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
M33, Stefano Zamblera
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M33, Stefano Zamblera
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Description

Messier 33 or NGC 598, the Triangulum spiral galaxy 2.73 million light-years (ly), the third-largest member of the Local Group of galaxies.

According to Ho, Luis C.; Filippenko, Alexei V.; Sargent, Wallace L. W. (October 1997). "A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies". Astrophysical Journal Supplement. 112 (2): 315–390 it also has an H II nucleus; programming to take some more frames in Ha filter.

By now drizzle data integration of some October (CLS) and November (UHC) 2020 frames, on WO61 Zenithstar/EOS550d Full Spectrum IR cut:

M33 WO61 CLS clip ISO400 600sec_08102020 3

M33 WO61 CLS clip ISO400 600sec_09102020 2

WO61 UHC Optolong M33 ISO400 600sec_08112020 x 8

WO61 UHC Optolong M33 ISO400 600sec_09112020 x 4

WO61 UHC Optolong M33 ISO400 600sec_10112020 x 2

WO61 UHC Optolong M33 ISO400 600sec_14112020 x 1

WO61 UHC Optolong M33 ISO400 600sec_17112020 x 1

WO61 UHC Optolong M33 ISO400 600sec_18112020 x 1

WO61 UHC Optolong M33 ISO400 600sec_19112020 x2

Annotation (ImageAnalysis>ImageSolver) and labelling (Render>AnnotateImage) by PixInSight

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  • Final
    M33, Stefano Zamblera
    Original
  • M33, Stefano Zamblera
    B

B

Description: Annotation (ImageAnalysis>ImageSolver) and labelling (Render>AnnotateImage) by PixInSight

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M33, Stefano Zamblera