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Japan, Ogasawara
Stargazing Tour - Observe the best starry sky in Japan, Ogasawara!
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Quiet Stargazing
Spitzer California Nebula Mosaic
Explore the profound quiet of the universe through NASA's high-resolution archives. Perfect for your stargazing journey.
Celestial Log
NASA Observation
This series of image taken by NASA's Spitzer Space Telescope on Jan. 25, 2020, shows part of the California Nebula, which is located about 1,000 light-years from Earth. This is the final mosaic taken by the mission before it was decommissioned on Jan. 30, 2020. Spitzer's infrared detectors reveal the presence of warm dust, similar to soot, mixed in with the gas. The dust absorbs visible and ultraviolet light from nearby stars and then re-emits the absorbed energy as infrared light. The image displays Spitzer's observations much the way that research astronomers would view them: From 2009 to 2020, Spitzer operated two detectors simultaneously that imaged adjacent areas of the sky. The detectors captured different wavelengths of infrared light (referred to by their physical wavelength): 3.6 micrometers (shown in cyan) and 4.5 micrometers (shown in red). Different wavelengths of light can reveal different objects or features. Spitzer would scan the sky, taking multiple pictures in a grid pattern, so that both detectors would image the region at the center of the grid. By combining those images into a mosaic, it was possible to see what a given region looked like in multiple wavelengths, such as in the gray-hued part of the image above. https://photojournal.jpl.nasa.gov/catalog/PIA23650
Expedition
Experience the serenity of the cosmos
Discover nebula-themed journey sites designed for peaceful observation.
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Knowledge Base
Stargazer FAQ
Are the colors in this nebula image real?
NASA often uses 'false color' techniques. Scientists map invisible wavelengths (like infrared) or specific gases to visible colors (red, green, blue) to highlight the nebula's structural details.
Can I see this nebula with a standard telescope?
While some bright nebulas are visible with entry-level telescopes, capturing these stunning details usually requires deep-sky astrophotography equipment and long exposures.