BAT & SQUID NEBULA (SH2-129) (Drew Evans)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD202214 · HD202380 · HD239618 · LBN 445 · LBN 449 · LBN 453 · Sh2-129

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BAT & SQUID NEBULA (SH2-129)

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BAT & SQUID NEBULA (SH2-129)

BAT & SQUID NEBULA (SH2-129)

The Bat & Squid Nebula is a relatively bright nebula of visual magnitude 10 in the constellation Cepheus at a distance of 9318 light years from Earth. It is one of the many beautiful H-alpha emitting objects that can be found in the Sharpless catalog.

The nebula is also known as Flying Bat Nebula. At the heart of the nebula, there is another nebula located, often referred to as Flying Squid Nebula (Ou4). This OIII emitting nebula was only recently discovered by the French amateur astrophotographer Nicolas Outters in 2011. Recent research seems to indicate that Ou4 is indeed located within Sh2-129. It is assumed that the nebula is getting it’s energy from a strong outflow from HR8119, a triple star system seen in the middle of the Flying Squid Nebula.

This image was taken over the span of several evenings, totaling 36 hours of data acquisition.

OTA: Askar 103APO Triplet Air-Spaced Refractor (103mm aperture, using .8x reducer, f/5.4 560mm focal length)
Mount: ZWO AM5
Camera: ZWO ASI2600MM Pro
Gain: 100
Cooling Temperature: -10 degrees celsius

Filters:
Chroma Ha 300s x 135 = 11.25 hours
Chroma Ha 600s x 25 = 4.2 hours
Chroma Oiii 600s x 123 = 20.5 hrs
36 hours total total acquisition time

Auto-guiding: ZWO ASI174MM Mini and ZWO OAG-L
Auto-focusing: ZWO EAF
Control: ZWO ASIAIR Pro

Calibrated in Astro Pixel Processor with flats, darks and dark flats. Processed in Pixinsight and Lightroom.

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Unknown

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Status	Advanced success
Started	...
Astrometry.net job	8457210
PixInsight job	59P6CX2MHXRXP5S9DNY7P87664JYU9KJ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h12m54s.16
RA (top/left)	21h18m14s.36
RA (top/right)	21h18m40s.47
RA (bottom/right)	21h07m15s.57
RA (bottom/left)	21h07m27s.44

Dec (center)	+59°57′56″.6
Dec (top/left)	+59°01′22″.2
Dec (top/right)	+60°53′08″.2
Dec (bottom/right)	+60°53′38″.8
Dec (bottom/left)	+59°01′59″.9

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BAT & SQUID NEBULA (SH2-129)

BAT & SQUID NEBULA (SH2-129)

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BAT & SQUID NEBULA (SH2-129)

BAT & SQUID NEBULA (SH2-129)

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