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Contains:  M 100, NGC 4321, NGC 4322, NGC 4328
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M100  merged  images  2019/2015, 



    
        

            Wanni

M100 merged images 2019/2015

Technical card


Dates:April 16, 2019

Frames:
12x300" -20C bin 1x1
25x60" -20C bin 1x1

Integration: 1.4 hours

Darks: ~5

Flats: ~3

Bias: ~20

Avg. Moon age: 11.45 days

Avg. Moon phase: 88.06%

Bortle Dark-Sky Scale: 4.00

Temperature: 12.00


Basic astrometry details

Astrometry.net job: 3363375

RA center: 12h 22' 48"

DEC center: +15° 49' 19"

Pixel scale: 1.016 arcsec/pixel

Orientation: 12.394 degrees

Field radius: 0.320 degrees


Resolution: 1824x1348

Locations: Home Observatory, Syke, Niedersachsen, Germany

Data source: Backyard

Description

combined two images M100 : 2019/2015, the 2019 image was poor quality, except the color

2019 25 * 60 sec
2015 12 * 300 sec

Comments

Author

wanni60
Wanni
License: None (All rights reserved)
850
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Revisions

  • M100  merged  images  2019/2015, 



    
        

            Wanni
    Original
  • Final
    M100  merged  images  2019/2015, 



    
        

            Wanni
    B

B

Description: combined images 16.April 2019 / 22. April 2015

Sky plot

Sky plot

Histogram

M100  merged  images  2019/2015, 



    
        

            Wanni