Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  HD122865  ·  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
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M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono, David Moore
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M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono

Getting plate-solving status, please wait...
M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono, David Moore
Powered byPixInsight

M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono

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Description

M101 is a large, face on spiral galaxy in Ursa Major. It has a diameter of 170,000 light years and contains about 1 trillion stars. Easy to write but hard to imagine! It has many HII regions which are large and bright.

Comments

Revisions

  • M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono, David Moore
    Original
  • M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono, David Moore
    C
  • M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono, David Moore
    D
  • Final
    M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono, David Moore
    E

C

Description: Cropped and some more Ha added.

Uploaded: ...

D

Description: Several hours of OSC added to reduce noise

Uploaded: ...

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Sky plot

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M101 The Pinwheel Galaxy in OSC with Ha and luminance in mono, David Moore