The Eye of the Lion - Sh2-132 (Timothy Martin)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: LBN 471 · LBN 473 · LDN 1154 · LDN 1161 · LDN 1163 · Sh2-132

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The Eye of the Lion - Sh2-132

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The Eye of the Lion - Sh2-132

A tight view of the central region of the Lion nebula, Sh2-132. Besides being a gorgeous region to photograph, it's an interesting emission region because it's been sculpted, at least in part, by an unusual Wolf-Rayet system, namely WR 153ab. WR 153ab is actually a complex system comprising two binary-star pairs. WR 153ab lights up this entire region of Sh2-132, ionizing the nebula's gasses with its extreme stellar wind. The interior bubble around WR 153ab is expanding with a velocity as high as 100,000mph (36 to 45km/s) as a result of that radiation. The revision shows the location of WR 153ab. The main star in WR 153ab is 60 times the size of the sun, has a surface temperature three times as hot, and is a whopping 5,000 times as bright as our little star.

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Title: WR 153ab Annotated

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Status	Advanced success
Started	...
Astrometry.net job	8677080
PixInsight job	P095WUIZXVIFK0YPRI4HA6FNYM94VMPZ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h18m59s.169
RA (top/left)	22h22m00s.509
RA (top/right)	22h15m59s.999
RA (bottom/right)	22h15m59s.999
RA (bottom/left)	22h21m56s.624

Dec (center)	+56°05′41″.69
Dec (top/left)	+56°19′27″.20
Dec (top/right)	+56°19′51″.63
Dec (bottom/right)	+55°51′42″.89
Dec (bottom/left)	+55°51′13″.40

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The Eye of the Lion - Sh2-132

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