C4 - NGC-7023 The Iris Nebula (Steve Argereow)

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

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C4 - NGC-7023 The Iris Nebula

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C4 - NGC-7023 The Iris Nebula

NGC 7023 - Iris Nebula -
Reflection NebulaNGC 7023 is a reflection nebula located in the west central section of the
far northern constellation of Cepheus. This nebula contains at its center an extremely young
star named V380 Cep (mag. +7.1), which is believed to have burst into life just 5,500 years ago.
Since incredibly young there is plenty of local dust surrounding the star, and when starlight
hits the dust it's reflected to become the visible nebula. NGC 7023 is 1,300 light years distant
and has a spatial diameter of 7 light-years

Information Credits: Home Free Star Charts

Telescope: Explorer Scientific 127mm CF APO Refractor f/7.5 (952mm Focal Length)
Explore Scientific X0.7 Reducer f/5.25 (667mm Focal Length)
Mount IOptron CEM40
Camera ZWOASI6200MC-Pro Temp -10C, Binning 1 x 1, Gain 100 Offset 50
ZWO EFW

36 X 240 Second Exposures W/Optolong L-Extreme Filter (6nm)
36 X 300 Second Exposures W/Optolong L-Extreme Filter (6nm)
9 X 600 Second Exposures W/Optolong L-Extreme Filter (6nm)
30 Dark Frames/30 Flats
Total Integration Time: 6 Hours 54 Minutes
Acquisition with SharpCap
Stacked with Astro Pixel Processor

Guiding PHD2
Processed with Astra Image
Photo taken from Seven Lakes, NC Bortle 4.5

North Carolina Astronomers
Optolong L-eXtreme filter
ZWO ASI 2600MC PRO
AstroBin Platform open discussions community forum

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	6424693
PixInsight job	SU6HH2FWQ630QW8P18KBL8Z80L3F5XFK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h01m13s.58
RA (top/left)	21h06m22s.22
RA (top/right)	21h06m19s.43
RA (bottom/right)	20h55m50s.30
RA (bottom/left)	20h56m22s.39

Dec (center)	+68°09′05″.0
Dec (top/left)	+67°36′11″.1
Dec (top/right)	+68°42′47″.1
Dec (bottom/right)	+68°41′20″.9
Dec (bottom/left)	+67°34′48″.8

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C4 - NGC-7023 The Iris Nebula

C4 - NGC-7023 The Iris Nebula

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C4 - NGC-7023 The Iris Nebula

C4 - NGC-7023 The Iris Nebula

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