Sh2-115 & Sh2-116 (Michel Makhlouta)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: PK085+04.1 · Sh2-115 · Sh2-116

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Sh2-115 & Sh2-116

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Sh2-115 & Sh2-116

Sharpless 115, the faint emission nebula, lies along the edge of one of the outer Milky Way's giant molecular clouds, about 7,500 light-years away. The nebular glow is powered by hot stars in star cluster Berkeley 90. The cluster stars are likely only 100 million years old or so and are still embedded in Sharpless 115.

SH2-116 is a small nebula, also known as Abell 71, was first classified as a planetary nebula but recent studies show it to be an HII region instead, and is classified as an emission nebula. The nebula surrounding SH2-116 is part of SH2-115.

This project took most of my clear nights in June, and not only three days. I've collected the OIII data during an astro retreat in a Bortle 4 area, but it ended up cloudy and started raining on our gear. So, Ha and SII were collected from my balcony, 2-3 hours per night while the target was in my field of view.

Clear skies, and stay safe!

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	4726042
PixInsight job	BLWPRI5HG2JLWBCDUYZCC6OZIOXU4KUC
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h33m14s.130
RA (top/left)	20h29m08s.310
RA (top/right)	20h34m47s.772
RA (bottom/right)	20h37m21s.800
RA (bottom/left)	20h31m38s.217

Dec (center)	+47°01′17″.95
Dec (top/left)	+46°56′01″.67
Dec (top/right)	+46°22′09″.71
Dec (bottom/right)	+47°06′01″.59
Dec (bottom/left)	+47°40′21″.17

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Sh2-115 & Sh2-116

Sh2-115 & Sh2-116

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Image Index:

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Sh2-115 & Sh2-116

Sh2-115 & Sh2-116

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