IC 1805 Heart Nebula (Flemming Kristensen)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD14328 · HD14510 · HD14552 · HD14558 · HD14695 · HD14794 · HD14817 · HD15069 · HD15238 · HD15239 · HD15250 · HD15382 · HD15522 · HD15557 · HD15558 · HD15570 · HD15629 · HD15665 · HD15785 · HD15851 · HD16183 · HD16410 · HD16429 · HD16506 · HD16626 · HD16799 · HD16894 · HD236966 · HD236986 · HD236989 · And 40 more.

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IC 1805 Heart Nebula

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IC 1805 Heart Nebula

The Heart Nebula is a large star forming region in the constellation Cassiopeia. Comprised mostly of hydrogen, but with some triple ionized oxygen thrown in, it is hosting an open cluster of relatively young stars, which are responsible for the energy that makes the gasses glow, as well as dark, dense regions where new stars are being formed. With an apparent diameter of more than 3 degrees and a distance of about 7500 lightyears it fills up an enormous volume of space almost 400 lightyears across.

Together with its neighbor, the Soul Nebula, it is one of the most spectacular nebulosities in the northern sky.

The image could use some more exposure time, but the weather has been awfully cloudy for for the past month, so here it is...

TS-Optics or SharpStar 94EDPH
Cooled Color Cams
Deep Sky Northern Hemisphere
IOptron CEM
Affinity Photo for Astrophotography users
ZWO ASI 2600MC PRO
The refractors!
Astrophotographers Denmark
Open Star Clusters
The OSC Club (One Shot Camera)

Please note: The following tables are updated every 24 hours.

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	6621262
PixInsight job	QFC0U91JS5GKNN04N31F404111Z7IR88
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h34m24s.40
RA (top/left)	02h49m03s.42
RA (top/right)	02h21m12s.20
RA (bottom/right)	02h20m35s.18
RA (bottom/left)	02h46m35s.60

Dec (center)	+61°21′57″.3
Dec (top/left)	+62°15′32″.1
Dec (top/right)	+62°32′36″.3
Dec (bottom/right)	+60°22′41″.9
Dec (bottom/left)	+60°06′54″.4

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IC 1805 Heart Nebula

IC 1805 Heart Nebula

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Image Index:

Contribution Index (beta):

IC 1805 Heart Nebula

IC 1805 Heart Nebula

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Acquisition details

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Sky plot

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