The Snuffulupagus ...I mean Homunculus Nebula and its place in the Eta Carinae Nebula (Alex Woronow)

Celestial hemisphere: Southern · Constellation: Carina (Car) · Contains: Carina Nebula · Foramen · HD303303 · HD303304 · HD303305 · HD303306 · HD303307 · HD303308 · HD303311 · HD303312 · HD303315 · HD303316 · HD305516 · HD305518 · HD305519 · HD305524 · HD93128 · HD93130 · HD93160 · HD93161 · HD93162 · HD93191 · HD93204 · HD93205 · HD93250 · HD93268 · HD93420 · HD93455 · NGC 3372 · eta Car · And 1 more.

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The Snuffulupagus ...I mean Homunculus Nebula and its place in the Eta Carinae Nebula

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The Snuffulupagus ...I mean Homunculus Nebula and its place in the Eta Carinae Nebula

Eta Carina and Homunculus Nebulae

OTA: CDK 24” Telescope Live CHI-1

The main image is the Eta Carinae nebula from the Southern hemisphere and an oversized box where the inserted Homunculus nebula occurs. This rendering combines the extracted Ha, SII, and OIII emission lines with the RGB channels all mapped to true color and blended with the RGB stacks. This Carinae nebula is best seen in Image B.

Image B features the Carinae Nebula rendered by combining the extracted Ha, SII, and OIII emission lines with the RGB channels, all mapped to true color and blended with the RGB stacks.

Image C is the Homunculus Nebula, a stunning bipolar nebula famously captured by HST. but it is very small: only 18 arcseconds across! Furthermore, it is associated with the brightest star in the field, Eta Carinae itself whose glair robs the Homunculus of much of its color and detail. This grayscale rendering is in OIII, the filter set that appeared to have the resolution (and smalles-appearing central star) to be worth an attempt to reveal the Homunculus Nebula. The famous HST image was shot through red and ultraviolet filters; the OIII line is in the blue-green, so the features will probably not be the same ones HST captured.

I hope you all enjoy these images….
Alex Woronow

Final
Original
B
C

B

Title: Eta Carina nebula sans Homunculus insert

Uploaded: ...

C

Title: Homunculus Nebula in OIII

Uploaded: ...

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	6338852
PixInsight job	UQ0K5I4AWBJ8XK8HM3M2O9HSL4EABNHR
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	10h45m05s.775
RA (top/left)	10h47m02s.433
RA (top/right)	10h43m13s.245
RA (bottom/right)	10h43m07s.316
RA (bottom/left)	10h46m59s.999

Dec (center)	-59°41′20″.35
Dec (top/left)	-59°26′59″.99
Dec (top/right)	-59°26′27″.88
Dec (bottom/right)	-59°55′35″.58
Dec (bottom/left)	-59°56′09″.35

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The Snuffulupagus ...I mean Homunculus Nebula and its place in the Eta Carinae Nebula

The Snuffulupagus ...I mean Homunculus Nebula and its place in the Eta Carinae Nebula

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The Snuffulupagus ...I mean Homunculus Nebula and its place in the Eta Carinae Nebula

The Snuffulupagus ...I mean Homunculus Nebula and its place in the Eta Carinae Nebula

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