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COSMOS was launched in 2006 as the largest project pursued by the Hubble Space Telescope at the time, and still is the largest continuous area of sky covered for the purposes of mapping deep space in blank fields, 2.5 times the area of the moon on the sky and 17 times larger than the largest of the CANDELS regions. The COSMOS scientific ...
The Guide Star Catalog (GSC), also known as the Hubble Space Telescope, Guide Catalog (HSTGC), is a star catalog compiled to support the Hubble Space Telescope with targeting off-axis stars. GSC-I contained approximately 20,000,000 stars with apparent magnitudes of 6 to 15.
NGC 2403 (also known as Caldwell 7) is an intermediate spiral galaxy in the constellation Camelopardalis.It is an outlying member of the M81 Group, [3] and is approximately 8 million light-years distant.
Four Great Observatories. NASA's series of Great Observatories satellites are four large, powerful space-based astronomical telescopes launched between 1990 and 2003. They were built with different technology to examine specific wavelength/energy regions of the electromagnetic spectrum: gamma rays, X-rays, visible and ultraviolet light, and infrared light.
The instrument, which is managed by NASA's Jet Propulsion Laboratory, will map the entire celestial sky in 102 infrared colors, illuminating not only our Milky Way, but another 450 million or so ...
NASA Astronomy Picture of the Day: Bright Galaxy M81 (20 June 2002) NightSkyInfo.com – M81, Bode's Galaxy; Messier 81 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images; ESA/Hubble images of M81; Galaxy Messier 81 (Bode's Galaxy) Spitzer Image Gallery; Helkit Observatory; Deep image of the M81 Area
There are over 200 full-sky images in spectral bands ranging from radio to gamma-rays There are also thousands of individual study images of various astronomical objects from space telescopes such as the Hubble Space Telescope, the Spitzer Space Telescope in infrared, the Chandra X-ray Observatory, COBE, WMAP, ROSAT, IRAS, GALEX as well as many ...
Caldwell advocates, however, see the catalogue as a useful list of some of the brightest and best known non-Messier deep-sky objects. Thus, advocates dismiss any "controversy" as being fabricated by older amateurs simply not able or willing to memorize the new designations despite every telescope database using the Caldwell IDs as the primary ...