NGC7023 (Marcel & Rahel)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD200099 · HD200775 · Iris Nebula · LBN 475 · LBN 487 · LDN 1167 · LDN 1168 · LDN 1170 · LDN 1171 · LDN 1172 · LDN 1173 · LDN 1174 · NGC 7023 · T Cep

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NGC7023

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NGC7023

NGC7023 the mighty Iris Nebula. The Iris Nebula is one of many nebulae in the night sky with a common name associated with a flower. This dramatic reflection nebula resides in the constellation Cepheus and includes plenty of dark interstellar dust in the area. NGC 7023 is actually the star cluster within the nebula, but the cluster and the reflection nebula are one in the same. The nebula gets its trademark glowing blue appearance thanks to SAO 19158, the star responsible for lighting it up.

(35 x 600s)
(5.8h total)

ZWO ASI2600MC Pro
ZWO ASIAIR Pro
Skywatcher Esprit 100
Skywatcher EQ6-R Pro
Astropixelprocessor & Photoshop
Antlia ALP-T Dualband 5nm (Ha & OIII)

#NGC7023 #Iris #asicamera #astrophoto #switzerland #luzern #astronomy #science #nasa #skywatcher #ASI2600 #EQ6 #asiair #deepspace #ZWOASI #universe #deepspaceobject #nebula #AGL #deepskyphotography #deepsky #astrobackyard #stars #backyardastronomy #galaxy #backyardastrophotography #outdoors #Nature @OPTeam @OPTcorp @astronomypicturesdaily @photographingspace @universetoday @zwoasi @asiweek @astrobin @Antlia @telekop_service

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	5667370
PixInsight job	E4X3KS0WSAR3ENP5IF9NCZF3K78OVJR0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h01m37s.35
RA (top/left)	20h54m05s.57
RA (top/right)	20h52m08s.16
RA (bottom/right)	21h08m21s.15
RA (bottom/left)	21h12m03s.49

Dec (center)	+68°10′00″.2
Dec (top/left)	+69°26′10″.3
Dec (top/right)	+67°02′48″.1
Dec (bottom/right)	+66°52′46″.4
Dec (bottom/left)	+69°15′00″.3

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NGC7023

NGC7023

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Image Index:

Contribution Index (beta):

NGC7023

NGC7023

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