NGC7789 - Caroline's rose 🌹
APOD of the 15th November 2017 :)
apod.nasa.gov/apod/ap171115.html
NGC 7789 is an open cluster in Cassiopeia that was discovered by Caroline Herschel in 1783. Her brother William Herschel included it in his catalog as H VI.30. This cluster is also known as "The White Rose" Cluster or "Caroline's Rose" Cluster because when seen visually, the loops of stars and dark lanes look like the swirling pattern of rose petals as seen from above.
Picture done at Vauvenargues in France
Camera : QHY163M cooled (-10°c)
Scope : Newton 150mm f/4
Mount : Avalon Linear
Guiding : QHY5LII + Canon 200mm F/4 L IS
Color : LRVB
1.5 hours Exposure with :
L : 60x60"
R : 15x60"
B : 15x60"
G : Synthetic
no Dark
no Bias
NGC7789 - Caroline's rose 🌹
APOD of the 15th November 2017 :)
apod.nasa.gov/apod/ap171115.html
NGC 7789 is an open cluster in Cassiopeia that was discovered by Caroline Herschel in 1783. Her brother William Herschel included it in his catalog as H VI.30. This cluster is also known as "The White Rose" Cluster or "Caroline's Rose" Cluster because when seen visually, the loops of stars and dark lanes look like the swirling pattern of rose petals as seen from above.
Picture done at Vauvenargues in France
Camera : QHY163M cooled (-10°c)
Scope : Newton 150mm f/4
Mount : Avalon Linear
Guiding : QHY5LII + Canon 200mm F/4 L IS
Color : LRVB
1.5 hours Exposure with :
L : 60x60"
R : 15x60"
B : 15x60"
G : Synthetic
no Dark
no Bias