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NGC 2022 is a planetary nebula in the equatorial constellation of Orion, located at a distance of 8.21 kilolight-years from the Sun. [3] It was first observed by William Herschel on December 28, 1785, who described it as: considerably bright, nearly round, like a star with a large diameter, like an ill-defined planetary nebula. [7]
The 17th-anniversary celebration featured a panorama of part of the Carina Nebula, and a collection of images selected from that area. [4]In its 17 years of exploring the heavens, NASA's Hubble Space Telescope has made nearly 800,000 observations and snapped nearly 500,000 images of more than 25,000 celestial objects.
NGC 2261 was imaged by the Hubble Space Telescope, and an image of the nebula was released in 1999. [6] A timelapse of NGC 2261 was taken over a period of 6 months by over 20 amateur astronomers at the Big Amateur Telescope from October 2021 – April 2022. In August 2022, the project was resumed as NGC 2261 came out from behind the Sun. [7]
The NGC contains 7,840 objects, including galaxies, star clusters and emission nebulae. Dreyer published two supplements to the NGC in 1895 and 1908, known as the Index Catalogues (abbreviated IC), describing a further 5,386 astronomical objects. Thousands of these objects are best known by their NGC or IC numbers, which remain in widespread use.
Box Nebula: NGC 6309: 1876 6.5 11.5 Ophiuchus: NGC 6326: 1826 11 12.2 Ara: NGC 6563: 1826 5.37 ± 0.06 11 Sagittarius: NGC 6629 1784 13.4 11.3 Sagittarius: Phantom Streak Nebula: NGC 6741: 1882 7 11 Aquila: Little Gem Nebula: NGC 6818: 1787 6 9.3 Sagittarius: Abell 36: 1955 0.78 12.2 ± 2.1 Virgo: Abell 70: 1966 7.8–16 [4] Aquila: Box Nebula ...
The Ring Nebula is located in the lower right of the image Gum Nebula: 809–950 ly (248–291 pc) [32] [33] Emission nebula: Extends about 36° of the sky Bubble Nebula (NGC 6822) 758 ly (232 pc) [34] [35] [36] H II region: The Bubble Nebula is located in the upper left of the image NGC 6188: 600 ly (180 pc) [37] Emission nebula: NGC 592
2022 was no stranger to big news stories. Russia's invasion of Ukraine, the death of Queen Elizabeth II, midterm elections, and the list goes on. But visually, it's those spaces in between that ...
The nebula has been studied at radio and x-ray wavelengths, but it is still unclear whether it was produced at the class O main sequence stage of development, as a red supergiant, luminous blue variable, or mainly as a Wolf-Rayet star. [2] NGC 2361 is a bright knot of nebulosity on one edge of the central ring of NGC 2359.