Triangulum Galaxy M33 (matthew.maclean)

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 · PGC 1883033 · PGC 1886457 · PGC 1886693 · PGC 1916717 · PGC 1928235 · PGC 1928851 · PGC 1939705 · PGC 3084774 · PGC 3084776 · PGC 3084777 · PGC 3084782 · PGC 3089041 · PGC 3095531 · PGC 5694 · PGC 5899 · Triangulum Galaxy · And 1 more.

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Triangulum Galaxy M33

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Triangulum Galaxy M33

M33 has been on my To-Do list for the last couple years, and a little clearing around the new moon this month presented itself. Seeing and transparency were not the best during the main imaging run, so I was not necessarily expecting too much, but I like the result considering the conditions. When I saw that I had something useable on the first night, I decided to add a couple hours of narrowband data to blend in. The blending was my discovery and first experience with PI's NBRGB-Combination script; I think it worked (I used about 3.0 for the narrowband scaling). After a few attempts to do sufficient background smoothing, I managed a result that makes the Ha region show well. The outer bands will never show up as clearly for me in Bortle 7-8 as they do for those in darker skies, but it is a good result for the fall season as we got our first snowfall today.

Just for fun, I'm uploading one of the first images I tried to take in astrophotography almost exactly two years ago (revision B).

Final
Original
B

B

Description: One of my first astrophotography image attempts (2019-11-08).

Uploaded: ...

Light Polluted skies
Northeast Imagers
Broadband under Bortle 7/8/9
William Optics GT Series
Duo-band, Tri-band, and Quad-band Imaging

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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.
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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	5222707
PixInsight job	Z7THPKQG17VIUQ3MF5DWCT1Y0QSKVRFZ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m52s.85
RA (top/left)	01h31m21s.21
RA (top/right)	01h31m28s.19
RA (bottom/right)	01h36m22s.22
RA (bottom/left)	01h36m19s.75

Dec (center)	+30°39′27″.8
Dec (top/left)	+31°23′34″.7
Dec (top/right)	+29°54′26″.3
Dec (bottom/right)	+29°55′08″.8
Dec (bottom/left)	+31°24′18″.5

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Triangulum Galaxy M33

Triangulum Galaxy M33

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B

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Triangulum Galaxy M33

Triangulum Galaxy M33

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B

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