M33 - Triangulum/Pinwheel Galaxy (JohnAdastra)

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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M33 - Triangulum/Pinwheel Galaxy

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M33 - Triangulum/Pinwheel Galaxy

M33 - Triangulum/Pinwheel Galaxy with Ha data

Using techniques described on the Astro Imaging Channel's presentation on Nov. 21, 2021, M33 data was processed with enhanced Ha regions.

Using PixInsight 1.8.8.11 LRGB data was taken to near completion with normal processes such as LRGB Hannel Combination, Deconvolution, MultiscaleLinearTransform to reduce noise, and HistogramTransformation to stretch into the non-linear state. At this point the image was split into new RGB masters with Channel Extraction. Then a modified R channel was created using PixelMath combining 0.7 Red with 0.3 Ha data. The new R, G and B channels were then recombined with ChannelCombination to create the final image. Other processes were then applied such as TGVDenoise, MorphologicalTransformation and CurvesTransformation.

While I had imaged M33 several times already, this was my first successful use of Ha data to highlight the respected areas.

Data acquired over the nights of Sep. 30. Oct. 1, Oct2, and Nov. 2, 2021

PixInsight Addicts
Light Polluted skies
Northeast Imagers
Broadband under Bortle 7/8/9
LVAAS Astroimaging
Suburban Astrophotography

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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	5296537
PixInsight job	UB0QDX4B76GEBIWJ3YCTWZHPEQGVTM8R
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m49s.73
RA (top/left)	01h37m02s.30
RA (top/right)	01h35m30s.44
RA (bottom/right)	01h30m34s.91
RA (bottom/left)	01h32m10s.70

Dec (center)	+30°38′47″.8
Dec (top/left)	+29°55′17″.9
Dec (top/right)	+31°34′52″.9
Dec (bottom/right)	+31°22′01″.10
Dec (bottom/left)	+29°42′35″.5

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M33 - Triangulum/Pinwheel Galaxy

M33 - Triangulum/Pinwheel Galaxy

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M33 - Triangulum/Pinwheel Galaxy

M33 - Triangulum/Pinwheel Galaxy

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