NGC 4145 is a barred spiral galaxy located in the Ursa Major galaxy cluster, 68 million light years from the Earth. The galaxy has little star formation, except on its outer edges. Due to the loss of energy that occurs without star formation, some astronomers predict that the galaxy will degenerate into a lenticular galaxy in the near future.

NGC 4145是一个位于大熊座的棒旋星系，距离地球6800万光年，属于 大熊座星系团 （ 英语 ： Ursa Major Cluster ） 。 星系的 恆星形成 活动较少，可能会演变成 透鏡狀星系 [ 2 ] [ 4 ] 。

NGC 4145是一個位於大熊座的棒旋星系，距離地球6800萬光年，屬於 大熊座星系團 （ 英語 ： Ursa Major Cluster ） 。 星系的 恆星形成 活動較少，可能會演變成 透鏡狀星系 [ 2 ] [ 4 ] 。

NGC 4145是一个长约80，000 x 55，000光年的棒状螺旋星系，位于距离地球约4600万光年的猎犬座北部。 它正以每秒1009公里的速度从我们身边退去。 它已经制造了它的大部分恒星，并且几乎没有恒星形成的活动。

NGC 4145 is a Spiral Galaxy in the Canes Venatici constellation. NGC 4145 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its B magnitude of 12.2, NGC 4145 is visible with the help of a telescope having an aperture of 8 inches (200mm) or more.

2024年7月6日 · NGC 4145 - the first protagonist in the frame. It is a barred spiral galaxy (SBcd) that is part of the Ursa Major Galaxy Cluster, discovered by William Herschel on March 18, 1787. Its distance is approximately 68 million light-years from Earth. This galaxy has low star-forming activity, except at its outer edges.

2024年2月8日 · NGC 4151 and 4145 are both spirals - at about 58 million light years distant, but look very different from each other. Also present are the mid-size galaxies - NGC 4156, IC3014, and IC3012 - distances are 320, 300, and 299 million light years respectively. The full FOV image shows many of...

2022年6月23日 · NGC 4145 (PGC 38693, UGC 7154 and others) is a barred spiral located approximately 62 million light-years away in Ursa Major. Imaged May 21st, 22nd, 23rd and 24th, 2022 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.

2024年3月15日 · NGC 4145 is a Hubble-type barred spiral galaxy SBcd. It is estimated to be 47 million light-years from the Milky Way. The galaxy shows little star formation except at its outer edges.

2018年4月29日 · NGC 4145 (PGC 38693, UGC 7154 and others) is the barred spiral at the top center of the image. It is located approximately 68 million light-years away in Canes Venatici. NGC 4151 (PGC 38739, UGC 7166 and others) is the odd-shaped (almost like Saturn) Seyfert 1 galaxy at the bottom center.