SH2-171 HOO (Sergiy_Vakulenko)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: NGC 7762 · NGC 7822 · PK118+02.1 · PK119+06.1 · Sh2-171 · VdB2

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SH2-171 HOO

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SH2-171 HOO

Hot, young stars and cosmic pillars of gas and dust seem to crowd into NGC 7822. At the edge of a giant molecular cloud toward the northern constellation Cepheus, the glowing star forming region lies about 3,000 light-years away. Within the nebula, bright edges and dark shapes stand out in this colorful skyscape. The image includes data from narrowband filters, mapping emission from atomic oxygen and hydrogen into blue and red hues. The atomic emission is powered by energetic radiation from the central hot stars. Their powerful winds and radiation sculpt and erode the denser pillar shapes and clear out a characteristic cavity light-years across the center of the natal cloud. Stars could still be forming inside the pillars by gravitational collapse but as the pillars are eroded away, any forming stars will ultimately be cutoff from their reservoir of star stuff. This field of view spans over 40 light-years at the estimated distance of NGC 7822.

Final
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Description: Starless version

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C

Description: Just for fun I added my previous image of SH2-171 inside widefield one.

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Narrowband imaging
Sharpless2 Objects
Sony 694 Images

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Status	Advanced success
Started	...
Astrometry.net job	4046750
PixInsight job	FE7FN2U99YTOU1M0ZXXSEDJYBIE27HVC
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	00h01m32s.83
RA (top/left)	00h17m23s.41
RA (top/right)	00h26m30s.68
RA (bottom/right)	23h41m42s.90
RA (bottom/left)	23h41m00s.50

Dec (center)	+67°28′18″.3
Dec (top/left)	+64°44′01″.4
Dec (top/right)	+69°40′56″.2
Dec (bottom/right)	+70°05′22″.9
Dec (bottom/left)	+65°03′48″.5

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SH2-171 HOO

SH2-171 HOO

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SH2-171 HOO

SH2-171 HOO

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