Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  16 Tau  ·  17 Tau  ·  18 Tau  ·  19 q Tau  ·  20 Tau  ·  21 Tau  ·  22 Tau  ·  23 Tau  ·  24 Tau  ·  25 eta Tau  ·  26 Tau  ·  27 Tau  ·  28 Tau  ·  Alcyone  ·  Asterope  ·  Atlas  ·  Barnard's Merope Nebula  ·  Celaeno  ·  Electra  ·  IC 349  ·  IC349  ·  M45  ·  Maia  ·  Maia Nebula  ·  Merope  ·  Merope Nebula  ·  Merope nebula  ·  NGC 1432  ·  NGC 1435  ·  NGC1435  ·  And 12 more.
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M45: The more-than-seven sisters, 



    
        

            Glenn Diekmann
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M45: The more-than-seven sisters

Getting plate-solving status, please wait...
M45: The more-than-seven sisters, 



    
        

            Glenn Diekmann
Powered byPixInsight

M45: The more-than-seven sisters

Imaging telescopes or lenses: Stellarvue SVX80T

Imaging cameras: Atik 383L+ Mono

Mounts: Astro-Physics Mach1 GTO CP4

Guiding cameras: ZWO ASI174MM Mini

Focal reducers: Starizona Apex ED S 0.65x Reducer/Flattener

Software: PixInsight 1.8  ·  Adobe Lightroom Classic CC  ·  PHD2  ·  Starkeeper Software Voyager

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


Dates:Nov. 19, 2020

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 37x180" -15C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 45x180" -15C bin 1x1
Astrodon Luminance E-Series Gen 2: 162x60" -15C bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 57x180" -15C bin 1x1

Integration: 9.7 hours

Darks: ~50

Flats: ~16

Bias: ~200

Avg. Moon age: 4.73 days

Avg. Moon phase: 23.29%

Bortle Dark-Sky Scale: 7.00


Astrometry.net job: 4112658

RA center: 3h 46' 57"

DEC center: +24° 7' 49"

Pixel scale: 3.445 arcsec/pixel

Orientation: 179.425 degrees

Field radius: 1.942 degrees


Resolution: 3250x2431

Data source: Backyard

Description

There certainly are more than seven when one looks closely. ;)

The data for this image came from my back yard in a Los Angeles suburb. The biggest challenge was processing out the heavy gradients.

Comments

Revisions

  • M45: The more-than-seven sisters, 



    
        

            Glenn Diekmann
    Original
  • Final
    M45: The more-than-seven sisters, 



    
        

            Glenn Diekmann
    B

B

Description: Added brightness and contrast.

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M45: The more-than-seven sisters, 



    
        

            Glenn Diekmann