NGC7023 - Iris Nebula ( Jason Guenzel )

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: NGC 7023

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NGC7023 - Iris Nebula

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NGC7023 - Iris Nebula

Imaging Telescopes Or Lenses: Celestron EdgeHD 8"
Imaging Cameras: ZWO ASI1600MM COOL
Mounts: Orion Atlas Pro AZ/EQ-G
Filters: Green · Red · Blue · Luminance
Accessories: Orion Thin Off-Axis Guider (TOAG) · Moonlite CHL 2.5" Large Format Crayford Edge Focuser · Celestron 0.7x Focal Reducer
Software: Sequence Generator Pro · Adobe Lightroom · PixInsight · Adobe Photoshop · PHD 2
Guiding Telescopes Or Lenses: Celestron EdgeHD 8"
Guiding Cameras: ZWO ASI120MM

Dates:: May 20, 2016 · May 30, 2016
Frames:: Blue: 151×20″(50′ 20″) (gain: 139.00) -20°C bin 1×1
Green: 130×20″(43′ 20″) (gain: 139.00) -20°C bin 1×1
Luminance: 81×180″(4h 3′) (gain: 0.00) -20°C bin 1×1
Red: 245×20″(1h 21′ 40″) (gain: 139.00) -20°C bin 1×1
Integration:: 6h 58′ 20″
Darks:: 50
Flats:: 50
Bias:: 250
Avg. Moon age:: 18.35 days
Avg. Moon phase:: 68.60%
Bortle Dark-Sky Scale:: 5.00

Basic astrometry details

Astrometry.net job: 1124508

RA center: 21h01m34s.8

DEC center: +68°09′57″

Pixel scale: 1.053 arcsec/pixel

Orientation: -92.602 degrees

Field radius: 0.394 degrees

Resolution: 2149x1628

File size: 1.7 MB

The moon's cycle convinced me to process what I had on this one since I won't get any darkness for a while. The data is a hodge-podge collection of different backfocus testing and sub lengths. Though I am fairly happy with the result, I do think it does need a bit more integration time on Luminance.

Cloudy Nights

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	Distinct awarded users	Total awarded images
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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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.
Dismissals 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	Basic success
Started	...
Astrometry.net job	1124508
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC7023 - Iris Nebula

NGC7023 - Iris Nebula

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NGC7023 - Iris Nebula

NGC7023 - Iris Nebula

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