Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 94  ·  NGC 4736
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Messier 94 in Canes Venatici, 



    
        

            Steve Milne
Messier 94 in Canes Venatici
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Technical card

Imaging telescopes or lenses: TEC-140

Imaging cameras: QSI 690 WSG-8

Mounts: 10 Micron GM2000 HPS II UP

Guiding telescopes or lenses: TEC-140

Guiding cameras: Starlight Xpress Lodestar X2

Focal reducers: TEC Field Flattener

Software: Sequence Generator Pro  ·  Adobe Photoshop 6 CS  ·  Open PHD PHD 2.5  ·  Pixinsight 1.8

Filters: Astrodon Tru-Balance LRGB E-Series Gen 2 Blue  ·  Astrodon Tru-Balance LRGB E-Series Gen 2 Green  ·  Astrodon Tru-Balance LRGB E-Series Gen 2 Red  ·  Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance


Dates:Feb. 17, 2020

Frames:
Astrodon Tru-Balance LRGB E-Series Gen 2 Blue: 36x300" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Green: 36x300" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 24x300" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 51x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Red: 36x300" bin 1x1

Integration: 19.5 hours

Avg. Moon age: 23.73 days

Avg. Moon phase: 33.54%


Basic astrometry details

Astrometry.net job: 4193982

RA center: 12h 50' 53"

DEC center: +41° 7' 15"

Pixel scale: 0.651 arcsec/pixel

Orientation: 89.795 degrees

Field radius: 0.420 degrees


Resolution: 3661x2850

Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

Messier 94 is a spiral galaxy some 17 million light years away in the constellation of Canes Venatici. It was discovered by Pierre Méchain on 22 March 1781.

Messier 94 was photographed between 29 December 2019 and 17 February 2020 from a rig in Spain that is privately owned and operated by Barry Wilson and me.

Capture details are as follows:

Telescope: TEC 140
Camera: QSI 690
Filters: Astrodon
Mount: 10 Micron GM2000HPS

Lum: 51 x 600s
Lum: 24 x 300s
Red: 36 x 300s
Green 36 x 300s
Blue: 36 x 300s

A total of 19 hours and 30 minutes exposure.

Data: Steve Milne & Barry Wilson
Processing: Steve Milne

Comments

Revisions

    Messier 94 in Canes Venatici, 



    
        

            Steve Milne
    Original
    Messier 94 in Canes Venatici, 



    
        

            Steve Milne
    B
  • Final
    Messier 94 in Canes Venatici, 



    
        

            Steve Milne
    C

B

Description: I think this has better colour. Stars also seem to be improved. It is a re-work from scratch.

Uploaded: ...

Sky plot

Sky plot

Histogram

Messier 94 in Canes Venatici, 



    
        

            Steve Milne