Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor
M 51- High resolution and deep field with Newton 350
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M 51- High resolution and deep field with Newton 350

Acquisition type: Lucky imaging

Technical card

Imaging telescopes or lenses: ORION Personnal 14" Newton customized

Imaging cameras: ZWO ASI 294MC Pro  ·  ZWO Optical ASI1600MC-Cool  ·  ZWO Optical ASI 290MM

Mounts: EQ 8

Guiding cameras: ZWO ASI 120MM (Guiding)

Focal reducers: ASA Astrosysteme KORR2 0.73

Software: SIRIL  ·  ADOBE Photoshop CS2


Dates:April 21, 2017June 3, 2019

Frames:
45x180" (gain: 300.00) -15C bin 1x1
7000x1" (gain: 500.00) bin 1x1
38x90" -15C

Integration: 5.1 hours

Darks: ~46

Avg. Moon age: 12.10 days

Avg. Moon phase: 14.76%

Temperature: 18.00


Basic astrometry details

Astrometry.net job: 2754494

RA center: 13h 29' 53"

DEC center: +47° 12' 46"

Pixel scale: 0.485 arcsec/pixel

Orientation: 71.136 degrees

Field radius: 0.268 degrees


Resolution: 3185x2390

Locations: Home, GIMEUX, CHARENTE, France

Data source: Backyard

Description

M 51 high resolution picture using Lucky Imaging and deep field using normal exposures.

High lights : 7000 x 1 sec. with ASI 290 MM
Medium lights and core colors : ASI 1600 MCC 38 x 90sec. (2017)
Field and extensions : ASI 294 MC Pro : 45 x 180 sec.

In the last version, the 2000 best Lucky Imaging frames have been isolated (version F) and a highpass filter has been Added using it on the full image.

Clear skies.

JF

Comments

Revisions

    M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor
    Original
    M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor
    D
    M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor
    E
    M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor
    F
    M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor
    G
  • Final
    M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor
    H

D

Description: Minor correction of color gradient on bright stars and color calibration.

Uploaded: ...

E

Description: Background set to 28 (+ 5) to get the faintest objects in the field.

Uploaded: ...

F

Description: 2000 best ASI 290 MM pictures (1 sec. exposure).

Uploaded: ...

G

Description: USing frame F for a highpass filter. Details in the high lights increased.

Uploaded: ...

H

Description: A few Ha Added. Thanks to Alain Lafont who proposed me this layer after seeing my image on Astrosurf forum. Taken with his Newton SW 254/1000. Camera ASI183 MM 11 x 120s binning 2. Tha layer couldn't be used for lumlnance because of a high resolution and noise difference. It has been mixed only for color. JF

Uploaded: ...

Sky plot

Sky plot

Histogram

M 51- High resolution and deep field with Newton 350, 



    
        

            Jeffbax Velocicaptor