Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  NGC 7789
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Caroline's Rose, 



    
        

            Damien Cannane
Caroline's Rose
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Caroline's Rose

Getting plate-solving status, please wait...
Caroline's Rose, 



    
        

            Damien Cannane
Caroline's Rose
Powered byPixInsight

Caroline's Rose

Technical card

Imaging telescopes or lenses: Orion ED80T CF

Imaging cameras: Canon EOS Rebel T6

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: Orion Mini 50mm Guide Scope

Guiding cameras: ZWO ASI224MC

Focal reducers: Orion Field Flattener for Short Refractors


Dates:Aug. 9, 2017

Frames: 156x60" (2h 36') ISO400

Integration: 2h 36'

Darks: ~40

Flats: ~50

Bias: ~50

Avg. Moon age: 16.44 days

Avg. Moon phase: 96.84%


Basic astrometry details

Astrometry.net job: 1689350

RA center: 23h 57' 41"

DEC center: +56° 43' 55"

Pixel scale: 2.073 arcsec/pixel

Orientation: 91.436 degrees

Field radius: 0.733 degrees


Resolution: 1800x1800

Description

NGC 7789 was discovered by Caroline Herschel in 1783. It is estimated to be 8,000 light-years from Earth, with a diameter of 60 light-years. The cluster's brightest members are G and K orange giants. Such stars are highly evolved, and NGC 7789 is estimated to be 1.6 BILLION years old, which is quite a bit older than most open clusters.

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Caroline's Rose, 



    
        

            Damien Cannane

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