NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary", although many other nebulae exhibit …

2023年9月22日 · The Blinking Planetary Nebula (NGC 6826, Caldwell 15) is a planetary nebula located approximately 2,000 light-years away in the northern constellation Cygnus. It appears …

眨眼星云、NGC 6826，也称为Caldwell 15，是位于天鹅座的一个行星状星云。 它的俗称是"闪烁行星"，但是许多其它的星云也会表现出像这样的"闪烁"。 当使用小望远镜直接观看时，受到 …

2024年8月23日 · Also known as NGC 6826, Caldwell 15 is about 2,200 light-years away from Earth. Young and small, the planetary nebula is only about a thousand years old and less than …

2024年4月10日 · NGC 6826 lies between 2,000 and 5,000 light-years from Earth, in the constellation Cygnus. This relative proximity, combined with its apparent magnitude of 8.8, …

2024年7月25日 · NGC 6826, known as the Blinking Nebula, is also referred to as Caldwell 15. It is a planetary nebula located in the constellation Cygnus, approximately 2,000 to 2,200 light …

2024年1月1日 · NGC 6826 is a classic example of a double-shell planetary nebula. Its fainter outer shell surrounds a brighter inner shell that is directly surrounding the 10th-magnitude …

NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "blinking planetary", although many other nebulae exhibit …

NGC 6826 is a Planetary Nebula in the Cygnus constellation. NGC 6826 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. Given its …

This object is sometimes known as the “Blinking Planetary” because, when viewed in small telescopes the nebula tends to disappear when looked at directly, leaving only the central …