Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M51 Galaxy, a LRHaGB picture, Niels V. Christensen
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M51 Galaxy, a LRHaGB picture

Getting plate-solving status, please wait...
M51 Galaxy, a LRHaGB picture, Niels V. Christensen
Powered byPixInsight

M51 Galaxy, a LRHaGB picture

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Description

21 March-2018, Just FYI,

https://www.cloudynights.com/topic/611811-m51-galaxy-a-lrhagb-picture/

Old info.

Frames/subs taken 18->19 March-2018.

A perfect night with temperaturs below zero.

Raw frames were taken like this. LRGB=62,28,28,28 all 120sec exposures. Ha exposures=10x300sec.

My home build observatory is placed in my front yard/in the "red light" polution zone, have a look here,

Red Zone

On request I will be happy to share/show tif/fit files/stack info, please just let me know, thanks.

Kind regards Niels

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    M51 Galaxy, a LRHaGB picture, Niels V. Christensen
    Original
  • Final
    M51 Galaxy, a LRHaGB picture, Niels V. Christensen
    B

B

Description: 8->9 April-2018. More Ha added into the red channel, 14x300sec. Star repair & slighlty cropped. Level, curves & new USM added. Kind regards Niels

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M51 Galaxy, a LRHaGB picture, Niels V. Christensen

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"Nordish by nature"