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Contains:  NGC 4565, NGC 4562
Getting plate-solving status, please wait...
The Needle galaxy, 





    
        

            wimvb
The Needle galaxy

The Needle galaxy

Technical card

Resolution: 1864x1138

Dates:April 2, 2019

Frames:
ZWO Blue 1.25": 20x240" bin 1x1
ZWO Green 1.25": 20x240" bin 1x1
ZWO Lum 1.25": 40x120" (gain: 20.00) -20C bin 1x1
ZWO Red 1.25": 20x240" bin 1x1

Integration: 5.3 hours

Avg. Moon age: 26.90 days

Avg. Moon phase: 7.61%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2633349

RA center: 189.097 degrees

DEC center: 25.981 degrees

Pixel scale: 1.209 arcsec/pixel

Orientation: 8.977 degrees

Field radius: 0.367 degrees

Data source: Backyard

Description

The needle galaxy (ngc 4565) imaged over two nights.
This image wasn't without its problems. I had guiding issues, causing elongated stars. And I suspect the MN190 focuser to have a lot of flexure in the built in extension tube. So, sharpness could have been better.

Comments

Author

wimvb
wimvb
License: None (All rights reserved)
2541
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Revisions

  • The Needle galaxy, 





    
        

            wimvb
    Original
  • Final
    The Needle galaxy, 





    
        

            wimvb
    B

B

different set of luminance subs 50 x 2 minutes Better guiding allowed more sharpening

Sky plot

Sky plot

Histogram

The Needle galaxy, 





    
        

            wimvb

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