2024年11月23日 · Sharpless 299 + 300 - posted in Experienced Deep Sky Imaging: Sh2-299 (Bran 37) is the smaller HII region located approximately 13,700 light-years away in Puppis. Sh2-300 (Bran 40) is the larger HII region located at the same distance as Sh2-299.

2025年2月18日 · This pair of small emission nebulae is located about 14,000 light years away in the constellation of Puppis at a declination of -15 degrees. Sh2-299 (upper right) is 2 arc-minutes in size, while Sh2-300 is 6 arc-minutes. This corresponds to diameters of 8 …

画面右上が大きさ約1分のSh2-299，左下が視直径3分のSh2-300で，両者の離角は約10分です。 ともに表面輝度は低く，長時間露出しないとその形状を認めるのは困難です。

The nebula on the upper right of the image is Sh2-299 with a size of about an arc minute, and another on the lower left is Sh2-300 with an apparent diameter of 3 arc minutes. The separation angle between them is about 10 minutes. Both have low surface brightness; it is difficult to recognize their shape without long exposure.

2024年11月23日 · Sh2-299 (Bran 37) is the smaller HII region located approximately 13,700 light-years away in Puppis. Sh2-300 (Bran 40) is the larger HII region located at the same distance as Sh2-299.

Sh2 299 and 300 RGB HA Celestial hemisphere: Southern · Constellation: Puppis (Pup) · Contains: Sh2-299 · Sh2-300

This pair of small emission nebulae is located about 14,000 light years away in the constellation of Puppis at a declination of -15 degrees. Sh2-299 (upper right) is 2 arc-minutes in size, while Sh2-...

2025年2月3日 · とも座にあるちっちゃな星雲で、大きい方がSh2-299小さいほうSh2-300で、おおいぬ座のカブト星雲の下の方にある。 丸っこくて可愛らしい。 南中ちょい前の位置から開始したので高度も低くそう長く撮れない。

Query : Sh2-300 : Basic data : SH 2-300 -- HII Region The astronomical object called SH 2-300 is a HII Region: Origin of the objects types : (Ref) Object type as listed in the reference "Ref" (acronym) Object type linked to the acronym according to the original reference Anterior to 2007, before we can link the objet type to a reference, or ...

今回は、とも座にある散光星雲 Sh2-299、Sh2-300の二つです。 この二つの星雲はかなり近いところにあるので、一緒にご紹介したいと思います。 見かけ…