SH2-115, SH2-116 -- SHO+RGB (Randy Lindstrom)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD195711 · HD195965 · HD196018 · HD196090 · HD196178 · HD196196 · HD196865 · LBN 357 · LBN 358 · LBN 362 · LBN 367 · LBN 368 · LBN 372 · LBN 375 · LBN 376 · LBN 380 · LBN 381 · PK085+04.1 · Sh2-115 · Sh2-116

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SH2-115, SH2-116 -- SHO+RGB

Powered byPixInsight

SH2-115, SH2-116 -- SHO+RGB

Acquisition Dates: July 14-22, 2022

Frames -- All gain 100,  -5°C, bin 1x1:
Red: 85x60" (1h 25')
Green: 91x60" (1h 31')
Blue: 72x60" (1h 12')
Ha: 57x300" (4h 45')
OIII: 97x300" (8h 5')
SII: 74x300" (6h 10')

Integration: 23h 8'

Bortle Dark-Sky Scale: 4

This is a narrowband SHO image with RGB stars replacing the narrowband stars.

Sharpless 2-115, shown in the upper portion of the image, is an emission nebula lying along the edge of one of the outer Milky Way’s giant molecular clouds (lower part of image), about 7,500 light-years away. Hot stars in the cluster, Berkeley 90, power the nebula’s glow. The cluster stars are young -- only 100 million years old or so. The small round nebula is Sh2-116. The nebula is also cataloged as PK 085+04.1, PNG 084.9+04.4 and Abell 71. Initially cataloged as a planetary nebula, more recently it's been thought to be a small patch of HII emission. The HASH PN data base currently lists its status as "True PN."

Imaged with Voyager
NOVAC

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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
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	6061757
PixInsight job	HWNLJ48SRNT45FK2MBJQXRK6SXTEK219
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h35m52s.44
RA (top/left)	20h30m00s.79
RA (top/right)	20h39m38s.56
RA (bottom/right)	20h41m59s.99
RA (bottom/left)	20h31m54s.10

Dec (center)	+47°29′44″.1
Dec (top/left)	+46°21′23″.5
Dec (top/right)	+46°07′24″.2
Dec (bottom/right)	+48°36′54″.6
Dec (bottom/left)	+48°51′35″.8

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SH2-115, SH2-116 -- SHO+RGB

SH2-115, SH2-116 -- SHO+RGB

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Image Index:

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SH2-115, SH2-116 -- SHO+RGB

SH2-115, SH2-116 -- SHO+RGB

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Acquisition details

Description

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