M33 - Triangulum Galaxy (Tom Engwall)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9483 · 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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M33 - Triangulum Galaxy

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M33 - Triangulum Galaxy

This has been an interesting object to process. I was extremely satisfied with the RGB combination but felt that the much of my detail ws blown away when I combined the luminance master in LRGB Combine. I tried a lot of different approaches and finally settled on using HDRMT on the luminance and then dimming it a little with HT. That seemed to add some detailed structure but I can't help but wonder wonder if there is a better way. The high dynamic range in this object makes it kind of difficult but I'm generally satisfied with what I ended up with. I added the Ha to the LRGB image but I had to dim down a really hot spot first with a game script mask because it just seemed too bright and that was distracting.. I used Bill Blanchan's star reduction process to deemphasize the stars a little ( I really like his process. It works well without adding artifacts.)

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	Distinct awarded users	Total awarded images
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Deep sky
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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.
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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	6536659
PixInsight job	OC5U1E6LI8W8YZDZPKRKFXK2ILHHTDSM
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m49s.571
RA (top/left)	01h36m00s.256
RA (top/right)	01h35m26s.159
RA (bottom/right)	01h31m37s.234
RA (bottom/left)	01h32m14s.208

Dec (center)	+30°39′44″.81
Dec (top/left)	+30°05′13″.80
Dec (top/right)	+31°19′08″.85
Dec (bottom/right)	+31°14′03″.33
Dec (bottom/left)	+30°00′11″.71

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M33 - Triangulum Galaxy

M33 - Triangulum Galaxy

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M33 - Triangulum Galaxy

M33 - Triangulum Galaxy

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