NGC 6791, an ancient open cluster in Lyra, with a hint of IFN (darkdesertdome)

Celestial hemisphere: Northern · Constellation: Lyra (Lyr) · Contains: 20 Lyr) · 20 eta Lyr · 21 Lyr · 21 tet Lyr · Aladfar · NGC 6791 · PGC 166606 · PGC 2092666 · PGC 2105834 · PGC 2115380 · PGC 2115816 · PGC 2115912 · PGC 2121028 · PGC 2124962 · PGC 2125679 · PGC 2128246 · PGC 2128449 · PGC 2136490 · PGC 2137150 · PGC 2141310 · PGC 2141533 · PGC 2142345 · PGC 2142919 · PGC 2146701 · PGC 2148450 · PGC 3097200 · PGC 63067 · The star Aladfar (η Lyr · The star θ Lyr

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NGC 6791, an ancient open cluster in Lyra, with a hint of IFN

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NGC 6791, an ancient open cluster in Lyra, with a hint of IFN

NGC 6791 is an interesting object, representing one of the oldest open star clusters in the Milky Way and estimated at 8.2 +/- 0.3 billion years old (see McKeever JM, et al. ApJ;874:180). While not necessarily the most stunning astrophotographic target, it has been heavily studied and was a subject of investigation for the Kepler mission to find exoplanets. I am not an astronomer but wonder whether JWST will also gaze in its direction one day.

I took this on a single night from my backyard, while waiting for another target to rise. I'm glad I did. It's a rather interesting image. I may have to revisit this under dark skies, as there is clearly a hint of integrated flux nebulosity in the background.

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
Image of the day
Top picks
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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.
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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	8100015
PixInsight job	3JNUXV16BGVAGTKIZEG30SPOQ37S8CR8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h18m06s.65
RA (top/left)	19h23m40s.22
RA (top/right)	19h20m41s.63
RA (bottom/right)	19h12m23s.52
RA (bottom/left)	19h15m37s.38

Dec (center)	+38°18′56″.2
Dec (top/left)	+37°18′39″.8
Dec (top/right)	+39°42′57″.3
Dec (bottom/right)	+39°18′04″.0
Dec (bottom/left)	+36°54′40″.3

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NGC 6791, an ancient open cluster in Lyra, with a hint of IFN

NGC 6791, an ancient open cluster in Lyra, with a hint of IFN

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NGC 6791, an ancient open cluster in Lyra, with a hint of IFN

NGC 6791, an ancient open cluster in Lyra, with a hint of IFN

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