Caldwell 1

Date: 25 August 2022

Altitude: 33 degrees

Angular Size: 45' x 45'

Position Angle: 2° 12' from north through east

Orientation: North up; East left

Pixel scale: 1.30" per pixel

Total exposure time: 60 minutes

B filter: 55 x 28 seconds

V filter: 55 x 21 seconds

R filter: 55 x 16 seconds

Caldwell 1 is also known as NGC 188

Open cluster: classification II2r

Number of stars: ~120

Constellation: Cepheus

Age: 4.3 billion years

Diamater: 33 light years

Distance: 6,700 light years

Notes

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