Messier 78 or M78, also known as NGC 2068, is a reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalog of comet -like objects that same year.

M78 或 梅西耶78，也稱為 NGC 2068，是在 獵戶座 的一個 反射星雲。 它於1780年被 皮埃爾·梅尚 發現，並在同年被收錄至 夏爾·梅西耶 的類似 彗星 天體目錄 [3]。

2015年8月1日 · Messier 78 (M78) is a reflection nebula located in the northern constellation Orion, the Hunter. M78 is the brightest diffuse reflection nebula in the sky. It has an apparent magnitude of 8.3 and lies at an approximate distance of 1,600 light years from Earth. It has the designation NGC 2068 in the New General Catalogue.

Messier 78 (M78, NGC 2068) is a beautiful blue reflection nebula in the constellation Orion. It is the brightest diffuse reflection nebula in a group of nebulae that includes NGC 2064, NGC 2067, and NGC 2071.

现实中编号 M78 的星云，NGC 2068，是距离地球约 1350 光年的反射星云，里面有数十颗恒星。 在随便来个“扔到”而不特意指定位置的情况下，无防护地暴露在太空的人可以生存约 90 秒，最初 9~11 秒里可以保持清醒，在 30 秒内获救基本不会受到永久伤害。

M78是在包括 NGC 2064 、 NGC 2067 、和 NGC 2071 这一组星云中最明亮的弥漫反射星云。 这个群体属于距离地球大约1,350光年的 猎户B分子云复合体， [1] M78使用小望远镜看起来是一个斑块，并有 视星等 10等和11等的两颗星，因此很容易就能找到。

Messier 78, also known as M78 or NGC 2068, is a prominent reflection nebula located in the constellation Orion. Discovered by Pierre M?chain in 1780, and later catalogued by Charles Messier, this fascinating object is part of the larger Orion Molecular Cloud Complex, an expansive region of cosmic dust and gas that also includes the famous Orion ...

Casper the Friendly Ghost Nebula (M78, NGC2068) is a reflection nebula that has a distance from Earth of light years. It can be found in the constellation of Orion.

Messier 78, NGC 2068, is a reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalog of comet-like objects that same year...

2019年2月18日 · Located in the Orion Constellation, roughly 13,500 light years from Earth, is the bright reflection nebula known as Messier 78.