Heart & Soul Nebulae (Andrei Gusan)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1795 · IC 1805 · IC 1824 · IC 1831 · IC 1848 · NGC 1027 · NGC 896 · Sh2-190 · Sh2-191 · Sh2-192 · Sh2-193 · Sh2-194 · Sh2-195 · Sh2-196 · Sh2-197 · Sh2-198 · Sh2-199 · Sh2-201

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Heart & Soul Nebulae

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Heart & Soul Nebulae

My biggest project so far: Heart & Soul Nebulae! This is a 2 panel image taken with RedCat51 APO telescope and a mono camera with narrow band filters. Over 34 hours of total integration time required to get this result. I handpicked 514 frames from many others, each of them with 4 minutes exposure.

The Heart and Soul are two bright emission nebulae from Cassiopeia constellation. The Heart Nebula is visible in on the bottom right, has a shape reminiscent of a classical heart symbol. The Soul Nebula on the upper left. Both nebulae shine brightly in the red light of energized hydrogen. In this three-color light emitted from sulfur, shown in reddish, and oxygen, shown in blue. Several young open clusters of stars are visible near the nebula centers. Light takes about 6,000 years to reach us from these nebulae, which together span roughly 300 light years. Studies of stars and clusters like those found in the Heart and Soul Nebulae have focused on how massive stars form and how they affect their environment.

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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	Advanced success
Started	...
Astrometry.net job	4048423
PixInsight job	4YGFN3DH0E674N5AGDH78VRGEJS2UORX
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h42m58s.59
RA (top/left)	03h03m20s.55
RA (top/right)	03h06m35s.18
RA (bottom/right)	02h20m00s.80
RA (bottom/left)	02h22m00s.94

Dec (center)	+61°22′00″.7
Dec (top/left)	+59°19′29″.7
Dec (top/right)	+63°05′00″.10
Dec (bottom/right)	+63°11′15″.3
Dec (bottom/left)	+59°25′37″.6

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Heart & Soul Nebulae

Heart & Soul Nebulae

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Heart & Soul Nebulae

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