Triangulum Galaxy (Nico Augustin)

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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Triangulum Galaxy

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Triangulum Galaxy

M33 under Bortle 4 skies and "First light" for my new ZWO EAF autofocuser. Even though it is the second largest galaxy in the northern skies, was the Triangulum Galaxy never really on my bucket list of prime targets. But now I´ m glad that I tried it last night.

I was always a bit hesitant despite the comparably low surface brightness and (imo) the difficult-to-see spiral structure. However, I have the feeling it did came out not too bad. Even NGC604, one of the largest known H-II regions is well visible. Originally I planned with about 2 hrs more data but faced some software issues in the beginning. So, I lost a bit time and around two in the morning the moon started to kick in. Guiding could have been a bit better too but hey, happy after a looong time of bad weather and my ZWO EAF is working super fine with EKOS too 😃

Original
B
C
Final
D

B

Description: I added 1:45 hrs of l-eNhance data (extracted Ha) and refined a bit the overall appearance of the image. Overall exposure time is now almost 6 hours.

Uploaded: ...

C

Description: Slighty tuned the curves to darken the background a bit more as I saw that on mobile screens it was too bright

Uploaded: ...

D

Description: Once more reprocessed to combine the available data better. The last version was a bit too blurred and I think this nes stack from PixInsight is doing better.

Uploaded: ...

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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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Status	Advanced success
Started	...
Astrometry.net job	4265356
PixInsight job	ZMR9RUFWO2U7NMUC7TRV63YUOWGDC7J2
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h33m49s.12
RA (top/left)	01h37m50s.64
RA (top/right)	01h37m12s.65
RA (bottom/right)	01h29m41s.73
RA (bottom/left)	01h30m30s.60

Dec (center)	+30°41′05″.7
Dec (top/left)	+29°32′08″.3
Dec (top/right)	+31°55′53″.6
Dec (bottom/right)	+31°49′33″.2
Dec (bottom/left)	+29°26′01″.6

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Triangulum Galaxy

Triangulum Galaxy

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C

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Image Index:

Contribution Index (beta):

Triangulum Galaxy

Triangulum Galaxy

Equipment

Acquisition details

Description

Comments

Revisions

B

C

D

Sky plot

Histogram

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