IC 1795 SHO (Nébuleuse de la tête de Poisson - The Fish Head Nebula) (Christophe Monnier)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD14510 · HD15069 · IC 1795 · LBN 645 · LBN 646 · LBN 647 · LBN 648 · LBN 650 · LDN 1359 · NGC 896

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IC 1795 SHO (Nébuleuse de la tête de Poisson - The Fish Head Nebula)

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IC 1795 SHO (Nébuleuse de la tête de Poisson - The Fish Head Nebula)

IC 1795, aussi surnommée la nébuleuse de la tête de poisson, a été découverte par Edward Barnard vers 1890. D’une dimension d’environ 70 années-lumière de long, c’est une nébuleuse en émission située à environ 6 000 années-lumière dans la constellation de Cassiopée. Proche du double amas de Persée (NGC 869 et NGC 884) et de la nébuleuse du Cœur (IC 1805) ce complexe s’étend à travers le bras de Persée de notre Galaxie, la Voie lactée.

IC 1795 is an emission nebula located about 6,000 light-years away in the constellation Cassiopeia . It covers a field of about 20 arc minutes (approximately 70 light-years). Near the Perseus double cluster and nebula Heart (NGC 869 and NGC 884), at about 6000 light years from us, this complex extends through the Perseus arm of our Galaxy, the Milky Way.

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	8219789
PixInsight job	XOQFGVFLZGBOZSH9MGJNVUF1T3X3LXJB
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h26m45s.842
RA (top/left)	02h31m02s.960
RA (top/right)	02h26m29s.167
RA (bottom/right)	02h22m25s.836
RA (bottom/left)	02h27m01s.441

Dec (center)	+62°02′40″.96
Dec (top/left)	+61°53′54″.27
Dec (top/right)	+62°34′07″.36
Dec (bottom/right)	+62°10′59″.11
Dec (bottom/left)	+61°31′12″.42

Image Index:

Contribution Index (beta):

IC 1795 SHO (Nébuleuse de la tête de Poisson - The Fish Head Nebula)

IC 1795 SHO (Nébuleuse de la tête de Poisson - The Fish Head Nebula)

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Image Index:

Contribution Index (beta):

IC 1795 SHO (Nébuleuse de la tête de Poisson - The Fish Head Nebula)

IC 1795 SHO (Nébuleuse de la tête de Poisson - The Fish Head Nebula)

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