NGC 7771 這是一個位於 飛馬座 的 螺旋星系。 它相對於 宇宙微波背景 的速度為3,979±25 km/s，對應的哈伯距離為 58.7±4.1Mpc（∼1.91億 光年） [1]。 NGC 7771是 德國 天文學家 威廉·赫歇爾 在1784年9月18日發現的 [2]。 NGC 7771的光度等級為I，具有寬廣的 HI 線。 此外，它也是一個 亮紅外星系 （LIRG星系）和 星暴星系，還包含 氫離子區 區域。 迄今為止，九次非紅移測量得出的距離為48.100±3.381Mpc（約 1.57 億光年） [5]，仍在哈伯距離範圍內。 ^ 跳转到： …

Some 200 million light-years distant toward the constellation Pegasus, NGC 7771 is the large, edge-on spiral near center, about 75,000 light-years across, with two smaller galaxies below it. Large spiral NGC 7769 is seen face-on to the right.

Known as the NGC 7771 Group, they lie almost 200 million light-years away toward the high flying constellation Pegasus. The largest galaxy, barred spiral NGC 7771, is itself about 75,000 light-years across, but will someday find itself part of a

2024年8月31日 · Some 200 million light-years distant toward the constellation Pegasus, NGC 7771 is the large, edge-on spiral near center, about 75,000 light-years across, with two smaller galaxies below it. Large spiral NGC 7769 is seen face-on to the right.

2024年8月31日 · Some 200 million light-years distant toward the constellation Pegasus, NGC 7771 is the large, edge-on spiral near center, about 75,000 light-years across, with two smaller galaxies below it. Large spiral NGC 7769 is seen face-on to the right.

The NGC 7771 galaxy group is located in the constellation Pegasus. On 19 September it is in opposition to the Sun and crosses the meridian at local midnight. The best observation time is June to December, when it is highest at night. NGC 7771 Galaxy Group in constellation Pegasus. Charts created using SkySafari 6 Pro and STScI Digitized Sky Survey.

2001年2月3日 · Barred spiral galaxy NGC 7771 is a part of a triplet of galaxies, consisting of small lenticular galaxy NGC 7770 to the south and the edge-on disk galaxy recently named NGC 7771A to the west. Spiral Galaxy NGC 7769, just outside of the Kopernik image, lies a little further west.

2024年8月31日 · 离我们约有2亿光年远，位于飞马座方向的星系ngc 7771[5]，是影像中央附近的那个侧向大星系。它的大小约为75,000光年，其下方还可见到2个较小的星系，而右方的正向星系则是大螺旋星系ngc 7769。

NGC 7771 is a Spiral Galaxy in the Pegasus constellation. NGC 7771 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 7771这是一个位于飞马座的螺旋星系。它相对于宇宙微波背景的速度为3,979±25 km/s，对应的哈伯距离为 58.7±4.1Mpc（∼1.91亿光年） [1] 。NGC 7771是德国 天文学家 威廉·赫歇尔在1784年9月18日发现的 [2] 。 NGC 7771的光度等级为I，具有宽广的 HI 线。