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Contains:  NGC 5053, M 53, NGC 5024
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Two Globulars for the Price of One, 


            Scott Davis
Two Globulars for the Price of One

Two Globulars for the Price of One

Technical card

Resolution: 3000x2003

Dates:April 10, 2015

Frames:One-Shot Color: 23x150" ISO1600

Integration: 1.0 hours

Darks: ~7

Flats: ~40

Flat darks: ~40

Bias: ~40

Avg. Moon age: 20.45 days

Avg. Moon phase: 67.64%

Bortle Dark-Sky Scale: 3.00 job: 598976

RA center: 13h 14' 34"

DEC center: +17° 57' 57"

Pixel scale: 2.164 arcsec/pixel

Orientation: -3.865 degrees

Field radius: 1.084

Locations: Ahwahnee Hills Observatory, Ahwahnee, California, United States


Sometimes having a wider field of view, such as the one afforded to me by my Explore Scientific ED102 Refractor, has its advantages. This is one of those cases: not only was I able to capture two globular clusters in the same field of view, but the two objects are also very different from each other.

Messier 53, also catalogued as NGC 5024, is at the left side of this image. It is one of the more outlying globular clusters, residing at a distance of approximately 58,000 light years from Earth and approximately 60,000 light years from the Galactic Center.

On the right side of this image is a much more loosely bound globular cluster, NGC 5053, which lies approximately 53,500 light years from Earth.

Finally, we have the galaxy PGC 46161, which is just down and to the left of NGC 5053.



Scott Davis
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Two Globulars for the Price of One, 


            Scott Davis