IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula (AllAboutRefractors)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1848 · IC 1871

IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula, AllAboutRefractors

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IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula

Powered byPixInsight

IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula

IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula in the Hubble Palette

Taken November 25, 26, 27, 28 and 29, 2015 near North Bend, WA.

Telescope: TEC 180FL @ f/5 using an Astro-Physics Quad-TCC reducer

Camera: QSI 683 wsg-8

Guide Camera: Starlight Xpress Lodestar Autoguider

Mount: Astro-Physics 900

Exposure: This is a narrowband four-panel mosaic, consisting of the following exposure times:

Ha:

Panel 1: 255 minutes (17 * 15 min, bin 1x1)

Panel 2: 255 minutes (17 * 15 min, bin 1x1)

Panel 3: 255 minutes (17 * 15 min, bin 1x1)

Panel 4: 270 minutes (18 * 15 min, bin 1x1)

OIII:

Panel 1: 240 minutes (16 * 15 min, bin 1x1)

Panel 2: 240 minutes (16 * 15 min, bin 1x1)

Panel 3: 240 minutes (16 * 15 min, bin 1x1)

Panel 4: 225 minutes (15 * 15 min, bin 1x1)

SII:

Panel 1: 120 minutes (8 * 15 min, bin 1x1)

Panel 2: 120 minutes (8 * 15 min, bin 1x1)

Panel 3: 120 minutes (8 * 15 min, bin 1x1)

Panel 4: 120 minutes (8 * 15 min, bin 1x1)

Total Integration Time:

Each Panel: 615 minutes (10 hours 15 minutes)

Total Image: 2,460 minutes (41 hours)

Processed in PixInsight 1.8. I used the modified J-P Metsavainio tone map processing technique as described on the L'arciere celeste website to combine the narrowband color data. Additionally, I used PI's GradientMergeMosaic tool to combine the 4 different panels. The seeing was not good during this exposure run, so that created some processing challenges

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	Distinct awarded users	Total awarded images
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This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
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Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
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	Basic success
Started	...
Astrometry.net job	1950581
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula

IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula

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IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula

IC 1848 (Sh2-199 or Westerhout 5) - The Soul Nebula

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