Hemisphere:  Southern  ·  Constellation: Hydra (Hya)  ·  Contains:  M 68  ·  NGC 4590
Globular Cluster M68, 



    
        

            Scott Davis
Globular Cluster M68
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Globular Cluster M68

Technical card

Imaging telescopes or lenses: Explore Scientific ED102 APO

Imaging cameras: Canon EOS Rebel T3i

Mounts: Celestron CGEM Hypertuned

Guiding telescopes or lenses: Orion ShortTube 80

Guiding cameras: Orion StarShoot Autoguider

Focal reducers: Astro-Tech AT2FF

Software: Sequence Generator Pro  ·  DeepSkyStacker  ·  Photoshop CS6

Filters: One-Shot Color

Accessory: Robofocus  ·  Home Made Peltier Cooler for T3i


Dates:April 10, 2015

Frames:One-Shot Color: 30x150" (1h 15') ISO1600

Integration: 1h 15'

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


Basic astrometry details

Astrometry.net job: 600077

RA center: 12h39m30s.2

DEC center: -26°4402

Pixel scale: 2.152 arcsec/pixel

Orientation: 177.364 degrees

Field radius: 1.075 degrees


Resolution: 620x410

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

Description

Messier 68, also catalogued as NGC 4590, is a globular cluster in the constellation Hydra. It lies at a distance of approximately 33,000 light years from Earth.

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Globular Cluster M68, 



    
        

            Scott Davis