M27 Ha-Hb-OIII-RGB Composite - The Dumbbell Nebula (andrea tasselli)

M27 Ha-Hb-OIII-RGB Composite - The Dumbbell Nebula

M27 or the first and the biggest of all the (4) PN in the Messier Catalog so it couldn't go amiss here. Needless to say I've image this PN countless times as I expect many have done before me and many will do after I will have finished with it. This composite is, in a way, a nod to the quadri-chromic paintings of Andy Warhol as well as an illustration of how different waveband compositions affect the rendering the final image in lieu of an actual esa-chromatic rendering which isn't feasible in RGB space. It is also the last Messier PN left in my historical archive to be unveiled. To be sure I will endeavour, whenever possible, to created a much deeper image than this one before your eyes but the aim of the image, for what was possible at that time, was about resolution rather than depth. Enjoy (it).

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Historical Archive (2003-2013)
Messier
Planetary Nebulae

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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.
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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.

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