NGC 1535, also known as Cleopatra's Eye, [3] is a planetary nebula in the constellation of Eridanus, discovered by William Herschel on February 1, 1785. [4] It is very similar to the Eskimo Nebula in both color and structure but the central star can be quite difficult to observe visually. [5]

NGC 1535 是一個位於 波江座 的 行星狀星雲，由 威廉·赫歇爾 發現於1785年2月1日 [3]。 NGC 1535的直徑約稍大於1光年，距離地球約5500到7500光年。 它的顏色和結構與 愛斯基摩星雲 極為類似，但依照觀測資料，這兩個星雲中心恆星的性質極為不同 [4]。 ^ 跳转到： 1.0 1.1 1.2 1.3 NGC 1535. Simbad. [11 July 2015]. （原始内容 存档 于2015-07-12）. ^ Smith, H. On the distances of planetary nebulae (PDF).

The planetary nebula NGC 1535 shows an unusual structure that is similar to the better-known Eskimo Nebula (NGC 2392). The nebula consists of a bright inner annular ring of diameter 20×17 arcseconds with the major axis oriented approximately at position angle 35°.

2021年11月3日 · Cleopatra’s Eye, or NGC 1535, is a planetary nebula in the constellation Eridanus. This nebula has an unusual structure that is similar to the better-known NGC 2392, with an outer region and a brighter inner center.

2025年1月2日 · Like all planetary nebulae, NGC 1535 formed when a star similar to the Sun reached the end of its life and expelled its outer layers into space. Now, the hot stellar remnant illuminates the expanding clouds of ejected material, making them glow as a …

2020年1月1日 · Planetary nebula NGC 1535 is a victim of circumstance. Take a look at its facts. Its bluish disk spans about a minute of arc, which is quite large as planetaries go, and shines brightly enough to be visible through giant binoculars.

NGC 1535 is a Planetary Nebula in the Eridanus constellation. NGC 1535 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year.

ngc 1535 是波江座的一个行星状星云，由弗里德里希·威廉·赫歇尔发现。

2021年11月5日 · NGC 1535 is a 10.5-magnitude planetary nebula in the constellation of Eridanus. Also referred to as BD-13 842, HD 26847 and IRAS 04119-1251 in various astronomical catalogues, it lies at a distance between 5,500 and 7,500 light-years from Earth.

NGC 1535 是一個位於 波江座 的 行星狀星雲，由 威廉·赫歇爾 發現於1785年2月1日 [3]。 NGC 1535的直徑約稍大於1光年，距離地球約5500到7500光年。 它的顏色和結構與 愛斯基摩星雲 極為類似，但依照觀測資料，這兩個星雲中心恆星的性質極為不同 [4]。 ^ 1.0 1.1 1.2 1.3 NGC 1535. Simbad. [11 July 2015]. （原始內容 存檔 於2015-07-12）. ^ Smith, H. On the distances of planetary nebulae (PDF).