Heart & Soul (Warren A. Keller)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1795 · IC 1805 · IC 1831 · IC 1848 · NGC 1027 · NGC 896

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Heart & Soul

Link: http://www.billionsandbillions.com/veil.html

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Heart & Soul

Link: http://www.billionsandbillions.com/veil.html

IC 1805 and IC 1848 and surrounds in Cassiopeia, located about 6,000 light-years from Earth, the Heart and Soul nebulae form a vast star-forming complex of mostly Hydrogen-alpha gas, glowing at 656.3 nanometers. The larger nebula to the upper-right is the Heart, designated IC 1805 and named for its obvious resemblance to the human heart. At lower-left is the Soul nebula, also known as the Embryo, IC 1848. The nebulae are both massive star-making factories, marked by giant bubbles, blown into surrounding dust by radiation and winds from the stars. These stars are less than a few millions of years old, as compared to our Sun, which is nearly 5,000,000,000 years old. Many thanks to my friend Dr. Ron Brecher of the Dog House Observatory for acquiring this fine data!

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

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
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

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
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
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.

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	4048908
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Heart & Soul

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Heart & Soul

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