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Contains:  M 31, Great Nebula in Andromeda, NGC 224, M 32, NGC 221, M 110, NGC 205, The star 32And
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M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira
M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P

M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P

Technical card

Imaging telescope or lens:Canon 200mm f/2.8

Imaging camera:Canon 6D

Mount:Ioptron CEM25P

Guiding telescope or lens:Orion ShortTube 80

Guiding camera:ZWO ASI 120 MM

Software:Astrophotography ToolsPixinsight

Resolution: 2003x1416

Dates:Sept. 7, 2018Sept. 8, 2018

Frames:
33x300" ISO1000
21x300" ISO1600

Integration: 4.5 hours

Bias: ~80

Avg. Moon age: 27.54 days

Avg. Moon phase: 4.76%

Astrometry.net job: 2380449

RA center: 10.469 degrees

DEC center: 41.176 degrees

Pixel scale: 6.943 arcsec/pixel

Orientation: 271.565 degrees

Field radius: 2.365 degrees

Locations: Maturéia (Casarão do jabre), Maturéia, Paraíba, Brazil

Data source: Traveller

Description

This is the first light of my Ioptron Cem25p. The image was acquired during the VI EPA (Encontro Paraibano de Astrofotografia) at Casarao do Jabre, Matureia, PB, Brazil. The final image is a joint work with my friend Luiz Duczmal who kindly processed the image (Thank you so much Luiz!). Somewhat low in the sky during the two consecutive nights (culmination was at ~45 degrees), the northern sky at Matureia is also plagued with light pollution from the nearby city of Patos (44Km away).

Comments

Author

eoliveira
Eduardo Oliveira
License: None (All rights reserved)
3102
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Revisions

  • M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira
    Original
  • M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira
    E
  • M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira
    F
  • M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira
    G
  • M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira
    H
  • Final
    M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira
    I

E

Uncropped version

F

This version has a more agressive local histogram equalization applied to it.

G

Cropped version with more agressive LHE...

H

A combination of range mask and pixel math were used in Pixinsight to increase the saturation of the galaxy while avoiding the introduction of noise into the stellar field.

I

Cropped version

Sky plot

Sky plot

Histogram

M31 with Canon 200mm f/2.8 Lens and Ioptron CEM25P, 





    
        

            Eduardo Oliveira