M57 - Ring Nebula (starlord)

Celestial hemisphere: Northern · Constellation: Lyra (Lyr) · Contains: IC 1296 · M 57 · NGC 6720 · Ring nebula in Lyra

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M57 - Ring Nebula

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M57 - Ring Nebula

Description

The Ring Nebula is a planetary nebula about 2,000 light years away in the Lyra constellation.

The image was taken from the city state of Singapore, a white zone area. Generally poor seeing coupled with high levels of light pollution, ambient temperature, and humidity make imaging very challenging.

That being said, M57 has an apparent magnitude of about 8.8 and has reasonably high surface brightness. I have seen it visually in an 8" SCT in Singapore as a faint ring.

The small star in the center of the nebula is a white dwarf, the stellar core remnant of the star that the nebula originated from. The white dwarf's faint luminosity comes from the emission of stored thermal energy; no fusion takes place in a white dwarf.

Acquisition

This was the first light image from a new setup comprising of an EdgeHD 9.25 and a Paramount MyT.

As I could not fit my OAG camera due to space constraints on this imaging train, I was forced to test the MyT's unguided performance. I was pleasantly surprised that I could manage 15s subs with hardly any wasted subs at this focal length (2250mm)! 30s subs resulted in having to discarding 20% due to tracking issues.

The MyT is certainly a step up from my old mounts!

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 success
Started	...
Astrometry.net job	2821758
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M57 - Ring Nebula

M57 - Ring Nebula

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Image Index:

Contribution Index (beta):

M57 - Ring Nebula

M57 - Ring Nebula

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Description

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