NGC 663 (also known as Caldwell 10) is a young open cluster located 6,850 light years from Earth in the constellation of Cassiopeia. It has an estimated 400 stars and spans about a quarter of a degree across the sky. It can reportedly be detected with the unaided eye, although a telescope is recommended for best viewing. The brightest members of the cluster can be viewed with binoculars. Although the listed visual magnitude is 7.1, several observers have reported higher estimates.
Object Designations: NGC663
Also known as:
Constellation: Cassiopeia
Object Type: open cluster
Distance: 6850 light-years away
Magnitude: 7.1
Discovery: William Herschel in 1787
This final image is:
20 – 15 second subs at 100 gain – no filter – 5 minutes of integration
I processed the images using Pixinsight using:
Blink to clear out low quality images
Weighted Batch Balance
SpectroPhotometricCalibration
AutomaticBackgroundExtractor
BlurExterminator
NoiseExterminator
GeneralizedHyperbolicStrectch
ColorCalibration on both versions
StarXTerminator
Curves on both versions using other version as mask
Pixmath to put stars back with both images.
