LMC #7 - Emission Complexes N51, N55, N57 & environs (Large Magellanic Cloud) (Paul Lloyd)

LMC #7 - Emission Complexes N51, N55, N57 & environs (Large Magellanic Cloud)

Due north of the LMC’s main galactic bar lie several regions of considerable complexity. As this region
is at the leading edge of the LMC as it moves through space, its interaction with the interstellar medium
has spawned a menagerie of objects, including emission and reflection nebulae, star clusters,
“superbubbles”, supernova remnants, and so on.

This image centres on the regions known as N51 (lower right), N57 (lower centre), N55 (upper centre),
and the Dragon’s Head Nebula (NGC 2035, lower left). In the centre of the image are the open star
clusters with compact centres (NGC 2004, 2006 - double-centred, and 2002), with NGC 2003 at top right,
and NGC 2041 at far left centre. To the left of N57 is the small circular H-II emission nebula, NGC 2020.
Other small open clusters are also present. In the upper left is the compact cluster, NGC 2030, which
lies close to the supernova remnant, N63A.

There is a lot more in this field, much of which I haven’t been able to identify. The LMC is indeed a rich area
for DSO mining! Note: The nebulae catalogue numbering derives from Heinze's "Catalogue of Emission
Nebulae in the Large Magellanic Cloud".

Telescope: William Optics RedCat71 refractor (f = 350mm)?Camera: ZWO ASI183MC
Exposure: 65 x 300 sec, gain = 125, Optolong L-eNhance filter
Bortle 3-4 sky, 65% Moon, waning
?Field of View: approx. 1º 23’ x 1º 57’
?Image processed and prepared in PixInsight and Photoshop Elements

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	Basic failed
Started	...
Astrometry.net job	8693930
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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