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The Wall, 





    
        

            Rodd Dryfoos
The Wall

The Wall

Technical card

Resolution: 1240x1068

Frames:
Astrobin 3nm Ha: 45x300" (gain: 138.99) -20C bin 1x1
Astrobin 3nm OIII: 36x300" (gain: 138.99) bin 1x1
Astrobin 3nm SII: 33x294" (gain: 139.00) -20C bin 1x1

Integration: 9.4 hours

Darks: ~30

Flats: ~35

Flat darks: ~32

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 2919111

RA center: 314.896 degrees

DEC center: 43.620 degrees

Pixel scale: 2.440 arcsec/pixel

Orientation: 6.061 degrees

Field radius: 0.555 degrees

Data source: Backyard

Description

I wanted to show what a 4" scope reduced to a focal length of 318mm can do using small pixels.

Comments

Author

RAD
Rodd Dryfoos
License: None (All rights reserved)
1371
Like

Revisions

  • The Wall, 





    
        

            Rodd Dryfoos
    Original
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    H
  • The Wall, 





    
        

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    J
  • The Wall, 





    
        

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    K
  • The Wall, 





    
        

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    L
  • The Wall, 





    
        

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    M
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    N
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  • Final
    The Wall, 





    
        

            Rodd Dryfoos
    P

H

A-F-Final

J

A-F Final-x

K

A-F Final Zz

L

A-F-Final--Zz2: very fine scale sharpening along the ridgeline

M

A-F-Final-Zz3

N

A-F-Final-Zz4

O

A-Final-Zz5: Contrast enhancement of Tallest peak in mid ridge

P

Virtually a direct crop from larger image with little ancillary processing

Sky plot

Sky plot

Histogram

The Wall, 





    
        

            Rodd Dryfoos