M33 - UV/IR Cut - RGB, L-Enhance (Red Only) - Highlights (Ophir1000)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9269 · 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 - UV/IR Cut - RGB, L-Enhance (Red Only) - Highlights

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M33 - UV/IR Cut - RGB, L-Enhance (Red Only) - Highlights

M33, taken from Bortle 7 backyard. Optolong UVIR cut for RGB, UHC for luminance, L-Enhance for highlights.

Original:

DSS: Stack
Siril: RGB/UHC/L-Enhance aligned, cropped, background extraction, and color calibrated
Starnet++: Remove stars from RGB and L-Enhance
GIMP:

Stretch RGB/UHC/L-Enhance with masking to bring out highlights,
Create composite image with desat. UHC as Normal (luminance), RGB as L-Chroma, L-Enhance as L-Chroma layers
Final stretch of composite
Noise reduction

Rev1:

DSS: Stack
Siril: RGB/UHC/L-Enhance aligned, cropped, background extraction
Pixinsight: DBE, SPCC, BlurXterminator, NoiseXterminator, StarXterminator, GHS. UHC Only: extract luminance channel
GIMP:

Stretch starless RGB/UHC/L-Enhance images to bring out highlights
Desaturate background and saturate galaxy with light masking
Create composite image with UHC as normal (luminance), RGB as L-Chroma, L-Enhance as L-Chroma, RGB stars as Screen layers
Final stretch of composite

Original
B
Final
C

ASI533MC Pro
Suburban Astrophotography
Cooled Color Cams
SDAA AISIG Group
ZWO AM5
Light Polluted skies
Duo-band, Tri-band, and Quad-band Imaging
Beginners AP
The refractors!
Gimp Processing

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	6976821
PixInsight job	MR7P4C00H34613RIYK63ZMQ527K4WRIX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m51s.25
RA (top/left)	01h29m56s.70
RA (top/right)	01h35m57s.90
RA (bottom/right)	01h37m48s.14
RA (bottom/left)	01h31m43s.13

Dec (center)	+30°39′59″.3
Dec (top/left)	+30°13′01″.4
Dec (top/right)	+29°49′33″.3
Dec (bottom/right)	+31°06′32″.7
Dec (bottom/left)	+31°30′23″.7

Image Index:

Contribution Index (beta):

M33 - UV/IR Cut - RGB, L-Enhance (Red Only) - Highlights

M33 - UV/IR Cut - RGB, L-Enhance (Red Only) - Highlights

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Image Index:

Contribution Index (beta):

M33 - UV/IR Cut - RGB, L-Enhance (Red Only) - Highlights

M33 - UV/IR Cut - RGB, L-Enhance (Red Only) - Highlights

Equipment

Acquisition details

Description

Comments

Revisions

Sky plot

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