SH2-115 & SH2-116 - Emission Nebulae in Cygnus (Fran D.)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD195338 · HD195711 · HD195965 · HD196018 · HD196090 · HD196178 · HD196196 · HD196330 · HD196865 · LBN 352 · LBN 357 · LBN 358 · LBN 362 · LBN 367 · LBN 368 · LBN 372 · LBN 375 · LBN 376 · LBN 380 · LBN 381 · LDN 939 · PK085+04.1 · Sh2-115 · Sh2-116

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SH2-115 & SH2-116 - Emission Nebulae in Cygnus

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SH2-115 & SH2-116 - Emission Nebulae in Cygnus

Sharpless 115 (SH2-115), is the large, blue emission nebula in the upper left corner of the image, approximately 7,500 light years away. It is dominated by OIII emission, ionized by the very young stars in the open cluster cataloged as Berkeley 90.

Directly below is a small round blue object that was thought for decades to be a planetary nebula (PK085+04.1), but has recently been determined to be a small emission nebula, cataloged as SH2-116.

The Ha and SII signal is very strong in the region, while the OIII signal is much weaker, and confined mostly to the SH2-115 and SH2-116 regions.

Data was acquired over a four night span.

Narrowband imaging
Central USA
ZWO ASI294MM Pro Images
Sharpless2 Objects
The refractors!
Cloudy Nights

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Status	Advanced success
Started	...
Astrometry.net job	8437887
PixInsight job	2KY1QCNU9Q26QTWCGSD67863WUTR8IOV
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h34m53s.98
RA (top/left)	20h33m52s.24
RA (top/right)	20h44m41s.73
RA (bottom/right)	20h35m59s.99
RA (bottom/left)	20h25m17s.17

Dec (center)	+47°47′29″.5
Dec (top/left)	+46°06′33″.1
Dec (top/right)	+48°13′02″.7
Dec (bottom/right)	+49°28′25″.2
Dec (bottom/left)	+47°18′44″.0

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SH2-115 & SH2-116 - Emission Nebulae in Cygnus

SH2-115 & SH2-116 - Emission Nebulae in Cygnus

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Image Index:

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SH2-115 & SH2-116 - Emission Nebulae in Cygnus

SH2-115 & SH2-116 - Emission Nebulae in Cygnus

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