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
M 33 with Ha regions, James E.
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M 33 with Ha regions

M 33 with Ha regions, James E.
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M 33 with Ha regions

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Description

Added 5 hrs of Ha and 4 hrs of OIII with my SVX-102T, then reprocessed with LRGB data collected with my AT-115EDT in 2019. 

M33, the Triangulum Galaxy, is about half the size of our Milky Way and is about 3 million light years from the Earth.  M33 has a star formation rate ten times higher than in the Andromeda Galaxy.  NGC 604 is one of the largest HII regions within the entire Local Group.

Imaged over several nights:  Nov 11, 2019; Nov 14, 18, 2021.

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  • M 33 with Ha regions, James E.
    Original
  • Final
    M 33 with Ha regions, James E.
    C

C

Description: slightly reduced Ha

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M 33 with Ha regions, James E.