Iris Nebula - Wikipedia
The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a bright reflection nebula in the constellation Cepheus. The designation NGC 7023 refers to the open cluster within the larger …
鸢尾花星云 - 百度百科
鸢尾花星云（ngc 7023），是位于仙王座的一个明亮反射星云和科德韦尔天体。 鸢尾花星云其壮丽、对称的外形结构跨越了约6光年的天区，该星云特有的蓝色色泽是遍布四处的尘埃颗粒反射 …
APOD: 2021 September 3 - NGC 7023: The Iris Nebula
Called the Iris Nebula, NGC 7023 is not the only nebula to evoke the imagery of flowers. Still, this deep telescopic image shows off the Iris Nebula's range of colors and symmetries, embedded …
APOD: 2014 August 2 - NGC 7023: The Iris Nebula
2014年8月2日 · NGC 7023: The Iris Nebula Image Credit & Copyright: Jimmy Walker. Explanation: These clouds of interstellar dust and gas have blossomed 1,300 light-years away …
NGC 7023 – The Iris Nebula - AstroBackyard
The Iris is a reflection nebula, which means that its light comes from a bright star that reflects nearby dust. This type of deep-sky object does not need a modified astro-camera to record …
NGC 7023 - The Iris Nebula | Astrophotography Tips & Pictures
The Iris Nebula has the designation NGC 7023, but is also known as Caldwell 4. NGC 7023 technically refers to the cluster of stars visible inside the nebulous gases of the Iris. The …
NGC 7023：鸢尾花星云 | NASA中文
2021年9月3日 · Called the Iris Nebula, NGC 7023 is not the only nebula to evoke the imagery of flowers. Still, this deep telescopic image shows off the Iris Nebula’s range of colors and …
NGC 7023 — The Iris Nebula - Sky & Telescope
The Iris Nebula, designated NGC 7023 is a reflection nebula approximately 6 light years across and 1,300 light years away from Earth in the Cepheus constellation. Within the nebula, dusty …
Iris Nebula NGC 7023 - NOIRLab
2020年6月30日 · NGC 7023, also known as the Iris Nebula because of its flower-like shape, is a bright reflection nebula. The bluish glow of the nebula comes from a hot, massive star at the …
NGC 7023 - Revealing the Iris (APOD) (Robert Shepherd ... - AstroBin
NGC 7023, the Iris Nebula, is a magnificent example of a reflection nebula. Its central star, HD 200775, illuminates the surrounding dust, creating a distinct blue hue. Although a classic …
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