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Contains:  M 31, Great Nebula in Andromeda, NGC 224, M 32, NGC 221, M 110, NGC 205
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M 31 (Morocco - Atlas Mountains), 





    
        

            Paul Muskee
M 31 (Morocco - Atlas Mountains)

M 31 (Morocco - Atlas Mountains)

Technical card

Resolution: 4784x3608

Dates:Dec. 10, 2018

Frames: 63x300"

Integration: 5.2 hours

Avg. Moon age: 2.95 days

Avg. Moon phase: 9.50%

Astrometry.net job: 2480031

RA center: 10.732 degrees

DEC center: 41.262 degrees

Pixel scale: 2.026 arcsec/pixel

Orientation: 265.330 degrees

Field radius: 1.686 degrees

Locations: Atlas Mountains, Tagherat Anekrim, Agadir-Ida-Ou Tanane Province, Morocco

Data source: Traveller

Description

Preview from M 31 image taken during my current astronomy vacation in Marokko. Data collected from the Atlas Mountains (680m), SQM 21.5 ~ 22.1 and seeing below 1 arc second. Perfectly darks skies and excellent seeing. I used a setup from a friend so not everything is optimal like backfocus and sampling, but I cannot complain about these conditions :-). Will re-do this image when I am back in the Netherlands again with a calibrated screen.

11-03-2019 update: final version.

With many thanks to Hans Hoogkamer for providing me with this opportunity in general, providing the material, providing a stay and much more! Also thanks to Janina Martynaityte and her mother for providing the good care during my stay in Maroc. Could not have done this without them!

Comments

Author

pmuskee
Paul Muskee
License: None (All rights reserved)
3980
Like

Revisions

  • M 31 (Morocco - Atlas Mountains), 





    
        

            Paul Muskee
    Original
  • M 31 (Morocco - Atlas Mountains), 





    
        

            Paul Muskee
    B
  • M 31 (Morocco - Atlas Mountains), 





    
        

            Paul Muskee
    C
  • M 31 (Morocco - Atlas Mountains), 





    
        

            Paul Muskee
    D
  • Final
    M 31 (Morocco - Atlas Mountains), 





    
        

            Paul Muskee
    E

B

Made background more black, it was to light. Also cleaned up a bit. Unfortunately it seems I cannot fix the core using PixInsight HDR, I want it a bit more dim but I think my gain setting was to high and that data is just not there to make the core less bright...

C

Completely reprocessed using AstroPixelProcessor as a test. Must say I am pleasantly surprised by the result! Core is allot better, background better and stars are smaller! Will investigate further...

D

Another update based on the AstroPixelProcessor work, improved colors (maybe a bit to much but I like it) and improved details.

E

even more improved halo, improved details

Sky plot

Sky plot

Histogram

M 31 (Morocco - Atlas Mountains), 





    
        

            Paul Muskee