Hemisphere:  Northern  ·  Contains:  M 63  ·  NGC 5055  ·  Sunflower galaxy
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Sunflower galaxy, 



    
        

            wimvb
Sunflower galaxy
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Sunflower galaxy

Technical card

Imaging telescopes or lenses: SkyWatcher Explorer MN190 DS

Imaging cameras: ZWO ASI 174 MM Cool

Mounts: Skywatcher AZ-EQ6 GT AZEQ6-GT

Guiding telescopes or lenses: SkyWatcher Finder/Guider 9x50

Guiding cameras: ZWO ASI120MM

Software: INDI/Ekos EKOS/Kstars  ·  PixInsight 1.8 Ripley

Filters: ZWO Lum 1.25"  ·  ZWO Blue 1.25"  ·  ZWO Green 1.25"  ·  ZWO Red 1.25"


Dates:March 31, 2019April 15, 2019

Frames:
ZWO Blue 1.25": 22x240" (gain: 20.00) bin 1x1
ZWO Green 1.25": 30x240" (gain: 20.00) bin 1x1
ZWO Lum 1.25": 92x120" (gain: 20.00) -20C bin 1x1
ZWO Red 1.25": 30x240" (gain: 20.00) bin 1x1

Integration: 8.5 hours

Darks: ~50

Flats: ~50

Avg. Moon age: 17.73 days

Avg. Moon phase: 49.91%


Basic astrometry details

Astrometry.net job: 2652669

RA center: 13h 15' 50"

DEC center: +42° 1' 37"

Pixel scale: 1.209 arcsec/pixel

Orientation: 1.703 degrees

Field radius: 0.366 degrees


Resolution: 1863x1137

Locations: Home, Stockholm, Sweden

Data source: Backyard

Description

My final image for this season, the sunflower galaxy, M63.
This is an LRGB image taken with the MN190 during March and April.
There were/are a lot of issues with this image. Collimation of the MN is still off, wich resulted in weird star shapes. The addition of an oag to the imaging train caused the focuser to sag a bit. In the end I guided the L exposures with my finder guider.
The AZ-EQ6 needs some tlc this summer. Earlier I found some debris from the belts in the housing. RA guiding showed higher RMS than DEC.

Comments

Author

wimvb
wimvb
License: None (All rights reserved)
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Revisions

  • Final
    Sunflower galaxy, 



    
        

            wimvb
    Original
  • Sunflower galaxy, 



    
        

            wimvb
    B

B

Description: The original image looks too dark on my tablet, but ok on my laptop. So here's a slightly lighter version.

Sky plot

Sky plot

Histogram

Sunflower galaxy, 



    
        

            wimvb

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