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Contains:  Bode's nebulae, M 81, M 82, NGC 3031, NGC 3034, NGC 3077
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Bode's Nebulae and Enhanced Background, 



    
        

            Miles Zhou
Bode's Nebulae and Enhanced Background
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Bode's Nebulae and Enhanced Background

Technical card

Imaging telescope or lens:Takahashi FSQ 106ED f/5 FSQ 106ED f/5

Imaging camera:QSI 683 wsg-8

Mounts:

Guiding telescopes or lenses:

Guiding cameras:

Focal reducers:

Software:

Filters:

Accessories:


Resolution: 3268x2464


Basic astrometry details

Astrometry.net job: 1051230

RA center: 9h 57' 15"

DEC center: +69° 18' 50"

Pixel scale: 2.102 arcsec/pixel

Orientation: 90.569 degrees

Field radius: 1.194 degrees


Locations: Deep Sky West, Rowe, New Mexico, United States

Description

The vicinity of Bode's Nebulae contains very rich background dust information. DSW's 900s lights caught quite some of it. This image is trying to reveal this information while to protect the delicate nebulae at the same time, including the small NGC 3077.

Version B did a Repaired HSV and a minor color balance

Version C combines R, G and B to form a luminance of about one third of 600s exposure, which was used to form an HDR combination with the 900s luminance exposures. No HSV repair anymore. All star cores now look solid.

Version D is just a (star-)masked Unsharp Mask.

Sorry, Version E is a masked unsharp mask. Version D used a wrong mask.

Comments

Author

mileszhou
Miles Zhou
License: None (All rights reserved)
3922
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Revisions

  • Bode's Nebulae and Enhanced Background, 



    
        

            Miles Zhou
    Original
  • Bode's Nebulae and Enhanced Background, 



    
        

            Miles Zhou
    B
  • Bode's Nebulae and Enhanced Background, 



    
        

            Miles Zhou
    C
  • Final
    Bode's Nebulae and Enhanced Background, 



    
        

            Miles Zhou
    E

Sky plot

Sky plot

Histogram

Bode's Nebulae and Enhanced Background, 



    
        

            Miles Zhou