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（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 …

2024年7月25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 …

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 …

The Iris Nebula (also known as NGC 7023 and Caldwell 4) is a faint reflection nebula in the constellation Cepheus. The nebula is illuminated by a bright central star designated HD …

2024年11月1日 · The Iris Nebula (NGC 7023) is a reflection nebula located 1,300 light-years from Earth. A massive star illuminates the interstellar cloud, creating a glow resembling an eye’s …

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 …

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 …

The Iris Nebula, also known as NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus. NGC 7023 is actually the cluster within the …

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 …