Triangulum Galaxy (M33, NGC 598) (Greg Erianne)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9269 · HD9483 · HD9686 · 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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Triangulum Galaxy (M33, NGC 598)

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Triangulum Galaxy (M33, NGC 598)

The Triangulum Galaxy (M33, NGC 598) is a large, spiral galaxy in the constellation Triangulum and it is about 2.73 million light years (ly) from Earth. It has an apparent size of about 1 degree x 42 minutes, and an actual diameter of approximately 61,000 ly.There are a large number of active star-forming HII (H alpha) regions in this galaxy, one of which can be seen left of center in the photo ( NGC 603), and the other can be seen in the upper right (NGC 595). There are many other star forming regions within and around the Triangulum Galaxy.Capture Dates: 9/16/23 (1:45 total) and 9/20/23 (2:30 total)Telescope: Askar 107PHQ
Camera: ASI2600MC Pro (OSC camera)
Mount/Guiding ZWO AM5 mount; guiding ASIAir Plus and ASI178mm mini and a 60mm F4 guide scope
Light Frames [Total Exposure 4:15]
- Antlia Triband Ultra RGB filter -- 300s x 45 frames (3:45 on 9/16 and 9/20)
- Antlia ALP-T Dual Narrowband (Ha, OIII) filter – 300s x 6 (0:30 on 9/16)
All light frames calibrated with dark, flat, and bias frames
Pre- and post-processed in PixInsight
Additional post-processing in Photoshop for generation of reduced size jpeg

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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
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Top picks
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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
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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
Traveller
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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	Advanced success
Started	...
Astrometry.net job	8488542
PixInsight job	1WLCCZ5ST1RQ6WE6CC56QFURX7L5Q5GU
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m56s.59
RA (top/left)	01h33m06s.17
RA (top/right)	01h30m02s.48
RA (bottom/right)	01h34m46s.19
RA (bottom/left)	01h37m53s.57

Dec (center)	+30°37′18″.3
Dec (top/left)	+31°38′11″.10
Dec (top/right)	+30°01′46″.5
Dec (bottom/right)	+29°36′29″.9
Dec (bottom/left)	+31°12′28″.3

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Triangulum Galaxy (M33, NGC 598)

Triangulum Galaxy (M33, NGC 598)

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Triangulum Galaxy (M33, NGC 598)

Triangulum Galaxy (M33, NGC 598)

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