Helix Nebula Bicolor HaHOO (Rodd Dryfoos)

Celestial hemisphere: Southern · Constellation: Aquarius (Aqr) · Contains: HD212980 · HD213055 · HD213056 · HD213069 · HD213070 · HD213500 · Helix Nebula · NGC 7293

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Helix Nebula Bicolor HaHOO

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Helix Nebula Bicolor HaHOO

This is a bicolor image using Ha for red and OIII for blue and green, with Ha added as a luminance. I was able to capture 3 hours of OIII and fortunatly OIII is pretty strong in planetary nebulae. I intend to add more data over the next week (supposed to have a few good nights)--but the weather is fickle indeed. I was luky to get 3 hours of OIII on a night forecasted for rain. I decided to post this image on its own page becuase I do like the Ha mono, and I like this bicolor, which is a bit rare for me. I plan on adding OIII to this image then Adding SII and make an HaSHO image, which, if it comes out decent, will get its own page. Seeing was OK during the OIII shoot--but the targets low position still kept FWHM values over 3. I am not crazy about the palette, but it seems to be about right for this target.

B

Description: Image07h2alt: came back on the outer regions just a tad

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C

Description: Image26b2: A reprocess with a redder palette and less of a size reduction

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D

Description: Final Bicolor2: Better details and contrast with original palette less reduced

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E

Description: Final Biolor3: A little bit of noise suppression in outer shells

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F

Description: Bicolor3a: a bit less green

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G

Description: end

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H

Description: Reprocess

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I

Description: z2

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Status	Advanced success
Started	...
Astrometry.net job	8051875
PixInsight job	LT3PE9NE1YMJNPB6UCSWC8X1A9TCG0F4
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h29m41s.48
RA (top/left)	22h27m13s.94
RA (top/right)	22h32m19s.64
RA (bottom/right)	22h32m08s.31
RA (bottom/left)	22h27m04s.33

Dec (center)	-20°49′27″.7
Dec (top/left)	-21°18′11″.2
Dec (top/right)	-21°15′05″.4
Dec (bottom/right)	-20°20′31″.1
Dec (bottom/left)	-20°23′40″.9

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Helix Nebula Bicolor HaHOO

Helix Nebula Bicolor HaHOO

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Helix Nebula Bicolor HaHOO

Helix Nebula Bicolor HaHOO

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Acquisition details

Description

Comments

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F

G

H

I

Sky plot

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