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Contains:  NGC 7789
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Caroline's Rose (NGC 7789), 


            Scott Davis
Caroline's Rose (NGC 7789)

Caroline's Rose (NGC 7789)

Technical card

Resolution: 3000x1993

Dates:Oct. 18, 2014

Frames:One-Shot Color: 36x150" ISO1600

Integration: 1.5 hours

Darks: ~25

Flats: ~40

Flat darks: ~40

Bias: ~40

Avg. Moon age: 24.55 days

Avg. Moon phase: 25.57%

Bortle Dark-Sky Scale: 2.00 job: 393425

RA center: 359.354 degrees

DEC center: 56.702 degrees

Pixel scale: 2.175 arcsec/pixel

Orientation: -48.005 degrees

Field radius: 1.088 degrees

Locations: Big Stump, Kings Canyon National Park, CA, United States


NGC 7789 is a beautiful, dense open cluster in the constellation Cassiopeia. It was discovered by Caroline Herschel, sister of William Herschel, in 1783. It lies at a distance of 7,600 light years from Earth. Observers of this cluster are greatly benefited by using a large telescope, as it is fainter than some of the more well-known clusters.



Scott Davis
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Caroline's Rose (NGC 7789), 


            Scott Davis