2024年1月27日 · 借此机会说一下m42、m39、m43、43的区别。 M42诞生于1949年，基本上都指的M42×1这个标准，既42mm直径，1mm螺距（这个需要特地指出因为T口也是42mm直径， …

2025年1月15日 · Messier 43 is a neighbor to Messier 42, the Orion Nebula. Separated from the Orion Nebula (M42) by only a dark lane of dust, M43 was recognized as a distinct nebula by …

Messier 43 or M43, also known as De Mairan's Nebula and NGC 1982, is a star-forming nebula with a prominent H II region in the equatorial constellation of Orion. It was discovered by the …

The Great Orion Nebula, comprised of M42 and M43, with the Trapezium near the center. Because of its high dynamic range, the Great Orion Nebula is difficult to capture with a single …

2019年11月21日 · Both M42 and M43 are emission nebulae, with their light emitted from atoms being excited by the high-energy radiation of massive, very hot young stars within them. Wisps …

2020年6月30日 · The Orion Nebula (M42/M43, NGC1976/1982) This picture shows the great nebula in the constellation of Orion the Hunter. On a good clear night, from a dark site well …

M42 and M43 are best seen during the winter months from November through to February. Difficulty. The Orion Nebula is one of the brightest emission nebulae in the night sky, second …

2019年10月2日 · The NOAO image below more clearly shows the separation between M 42 (the larger one) and M 43. M 42 is powered by the light from “the Trapezium” (Theta-1 Orionis), a …

2009年12月19日 · The Orion Nebula (M-42 and M-43; aka NGC 1976) is one of the brightest emission nebulae (gas cloud shining by its own light) to be found in the sky. It can be seen …

2019年9月11日 · M43是Micro Four Thirds的缩写，其实应该写作M4/3，也就是微型的4/3系统规格，这是在4/3相机系统(Four Thirds系统，现在也被称为大43系统)上扩展演化出来的，由奥林 …