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Contains:  NGC 4565, IC 3543, NGC 4562
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NGC 4565, The Needle Galaxy, 





    
        

            Randal Healey
NGC 4565, The Needle Galaxy

NGC 4565, The Needle Galaxy

Technical card

Resolution: 5647x4010

Dates:April 22, 2019April 23, 2019April 24, 2019

Frames:
Astrodon BLUE 36mm - Gen2 E-Series Tru-Balance: 23x300" -20C bin 1x1
Astrodon GREEN 36mm - Gen2 E-Series Tru-Balance: 24x300" -20C bin 1x1
Astrodon LUM 36mm - Gen2 E -Series Tru-Balance: 30x180" -20C bin 1x1
Astrodon RED 36mm - Gen2 E-Series Tru-Balance: 22x300" -20C bin 1x1

Integration: 7.2 hours

Darks: ~50

Flats: ~50

Bias: ~100

Avg. Moon age: 18.95 days

Avg. Moon phase: 81.03%

Astrometry.net job: 2673140

RA center: 189.076 degrees

DEC center: 26.009 degrees

Pixel scale: 0.786 arcsec/pixel

Orientation: 9.514 degrees

Field radius: 0.756 degrees

Locations: Healey "Utahopia" Observatory, Kaysville, Utah, United States

Data source: Own remote observatory

Description

NGC 4565, also known as the Needle Galaxy or Caldwell 38, is the largest edge-on spiral galaxy in the night sky. It is quite similar to our Milky Way, although NGC 4565 is slightly more massive (our Galaxy has a mass of about eight hundred billion suns). The Needle Galaxy contains at least two hundred globular clusters and is thought to have a dark matter halo with a mass of several hundred billion suns).
A dark dust lane runs the entire length of the galaxy, masking much of the arms’ brightness. The central region features a small bulge, and that is the easiest place to detect the dust lane. The dark streak is offset a little to the north of center because NGC 4565 is inclined to an angle of 87°, 3° from edge-on.

Comments

Author

RandalHealey
Randal Healey
License: None (All rights reserved)
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NGC 4565, The Needle Galaxy, 





    
        

            Randal Healey