M33 (Tom Harrison)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: IC 135 · IC 142 · M 33 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

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M33

Link: http://www.manoprietoobservatory.com/gallery/galaxies/23

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M33

Link: http://www.manoprietoobservatory.com/gallery/galaxies/23

Object: M33

Constellation: Triangulum

Distance: 2.3 Million Light-Years

Magnitude: 5.7

Comments: M33, the Pinwheel Galaxy, also known as the Triangulum Galaxy is a face-on galaxy approximately 2.3 Million Light-Years distant. It can be seen in binoculars as a faint glow as its light is spread out over a large field of view. M33 is a member of the local group of galaxies and is the thrid largest at approximately 50,000 light-years in diameter. it is thought to be a satellite galaxy to M31, the Andromeda Galaxy. Its galactic arms appear turbulent with many HII regions glowing in red, and hot young blue star clusters. For a more detailed description of this object see Rob Gendler's essay HERE

Date: September 2005

Place: Asheville, NC

Exposure Details: LRGB: 240:60:60:60 at, Lumincance unbinned; RGB binned 2

Processing: Processed using Registar, Maxlm, and Photoshop CS

Optics: 12.5" RCOS Truss RC

Focal Length: 2122 at f6.8

Mount: Paramount ME

Camera: ST-10XME

Focuser: RCOS

Guiding: Internal chip

Filters: Tru-Balance LRGB 1 1/4"

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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
Artificial satellite

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.

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