IC1848 The Soul Nebula in Narrowband With RGB Stars, Multiyear Integration (Eshan Toorabally)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD17086 · HD17356 · HD17505 · HD17520 · HD17688 · HD17911 · HD17971 · HD18152 · HD18294 · HD18326 · HD18337 · HD18458 · HD18473 · HD18766 · HD18767 · HD237000 · HD237007 · HD237011 · HD237015 · HD237016 · HD237018 · HD237019 · HD237023 · HD237034 · HD237036 · HD237054 · IC 1848 · IC 1871 · LBN 667 · LBN 669 · And 8 more.

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IC1848 The Soul Nebula in Narrowband With RGB Stars, Multiyear Integration

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IC1848 The Soul Nebula in Narrowband With RGB Stars, Multiyear Integration

The Soul nebula, most commonly referred to as IC 1848, is situated in the constellation Cassiopeia and is about 6,500 light years from Earth, 1,000 light years closer than its neighbour, the Heart nebula (IC 1805).

This year's Soul was captured using two rigs, one using an OSC camera and one using narrowband filters. I then decided to combine the narrowband data with that I captured in previous years. This year's data added about 13 hours to the overall integration time...in one night!

I then decided to process in as "natural" a palette as I could muster, with the ratios being:

R: 67%*Ha + 33%*SII
G: OIII
B: OIII

Finally I added back the RGB stars from the OSC capture. Phew!

Thank you for looking!

Narrowband imaging
Suburban Astrophotography
ZWO ASI1600MM/QHY163M
UK Astro-Imaging
Imaged with Voyager
The refractors!
CMOS Imagers
Cloudy Nights
ZWO ASI 2600MC PRO
William Optics Fluorostar Series
Southern Hemisphere Astro

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Backyard
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Mix of multiple sources
Other
Unknown

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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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	6323196
PixInsight job	RMZ54F4O7V7E81CZGI3HR76Y1DTOWK6I
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h55m12s.39
RA (top/left)	03h04m28s.27
RA (top/right)	02h45m47s.86
RA (bottom/right)	02h46m24s.92
RA (bottom/left)	03h04m08s.57

Dec (center)	+60°24′08″.3
Dec (top/left)	+61°13′47″.3
Dec (top/right)	+61°12′19″.3
Dec (bottom/right)	+59°32′11″.6
Dec (bottom/left)	+59°33′33″.10

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IC1848 The Soul Nebula in Narrowband With RGB Stars, Multiyear Integration

IC1848 The Soul Nebula in Narrowband With RGB Stars, Multiyear Integration

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IC1848 The Soul Nebula in Narrowband With RGB Stars, Multiyear Integration

IC1848 The Soul Nebula in Narrowband With RGB Stars, Multiyear Integration

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