Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
Getting plate-solving status, please wait...
M51 (Reprocessed), 



    
        

            KuriousGeorge
Powered byPixInsight

M51 (Reprocessed)

Getting plate-solving status, please wait...
M51 (Reprocessed), 



    
        

            KuriousGeorge
Powered byPixInsight

M51 (Reprocessed)

Imaging telescopes or lenses: Planewave CDK24

Imaging cameras: FLI Proline 16803

Mounts: Planewave L600

Guiding cameras: Starlight Xpress Ultrastar

Focal reducers: None

Software: Planewave PWI3  ·  Planewave PWI4  ·  PixInsight 1.8  ·  Sequence Generator Pro  ·  Photoshop CS3  ·  PHD Guiding 2  ·  CCDWare CCD Inspector  ·  Maxim DL6  ·  Neat Image V7

Filters: Astrodon 50mm B  ·  Astrodon 50mm R  ·  Astrodon 50mm L  ·  Astrodon 50 mm G

Accessory: FLI CFW-5-7  ·  Astrodon Monster MOAG  ·  Hedrick Focuser  ·  Planewave Delta-T  ·  Planewave EFA


Dates:March 29, 2019March 30, 2019April 6, 2019April 8, 2019

Frames:
Astrodon 50 mm G: 8x900" (2h) -20C bin 1x1
Astrodon 50mm B: 12x900" (3h) -20C bin 1x1
Astrodon 50mm L: 32x900" (8h) -20C bin 1x1
Astrodon 50mm R: 12x900" (3h) -20C bin 1x1

Integration: 16h

Darks: 20

Flats: 80

Flat darks: 80

Bias: 20

Avg. Moon age: 12.91 days

Avg. Moon phase: 19.30%

Mean SQM: 21.30


Astrometry.net job: 3101805

RA center: 13h 29' 52"

DEC center: +47° 11' 47"

Pixel scale: 0.468 arcsec/pixel

Orientation: -89.179 degrees

Field radius: 0.346 degrees


Resolution: 3760x3772

Locations: KG Observatory, Julian, CA, United States

Data source: Backyard

Description

Reprocessing of my prior image at https://www.astrobin.com/406200/C/ with more attention spent on the noise mask, color saturation, background level and star shrink.

Comments

Revisions

    M51 (Reprocessed), 



    
        

            KuriousGeorge
    Original
    M51 (Reprocessed), 



    
        

            KuriousGeorge
    B
  • Final
    M51 (Reprocessed), 



    
        

            KuriousGeorge
    C

B

Description: Fixed a few hot pixels. (-:

Uploaded: ...

C

Description: Cleaned up a few out-of-frame bright star remnants.

Uploaded: ...

Sky plot

Sky plot

Histogram

M51 (Reprocessed), 



    
        

            KuriousGeorge