NGC 3945 is a barred lenticular galaxy in the constellation Ursa Major. It was discovered on March 19, 1790, by the astronomer William Herschel. [5] NGC 3945 has a complex structure, …

NGC 3945 是一个位于 大熊座 的 透鏡狀星系，1790年3月19日由 威廉·赫歇爾 发现 [5]。 NGC 3945结构复杂，有两个星系棒和一个 核球 [3] ，是 LINER 星系 [3]。 NGC 3945中央 黑洞 质 …

3 天之前 · NGC 3945 and lost twin - posted in Experienced Deep Sky Imaging: NGC 3945 in Ursa Major. Managed to get this and Carolines Cluster with a broken telescope on March 1, 2025 …

NGC 3945 is a Lenticular Galaxy in the Ursa Major constellation. NGC 3945 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern …

NGC 3945 is a barred lenticular galaxy in the constellation Ursa Major. It was discovered on March 19, 1790 by the astronomer William Herschel.NGC 3945 has a complex structure, with …

2018年3月21日 · Had some brief nearly clear skies between all the Nor'easters this month and took advantage of the path I made through the new fallen 4+ feet of snow between the house …

2013年2月7日 · NGC 3945, NGC 3975 and huge NGC 3978 - posted in Experienced Deep Sky Imaging: NGC 3945 is a double ring galaxy in Ursa Major just above the bowl of the big dipper. …

NGC 3945是一个位于大熊座的透镜状星系，1790年3月19日由威廉·赫歇尔发现。 NGC 3945结构复杂，有两个星系棒和一个核球，是LINER星系。 NGC 3945中央黑洞质量较小，只有9×106 …

2012年3月14日 · The observations reveal that the stars at the center of NGC 3945 show little change in orbital speed. That indicates that the galaxy has a small supermassive black hole in …

2022年6月28日 · NGC 3945 是一个位于 大熊座 的 透鏡狀星系，1790年3月19日由 威廉·赫歇爾 发现 [ 5 ]。 NGC 3945结构复杂，有两个星系棒和一个 核球 [ 3 ] ，是 LINER 星系 [ 3 ]。 NGC …