Sh2 261 Lower's Nebula (Jerry Yesavage)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: LBN 862 · LBN 863 · LBN 864 · LDN 1587 · Sh2-261

Sh2 261 Lower's Nebula

Another redo with my new equipment. Focus on central part.

From GalaxyMap:

The HII region Sh 2-261 is often called Lower's nebula because it appears on a photographic plate taken by the father-and-son team of Harold and Charles Lower in 1939.

Appears to be associated with the O7.5V star HD 41997.[2]

HD 41997 is a runaway star.[3]

BFS incorrectly lists Sh 2-261 as a supernova remnant. [4]
This is my collection:

Sharpless2

Wide-Angle Hydrogen Alpha Nikon Image Sh2 79-171

Please note there is also a Sharpless2 Group with now more than 1500 examples.

Sharpless2 Group

Other useful links include:

Gary Imm's Collection

GalaxyMap's Collection

The Sharpless Catalog

The MDW H-alpha Sky Survey

Reiner Vogel's detailed observing catalog

Hope you enjoy these obscure but interesting objects...

Final
Original
C

C

Title: Crop 75%

Uploaded: ...

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Sharpless2 Objects
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ASI 6200 MM Pro
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Sharpless2 Objects

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Status	Advanced success
Started	...
Astrometry.net job	5489761
PixInsight job	MKFM1JR6TFE7XOZ71EA2QSENL7F57GUA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h08m55s.616
RA (top/left)	06h06m04s.861
RA (top/right)	06h11m47s.400
RA (bottom/right)	06h11m47s.491
RA (bottom/left)	06h06m03s.524

Dec (center)	+15°42′16″.38
Dec (top/left)	+15°14′42″.18
Dec (top/right)	+15°14′45″.85
Dec (bottom/right)	+16°09′48″.31
Dec (bottom/left)	+16°09′41″.79

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Sh2 261 Lower's Nebula

Sh2 261 Lower's Nebula

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Sh2 261 Lower's Nebula

Sh2 261 Lower's Nebula

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