Cometary Globule CG4 - God's Hand ( Jan Scheers )

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Cometary Globule CG4 - God's Hand

Link: http://www.nachthemel.be/CG4.html

Imaging Telescopes Or Lenses: Planewave CDK24
Imaging Cameras: FLI PL09000
Mounts: Mathis Instruments MI-1000/1250
Filters: Astrodon Gen2 E-Series Tru-Balance Blue 50 mm · Astrodon Gen2 E-Series Tru-Balance Green 50 mm · Astrodon Gen2 E-Series Tru-Balance Lum 50 mm · Astrodon Gen2 E-Series Tru-Balance Red 50 mm
Software: Adobe Photoshop · Digital Image Solutions Astro Panel · Pleiades Astrophoto PixInsight · Russell Croman Astrophotography NoiseXTerminator · Russell Croman Astrophotography StarXTerminator · Topaz Labs Sharpen AI

Dates:: Dec. 3, 2022
Frames:: 90×600″(15h)
Integration:: 15h
Avg. Moon age:: 10.32 days
Avg. Moon phase:: 79.24%

RA center: 07h34m01s.997

DEC center: -46°57′24″.32

Pixel scale: 0.620 arcsec/pixel

Orientation: -1.136 degrees

Field radius: 0.372 degrees

WCS transformation: thin plate spline

More info:Open

Resolution: 3056x3056

File size: 2.1 MB

Locations: El Sauce Observatory, Rio Hurtado, Coquimbo Region, Chile

Data source: Amateur hosting facility

Remote source: Telescope Live

CG4, commonly referred to as God's Hand, is a star-forming region located in the Puppis constellation, about 1,300 light-years from Earth.
It is one of several objects referred to as "cometary globules", because its shape is similar to that of a comet.
It has a dense head formed of gas and dust, which is around 1.5 ly in diameter, and an elongated faint tail around 8 ly in length.

CG4, and the nearby cometary globules, generally point away from the Vela Supernova Remnant, located at the center of the Gum Nebula.
The gas in the cloud is heated by nearby young, hot massive stars, causing it to glow in infrared.

CG4 looks like a monster hand (or mouth) trying to grab a spiral galaxy.
The galaxy on the left (ESO 257-19) is huge & very far away (118 Mly) and is only placed near CG4 by chance superposition.

LHaRGB-image acquired with the Planewave CDK24 telescope and FLI PL09000 camera from Telescope Live in El Sauce Observatory in Chile.

Total integration time 900 minutes
LHaRGB: 18 sub-frames of 300s with each filter (L, H-alpha, R, G and OIII).
Dataset from Telescope Live

Processing with PixInsight (using AutoIntegrate.js), StaXTerminator, Photoshop CC with AstroPanel Pro, Astronomy Tools, Topaz Sharpen AI and NoiseXTerminator plug-ins.

Southern Hemisphere Astro
Telescope.live

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Status	Advanced success
Started	...
Astrometry.net job	6724026
PixInsight job	LPID91DUTROM8D2EG93CQ2CN1DL9V4T2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h34m01s.997
RA (top/left)	07h35m32s.130
RA (top/right)	07h32m28s.126
RA (bottom/right)	07h32m30s.928
RA (bottom/left)	07h35m36s.655

Dec (center)	-46°57′24″.32
Dec (top/left)	-46°41′17″.40
Dec (top/right)	-46°41′54″.25
Dec (bottom/right)	-47°13′27″.47
Dec (bottom/left)	-47°12′49″.25

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Cometary Globule CG4 - God's Hand

Cometary Globule CG4 - God's Hand

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Cometary Globule CG4 - God's Hand

Cometary Globule CG4 - God's Hand

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