Sh2-279
http://dbpedia.org/resource/Sh2-279
Sh2-279 هي منطقة هيدروجين II تقع في كوكبة الجبار، وهي تضم ثلاثة مجرات وهي: NGC 1973, NGC 1975 and NGC 1977.
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런닝맨 성운(NGC1977이라고도 함)은 오리온 대성운 위에 위치한 반사성운이다. 반사성운 중 어두운 부분(사진으로 보면 붉은색 부분)이 마치 '뛰는 사람(Running man)'같다 해서 런닝맨 성운으로 불리게 되었다. 오리온자리에 위치하였으며 오리온 대성운에서 30광년 떨어져 있다. 거리는 지구에서 1600광년 떨어져 있으며, 겉보기등급은 7.0으로, 밝은 편이지만 소형 망원경으로는 거의 보이지 않는다.
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Sh2-279 (alternatively designated S279 or Sharpless 279) is an HII region and bright nebulae that includes a reflection nebula located in the constellation Orion. It is the northernmost part of the asterism known as Orion's Sword, lying 0.6° north of the Orion Nebula. The reflection nebula embedded in Sh2-279 is popularly known as the Running Man Nebula.
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沙普利斯279（也稱為S279或Sh2-279）是一個H II區和明亮的星雲，還包含幾個在獵戶座的反射星雲。它在被稱為獵戶之劍星群的最北方，在獵戶座大星雲北方0.6°。嵌入其中的反射星雲被稱為跑者星雲。 Sh2-279包括被較暗的模糊區域分隔的三個NGC星雲："NGC 1973"、"NGC 1975"、和"NGC 1977"。其中最亮的星雲是威廉·赫歇爾於1786年發現的，後來被列為NGC 1977；包括旁邊的疏散星團NGC 1981，也是他發現的。他將其編目為"H V 30"並描述為"！！獵戶座42和星雲"。另兩個較小的反射星雲首先被德國天文學家注意到：NGC 1973在1862年，NGC 1975在1864年。這三個星雲都在1888年被列入NGC天體表。NGC 1977這個名稱在各種來源中用於獵戶座42（反射星雲的東南部）、整個反射星雲（包括NGC 1973和NGC 1975）或整個星雲複合體。 《獵戶之劍》中的整個區域後來也被編入獵戶座1c。在1966年，van den Bergh將包括Sh2-279在內的反射星雲的弱聚類區分為"獵戶座 R2"。出現在沙普利斯亮星雲表中的每個反射星雲]]首先在的藍色乾板上被識別出來，然後在紅色乾板進行雙重檢查，以消除可能的乾板故障。Van den Berg發現，在獵戶座大星雲周圍有大量新的金牛T星，並逐漸變細地接近與進入Sh2-279的尾巴。
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Sh2-279
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런닝맨 성운
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Sh2-279
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沙普利斯279
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Sh-279
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3310274
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1114052032
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40
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1500
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7
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Sh-279 as taken from the Mount Lemmon Observatory
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2003-10-02
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J2000.0
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Sh-279, NGC 1977-73-75
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1970.0
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HII Region / Reflection
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Sh2-279 هي منطقة هيدروجين II تقع في كوكبة الجبار، وهي تضم ثلاثة مجرات وهي: NGC 1973, NGC 1975 and NGC 1977.
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Sh2-279 (alternatively designated S279 or Sharpless 279) is an HII region and bright nebulae that includes a reflection nebula located in the constellation Orion. It is the northernmost part of the asterism known as Orion's Sword, lying 0.6° north of the Orion Nebula. The reflection nebula embedded in Sh2-279 is popularly known as the Running Man Nebula. Sh2-279 comprises three NGC nebulae, NGC 1973, NGC 1975, and NGC 1977 that are divided by darker nebulous regions. It also includes the open cluster NGC 1981. The brightest nebulosity, later listed as NGC 1977, was discovered by William Herschel in 1786. He catalogued it as "H V 30" and described "!! 42 Orionis and neb[ula]". The two smaller reflection nebulae were first noted by German astronomer Heinrich Louis d'Arrest, NGC 1973 in 1862 and NGC 1975 in 1864. All three were included in the New General Catalogue in 1888. The designation NGC 1977 is used in various sources for the reflection area around 42 Orionis (the south-east portion of the reflection nebula), for the entire reflection nebula (including NGC 1973 and NGC 1975), or for the whole nebula complex. This whole region in Orion's Sword was also later catalogued as Orion 1c. In 1966, van den Bergh distinguished the weak clustering of reflection nebulae that includes Sh2-279 as Ori R2. Every reflection nebula appearing within the Sharpless catalogue was first identified on blue plates of the Palomar Sky Survey, and then double checked against the red plates to eliminate possible plate faults. Van den Berg found that there was a strong concentration of new T Tauri stars around the Orion Nebula, tapering off into a tail approaching Sh2-279. The Running Man Nebula is a popular target for amateur astrophotographers, as it lies close to the Orion Nebula and has many nearby guide stars. The outline of the running man shows up primarily in photographs; it is difficult to perceive visually through telescopes, though the reflection nebula itself is visible in small to medium apertures in dark skies.
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런닝맨 성운(NGC1977이라고도 함)은 오리온 대성운 위에 위치한 반사성운이다. 반사성운 중 어두운 부분(사진으로 보면 붉은색 부분)이 마치 '뛰는 사람(Running man)'같다 해서 런닝맨 성운으로 불리게 되었다. 오리온자리에 위치하였으며 오리온 대성운에서 30광년 떨어져 있다. 거리는 지구에서 1600광년 떨어져 있으며, 겉보기등급은 7.0으로, 밝은 편이지만 소형 망원경으로는 거의 보이지 않는다.
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沙普利斯279（也稱為S279或Sh2-279）是一個H II區和明亮的星雲，還包含幾個在獵戶座的反射星雲。它在被稱為獵戶之劍星群的最北方，在獵戶座大星雲北方0.6°。嵌入其中的反射星雲被稱為跑者星雲。 Sh2-279包括被較暗的模糊區域分隔的三個NGC星雲："NGC 1973"、"NGC 1975"、和"NGC 1977"。其中最亮的星雲是威廉·赫歇爾於1786年發現的，後來被列為NGC 1977；包括旁邊的疏散星團NGC 1981，也是他發現的。他將其編目為"H V 30"並描述為"！！獵戶座42和星雲"。另兩個較小的反射星雲首先被德國天文學家注意到：NGC 1973在1862年，NGC 1975在1864年。這三個星雲都在1888年被列入NGC天體表。NGC 1977這個名稱在各種來源中用於獵戶座42（反射星雲的東南部）、整個反射星雲（包括NGC 1973和NGC 1975）或整個星雲複合體。 《獵戶之劍》中的整個區域後來也被編入獵戶座1c。在1966年，van den Bergh將包括Sh2-279在內的反射星雲的弱聚類區分為"獵戶座 R2"。出現在沙普利斯亮星雲表中的每個反射星雲]]首先在的藍色乾板上被識別出來，然後在紅色乾板進行雙重檢查，以消除可能的乾板故障。Van den Berg發現，在獵戶座大星雲周圍有大量新的金牛T星，並逐漸變細地接近與進入Sh2-279的尾巴。 跑者星雲（Running Man Nebula）因為它靠近獵戶座星雲，並且附近有許多引導星，所以是業餘天文攝影的熱門目標。儘管中、小口的望遠鏡可以看見反射星雲本身，但跑者的輪廓主要出現在照片中，通過光學望遠鏡很難從視覺上感知。
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1.0
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~7.5 ly , 2 ly
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9196