LRGB+Ha M33 Triangulum Galaxy

 Posted: Jul 26th, 2026
Technical Info
Telescope/Lens: Sky-Watcher 200 PDS
Camera: ZWO ASI294MM Pro
Mount: Sky-Watcher EQ6-R PRO
Guide Scope: Svbony SV106 F4 60/240
Guide Camera: ZWO ASI662MC
Software: PixInsight, RC-Astro plugins
Accessories: MEYON F4/5 1x 2-inch MPCC
Exposure:
26 x 120" ISO/Gain: 120 - Antlia V Pro L
29 x 120" ISO/Gain: 120 - Antlia V Pro R
30 x 120" ISO/Gain: 120 - Antlia V Pro G
29 x 120" ISO/Gain: 120 - Antlia V Pro B
45 x 300" ISO/Gain: 120 - Antlia Ha 3nm
 Nauchnyy Astrohutor, Russia
 Aug 29th, 2025
7 h 33 m
147
Resolution: 3998x2672 px
Scale: 21654 KB
My debut processing in PixInsight

**Triangulum Galaxy** (**M 33**, **NGC 598**) — a spiral galaxy of type Sc, one of the closest galaxies to the Milky Way, located 850 kiloparsecs away. It belongs to the Local Group and ranks third in size, mass, and luminosity after the Andromeda Galaxy and the Milky Way.

In terms of its parameters, M 33 is generally unremarkable among galaxies of its type. Its diameter is 18.8 kiloparsecs, half that of the Milky Way, and it contains 40 billion stars, while our galaxy has an estimated 100 to 400 billion. The galaxy's main component is its disk. Its spiral arms are fragmented and not tightly wound. It has a faint bulge and a visible halo. The nucleus is bright and compact, with no supermassive black hole present.
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Comments

Cool! Is this just stacking, or was it also processed in Photoshop?
27 Jul, 2026 Reply
Oeswww Replied to Poppy8micro
Only in pix
27 Jul, 2026 Reply
Good work!
27 Jul, 2026 Reply
Oeswww Replied to Dmitry Makolkin
Thank you. But it can and should be better) The integration wasn't great, not just because of the low number of hours (I shot with leftover time), and there's still room for improvement in processing, especially in blending the hydrogen.
27 Jul, 2026 Reply

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