Messier 33 - The Triangulum Galaxy - Spiral galaxy 2.73 million light-years (ly) from Earth. (Chris Turner)

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 · Triangulum Pinwheel

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Messier 33 - The Triangulum Galaxy - Spiral galaxy 2.73 million light-years (ly) from Earth.

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Messier 33 - The Triangulum Galaxy - Spiral galaxy 2.73 million light-years (ly) from Earth.

I captured this from my backyard Observatory in Upper Tantallon, Nova Scotia, Canada.

Primary Camera: QSI WSG 683

Guide Camera: Off Axis Guider, Orion Starshoot

Guiding Software: PHD2 /ASCOM

Acquisition software: Sequence Generator Pro /EQMOD ASCOM

Optical Tube Assembly: Maksutov Newtonian

Focal Length: 1000mm, F5.3

Image processing Software: PixInsight 1.8.x

Workflow: Blink, Subframe Selector, Batch Preprocessing, Dynamic Crop, ChannelCombination, Dynamic Background Extraction, BackgroundNeutralization, PhotometricCalibration, Deconvolution with supporting masks and PSF, MultiLinearTransformation, Histogram Stretch with a ScreenTransfer Function to the Histogram with minor tweeks, TGVDNoise Reduction, LocalHistogram Equalization, Curves Transformation Adjustments, Saturation tweeking, MultiLinear Transformation and a final Morphological Transformation. Final saved as an .xisf with conversion to .JPG and .PNG for sharing on Astrobin, Facebook Etc....

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	Advanced success
Started	...
Astrometry.net job	3469240
PixInsight job	24YOIFBSM59YLK98BYWVR9XPMM1FB0F6
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h34m01s.78
RA (top/left)	01h31m37s.57
RA (top/right)	01h33m12s.50
RA (bottom/right)	01h36m24s.83
RA (bottom/left)	01h34m51s.98

Dec (center)	+30°35′20″.7
Dec (top/left)	+30°55′23″.3
Dec (top/right)	+30°00′01″.2
Dec (bottom/right)	+30°15′09″.3
Dec (bottom/left)	+31°10′38″.6

Image Index:

Contribution Index (beta):

Messier 33 - The Triangulum Galaxy - Spiral galaxy 2.73 million light-years (ly) from Earth.

Messier 33 - The Triangulum Galaxy - Spiral galaxy 2.73 million light-years (ly) from Earth.

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Image Index:

Contribution Index (beta):

Messier 33 - The Triangulum Galaxy - Spiral galaxy 2.73 million light-years (ly) from Earth.

Messier 33 - The Triangulum Galaxy - Spiral galaxy 2.73 million light-years (ly) from Earth.

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Acquisition details

Description

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