NGC 7217 is a gas -poor system [2] whose main features are the presence of several rings of stars concentric to its nucleus: three main ones –the outermost one being of the most …

NGC 7217是 氣體貧乏 的星系， [2] 其主要特徵是其核心周圍存在多個同心的恆星環。 其中有三個主要環——最外側的環最為顯著，且包含了該星系大部分的氣體與 恆星形成 區域 [2]。 此 …

This flocculent galaxy is located 50 million light-years away in the constellation of Pegasus at a declination of +31 degrees. It is a magnitude 11.9 galaxy oriented 30 degrees from face-on in …

NGC 7217 is a Spiral Galaxy in the Pegasus constellation. NGC 7217 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its …

NGC 7217 is a gas-poor system whose main features are the presence of several rings of stars concentric to its nucleus: three main ones –the outermost one being of the most prominent …

NGC 7217 is a well-known northern spiral galaxy which is characterized by flocculent spiral structure and a series of three optical ringlike zones: a nuclear ring 21" in diameter, a weak …

NGC 7217, an unbarred spiral galaxy in Pegasus Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7217

2014年8月19日 · NGC 7217 is a gas-poor system whose main features are the presence of several rings of stars concentric to its nucleus: three main ones -being the outermost one the …

The galaxy NGC 7217 is located in the constellation Pegasus. On 22 August it is in opposition to the Sun and crosses the meridian at local midnight. The best observation time is June to …

2025年2月28日 · NGC 7217 是 飛馬座 的 無棒螺旋星系。 NGC 7217是 氣體貧乏 的星系， [2] 其主要特徵是其核心周圍存在多個同心的恆星環。 其中有三個主要環——最外側的環最為顯 …