NGC 6888 the Crescent Nebula (Timothy Prospero)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · HD191257 · HD191396 · HD191424 · HD191472 · HD192003 · HD192020 · HD192041 · HD192078 · HD192079 · HD192102 · HD192123 · HD192163 · HD192182 · HD192303 · HD192361 · HD192422 · HD192443 · HD192444 · HD192536 · HD192744 · HD192766 · HD228413 · HD228543 · LBN 193 · LBN 203 · LBN 206 · LBN 208 · NGC 6888 · Sh2-105

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NGC 6888 the Crescent Nebula

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NGC 6888 the Crescent Nebula

NGC 6888 (also known as the Crescent Nebula or C 27) is a diffuse nebula visible in the southern part of the constellation Swan.

NGC 6888 It is located 2.5 degrees south-west of the star γ Cygni, immediately west of a very rich stellar field, in which objects such as M29 and IC 4996 are included. The most intense part of the nebula lies to the west, and forms an arc extending more in declination than in right ascension; this characteristic has caused the nebula to be called crescent, as it has a 'hump' to the west, like the Moon in its crescent phase. A telescope is needed to locate it, even one with a small aperture; binoculars barely allow a glimpse under clear sky conditions.

Again I'm testing out my knowledge in Acquisition and PP, which require a lot of time.

This one its around 12 hrs, of integration.

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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
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Star trails
Northern lights
Noctilucent clouds
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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	6212735
PixInsight job	FXB2L3C8W0YPZMISX5C5EPNU102UWYBS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h12m00s.96
RA (top/left)	20h15m06s.50
RA (top/right)	20h07m11s.69
RA (bottom/right)	20h09m00s.52
RA (bottom/left)	20h16m45s.78

Dec (center)	+38°20′19″.7
Dec (top/left)	+39°16′26″.7
Dec (top/right)	+38°55′47″.1
Dec (bottom/right)	+37°23′53″.4
Dec (bottom/left)	+37°44′07″.7

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NGC 6888 the Crescent Nebula

NGC 6888 the Crescent Nebula

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NGC 6888 the Crescent Nebula

NGC 6888 the Crescent Nebula

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