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Contains:  M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
Getting plate-solving status, please wait...
M81 and M82 - LRGB from Nuremberg, 





    
        

            Thomas Richter
M81 and M82 - LRGB from Nuremberg

M81 and M82 - LRGB from Nuremberg

Technical card

Resolution: 2953x2253

Dates:Nov. 29, 2016

Frames:
Baader B 1.25'' CCD Filter: 12x300" -20C bin 1x1
Baader G 1.25'' CCD Filter: 12x300" -20C bin 1x1
Baader L 1.25'' Filter: 24x300" -20C bin 1x1
Baader R 1.25'' CCD Filter: 12x300" -20C bin 1x1

Integration: 5.0 hours

Darks: ~35

Flats: ~25

Bias: ~100

Avg. Moon age: 29.51 days

Avg. Moon phase: 0.00%

Temperature: -7.00

Astrometry.net job: 1365512

RA center: 148.927 degrees

DEC center: 69.288 degrees

Pixel scale: 1.220 arcsec/pixel

Orientation: -55.824 degrees

Field radius: 0.630 degrees

Locations: Nürnberg, Nürnberg, Bayern, Germany

Description

This picture was taken in my light polluted garden in Nuremberg.
A very clear and cold night made it possible to reach this result.

Thanks for watching !

Description (Wikipedia.org) :

Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation Ursa Major. Due to its proximity to Earth, large size and active galactic nucleus (which harbors a 70 million M☉ supermassive black hole), Messier 81 has been studied extensively by professional astronomers. The galaxy's large size and relatively high brightness also make it a popular target for amateur astronomers.

Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy about 12 million light-years away in the constellation Ursa Major. A member of the M81 Group, it is about five times more luminous than the whole Milky Way and has a center one hundred times more luminous than our galaxy's center. The starburst activity is thought to have been triggered by interaction with neighboring galaxy M81. As the closest starburst galaxy to Earth, M82 is the prototypical example of this galaxy type. SN 2014J, a type Ia supernova, was discovered in the galaxy on 21 January 2014. In 2014, in studying M82, scientists discovered the brightest pulsar yet known, designated M82 X-2.

Comments

Author

superelch
Thomas Richter
License: None (All rights reserved)
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Revisions

  • M81 and M82 - LRGB from Nuremberg, 





    
        

            Thomas Richter
    Original
  • M81 and M82 - LRGB from Nuremberg, 





    
        

            Thomas Richter
    B
  • Final
    M81 and M82 - LRGB from Nuremberg, 





    
        

            Thomas Richter
    C

B

Reducing color blue

C

reducing dust donut

Sky plot

Sky plot

Histogram

M81 and M82 - LRGB from Nuremberg, 





    
        

            Thomas Richter

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Astrofreunde-Franken