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Contains:  IC 4263, IC4263, IC4278, M 51, M51, NGC 5194, NGC 5195, NGC5195, PGC2289565, PGC2290538, PGC2291430, PGC2292105, PGC2292718, PGC2293576, PGC2294282, PGC2297311, PGC2299047, Whirlpool Galaxy, Whirlpool galaxy
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M51, 



    
        

            Riedl Rudolf
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M51

Technical card


Dates:April 23, 2020

Frames: 67x182" ISO1600

Integration: 3.4 hours

Darks: ~25

Flats: ~25

Bias: ~25

Avg. Moon age: 0.35 days

Avg. Moon phase: 0.14%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 21.60

Temperature: 3.00


Astrometry.net job: 3455661

RA center: 13h 30' 54"

DEC center: +47° 11' 27"

Pixel scale: 1.527 arcsec/pixel

Orientation: -175.134 degrees

Field radius: 0.547 degrees


Resolution: 2100x1501

Locations: Home, St. Peter/O., Steiermark, Austria

Data source: Backyard

Description

This is a picture of M51 with the Sharpstar 2032. Conditions have been excellent. The picture is about 3,5 hrs. only, but the halo is very extented, thanks to SQM 21.6!

Comments

Author

RiedlRud
Riedl Rudolf
License: None (All rights reserved)
2121
Like

Revisions

  • M51, 



    
        

            Riedl Rudolf
    Original
  • M51, 



    
        

            Riedl Rudolf
    B
  • Final
    M51, 



    
        

            Riedl Rudolf
    C

B

Description: Crop of M51 together with a tiny galaxy group at the right side!

C

Description: M51 Crop only

Sky plot

Sky plot

Histogram

M51, 



    
        

            Riedl Rudolf

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