composite of about 54 different pointings with Hubble's Advanced Camera for Surveys
Infrared image of M33 taken with the Spitzer Space Telescope