Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457  ·  NGC 5461  ·  NGC 5473
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M101 The Pinwheel Galaxy, 



    
        

            Michael Kutschera
M101 The Pinwheel Galaxy
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M101 The Pinwheel Galaxy

Revision title: reworked and additional data

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M101 The Pinwheel Galaxy, 



    
        

            Michael Kutschera
M101 The Pinwheel Galaxy
Powered byPixInsight

M101 The Pinwheel Galaxy

Revision title: reworked and additional data

Acquisition details

Dates:
March 22, 2022 ·  March 23, 2022 ·  March 24, 2022 ·  March 25, 2022
Frames:
Astronomik CLS-CCD 31mm unmounted: 256×120(8h 32′) (gain: 139.00) -15°C bin 1×1
Astronomik Deep-Sky RGB 31mm: 540×60(9h) (gain: 139.00) -15°C bin 1×1
Astronomik Ha 31mm 12nm: 140×120(4h 40′) (gain: 139.00) -15°C bin 1×1
Astronomik OIII 31mm 12nm: 60×120(2h) (gain: 139.00) -15°C bin 1×1
Integration:
24h 12′
Darks:
50
Flats:
25
Flat darks:
25
Avg. Moon age:
20.82 days
Avg. Moon phase:
63.47%

Basic astrometry details

Astrometry.net job: 6872830

RA center: 14h03m11s.10

DEC center: +54°2024

Pixel scale: 1.037 arcsec/pixel

Orientation: 90.077 degrees

Field radius: 0.819 degrees

Resolution: 4540x3420

File size: 18.8 MB

Locations: Gartensternwarte, Bidingen, BY, Germany

Data source: Backyard

Description

We had clear skies here during the past week, so I decided to go for the Pinwheel Galaxy.
Lucky I was able to gather a lot of data on this one.
Hope you enjoy it.
CS,
Michael

Comments

Revisions

  • M101 The Pinwheel Galaxy, 



    
        

            Michael Kutschera
    Original
  • M101 The Pinwheel Galaxy, 



    
        

            Michael Kutschera
    B
  • M101 The Pinwheel Galaxy, 



    
        

            Michael Kutschera
    C
  • Final
    M101 The Pinwheel Galaxy, 



    
        

            Michael Kutschera
    D

B

Title: reworked, using PI scripts

Description: Reworked the initial version, using the PI scripts EZ Denoise and Star De-emphasizer in combination with stretching the image in several steps, using different masks.

Uploaded: ...

C

Title: reworked and additional data

Description: I reworked the complete image, using BlurXTerminator and adding OIII data I have captured.

Uploaded: ...

D

Title: reworked, using PS CS2

Description: I was never really satisfied with the former versions, so I completely redid my workflow and build up the image using different layers in PS.

Uploaded: ...

Sky plot

Sky plot

Histogram

M101 The Pinwheel Galaxy, 



    
        

            Michael Kutschera