Sh2-87 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Sh2-87

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Sh2-87

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Sh2-87

This rarely imaged object is an emission nebula located 7500 light years away in the constellation of Vulpecula at a declination of +25 degrees. The nebula spans 15 arc-minutes in our apparent view, which corresponds to a width of 30 light years.

This object consists of a faint emission nebula with two bright condensations just above image center. Someone who was probably as creative as I am gave them their imaginative names of S87W (on the left) and S87E (on the right). They look a bit in size and shape like planetary nebulae to me, but they are actually small star clusters which are only really visible in the infrared. Infrared studies have identified that S87W has at least 30 stars and S87E has at least 100 stars.

While this is not a spectacular object, I like the deep colorful star field and the subtle accents that the Ha emission provides. Dim dark dust clouds are visible throughout the background.

Sharpless2 Objects
ZWO ASI183/QHY183
The refractors!
Cloudy Nights
Takahashi Refractors

HII-Dominated Nebulae
Sharpless Catalog (200/313)

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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
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Distribution of subject types

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	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

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	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	3071187
PixInsight job	AGPW0YUVSSV56JNZUBRTUZW437X7KWNB
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	19h46m24s.196
RA (top/left)	19h44m48s.166
RA (top/right)	19h48m01s.290
RA (bottom/right)	19h48m00s.792
RA (bottom/left)	19h44m47s.330

Dec (center)	+24°37′33″.11
Dec (top/left)	+24°22′50″.62
Dec (top/right)	+24°23′06″.79
Dec (bottom/right)	+24°52′08″.81
Dec (bottom/left)	+24°51′56″.21

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Sh2-87

Sh2-87

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Sh2-87

Sh2-87

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