Elephant Trunk Nebula with NBZ | False SHO (Andy Lubel)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B160 · B161 · B162 · B163 · B365 · B367 · Erakis · IC 1396 · LBN 443 · LBN 451 · LBN 452 · LBN 455 · LBN 456 · LBN 457 · LDN · LDN 1083 · LDN 1085 · LDN 1087 · LDN 1088 · LDN 1090 · LDN 1092 · LDN 1093 · LDN 1095 · LDN 1096 · LDN 1098 · LDN 1099 · LDN 1101 · LDN 1102 · LDN 1103 · LDN 1104 · And 22 more.

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Elephant Trunk Nebula with NBZ | False SHO

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Elephant Trunk Nebula with NBZ | False SHO

I am having so much fun with this target; I decided to spend the last days of September (9/26-10/2) taking as many 60 second exposures as possible with the RASA and this excellent NBZ filter setup. I am using NormalizedScaleGradient before ImageIntegration for these types of images.

Process:

Split RGB
R=HA, PixelMath max(G,B) = OIII (reference)
Linear Fit OIII as a reference applied to HA
EZ Denoise (defaults) for HA, OIII
EZ Soft Stretch HA, OIII
PixelMath combine R=Ha; G=(Ha+OIII)/2; B=OIII
StarXterminator (experimenting with this vs. StarNet, the result was MUCH better)
CurvesTransformation RGB/K, Saturation
Create Luminance Mask
ColorSaturation (target the orange and blue)
DarkStructureEnhance (very light)
LocalHistogramTransformation (very light)
Combine Image+Stars

Final
Original
C

C

Description: Cropped and zoomable

Uploaded: ...

NOVAC

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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	5088012
PixInsight job	2NWMP7FRFH0BU74TQ79GFRWNGMJTNJDW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h38m35s.26
RA (top/left)	21h46m03s.10
RA (top/right)	21h46m27s.28
RA (bottom/right)	21h30m26s.70
RA (bottom/left)	21h31m21s.19

Dec (center)	+57°27′07″.1
Dec (top/left)	+55°51′29″.8
Dec (top/right)	+59°02′12″.3
Dec (bottom/right)	+59°00′47″.5
Dec (bottom/left)	+55°50′17″.3

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Elephant Trunk Nebula with NBZ | False SHO

Elephant Trunk Nebula with NBZ | False SHO

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Image Index:

Contribution Index (beta):

Elephant Trunk Nebula with NBZ | False SHO

Elephant Trunk Nebula with NBZ | False SHO

Equipment

Acquisition details

Description

Comments

Revisions

C

Sky plot

Histogram

In these public groups

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