IC1318a (Bernard DELATTRE)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: LBN 236 · LBN 239 · LBN 240 · LBN 241 · LBN 248 · LBN 251 · LBN 259 · LDN 888 · LDN 891 · LDN 892 · LDN 893 · LDN 894 · LDN 895

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IC1318a

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IC1318a

Cet objet est une nébuleuse en émission située dans la constellation du Cygne à une déclinaison de +42 degrés. Elle fait partie du grand complexe de nébuleuses Gamma Cygni (IC 1318).

IC 1318 a cinq segments désignés différents, nommés de a à e. Les parties de la nébuleuse qui sont normalement imagées comme la nébuleuse du papillon sont les parties d et e, mais ce n'est pas ce qui est montré ici.

L'objet montré ici se trouve légèrement au nord et à l'ouest de la nébuleuse du papillon. Sa désignation a été source de confusion. Vous verrez parfois cet objet référencé comme IC 1318a, mais il s'agit en fait d'IC 1318b. Il est également désigné comme LBN 251.

Text Gary IMM

G

Description: moyenne géométrique des images précédentes

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H

Description: RGB stars, et utilisation de EZ stars réduction

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I

Description: combinaisons dynamiques à bande étroite.

https://telescope.live/blog/dynamic-narrowband-combinations-pixelmath

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J

Description: synthèse des versions précédentes

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Description: réglages de couleurs avec GHS (PixInsight)

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The refractors!
CMOS Imagers
N.I.N.A. Users
Narrowband imaging
PixInsight Addicts
TS-Optics or SharpStar 94EDPH
ZWO ASI1600MM/QHY163M

0a.Most Recent
2b.NarrowBand S2-Ha-OIII
Ctlg IC (complémentaire NGC)
Nébuleuses diffuses par émission & réflexion

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	6098401
PixInsight job	DZ8NX3OJG4OS925KDNMUTG58OQBCPGOB
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h17m03s.10
RA (top/left)	20h21m46s.23
RA (top/right)	20h21m52s.92
RA (bottom/right)	20h12m09s.37
RA (bottom/left)	20h12m23s.80

Dec (center)	+41°50′11″.9
Dec (top/left)	+40°38′44″.9
Dec (top/right)	+43°01′23″.4
Dec (bottom/right)	+43°00′51″.3
Dec (bottom/left)	+40°38′11″.9

Image Index:

Contribution Index (beta):

IC1318a

IC1318a

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Image Index:

Contribution Index (beta):

IC1318a

IC1318a

Equipment

Acquisition details

Description

Comments

Revisions

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H

I

J

M

Sky plot

Histogram

In these public groups

In these collections

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