Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4277  ·  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
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M-51, John Leader
M-51
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M-51

Getting plate-solving status, please wait...
M-51, John Leader
M-51
Powered byPixInsight

M-51

Equipment

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Acquisition details

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Description

141 Luminance subs  with  RGB subs  of  8 per channel 
All subs were 270 secs long and calibrated with flats , darks and bias frames
Also   32  narrow band HA subs were used
I have added about 1.0 hours more luminence data in March, 2022 and reprocessed this image.

Comments

Revisions

  • M-51, John Leader
    Original
  • M-51, John Leader
    B
  • Final
    M-51, John Leader
    C

Sky plot

Sky plot

Histogram

M-51, John Leader