M33 (Frank Colosimo)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: IC 131 · IC 132 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · Triangulum galaxy

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M33

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M33

Messier 33 (M33, NGC 598, Triangulum Galaxy) is a magnitude 5.7 spiral galaxy in the constellation Triangulum. It is about 3 million light years from Earth and is the largest member of the Local group of galaxies which includes our own Milky Way. A good observer under pristine dark skies can see it visually but it is quite diffuse and can be difficult to see much detail through telescopes in more light polluted areas.

Imaging data:

Date: Dec 2009 Processed Nov 2018

Location: New Ringgold PA

Optics: Takahashi FSQ 106ED at f/5

Mount: Paramount ME

Camera/Filters: Apogee Alta U8300 FLI CFW-2-7 FLI Filters

Guiding: Orion Starshoot Autoguider in Orion ST-80

Exposure: Luminance: 22x5 minutes, R:10x5 min G:11x5 min B:11x5 min HA:12x6 min unbinned for a total of 5.7 hours

Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing using Photoshop.

Cloudy Nights
Northeast Imagers

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
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.

Status	Advanced success
Started	...
PixInsight job	6L9FIOZRV5N0VJR82P2RF55EWKOSI2IZ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h33m51s.56
RA (top/left)	01h33m39s.25
RA (top/right)	01h39m00s.57
RA (bottom/right)	01h34m04s.16
RA (bottom/left)	01h28m44s.23

Dec (center)	+30°38′27″.9
Dec (top/left)	+29°30′21″.6
Dec (top/right)	+30°53′58″.6
Dec (bottom/right)	+31°46′34″.0
Dec (bottom/left)	+30°22′11″.9

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