NGC281 "Pacman" Nebula (Maurizio Cabibbo)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: NGC 281

NGC281 "Pacman" Nebula

NGC281, detta anche Nebulosa "Pacman", è una nebulosa ad emissione nella costellazione di Cassiopeia e circonda l'ammasso centrale IC1590. Dista dalla Terra circa 10.000 anni luce, Immagine ripresa con Rifrattore Apocromatico Takahashi TOA130 e camera Ccd Sbig STL11000 su montatura Losmandy G11. Autoguida Orion SSAG su SW 70/500. Elaborazione LHRGB. L Astronomik CLS CCD 21x900sec; Ha Astrodon 6nm 27x1200sec; RGB Astrodon 7x900sec. Software MaximDL, PixInsight, PS CS5. Località di ripresa Casole d'Elsa - Siena

NGC281 , also called " Pacman " Nebula , is an emission nebula in the constellation of Cassiopeia and surrounding the central cluster IC1590 . It is about 10,000 light years from Earth , Image taken with Takahashi Apochromatic Refractor TOA130 and Ccd SBIG STL11000 on Losmandy G11 mount . Autoguide Orion SSAG on SW 70/500 . LHRGB processing . L Astronomik CLS CCD 21x900sec ; Ha Astrodon 6nm 27x1200sec ; RGB Astrodon 7x900sec . Software MaximDL , PixInsight , PS CS5 . Location Casole d' Elsa - Siena - Italy

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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
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Star trails
Northern lights
Noctilucent clouds
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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
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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	769104
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC281 "Pacman" Nebula

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