Date: 22 June 2022

Altitude: 19 - 22 degrees

Angular Size: 1° 00' x 0° 45'

Position Angle: 1° 50' from north through east

Orientation: North up; East left

Pixel scale: 1.30" per pixel

Total exposure time: 59 minutes

B filter: 27 x 55 seconds

V filter: 27 x 42 seconds

R filter: 27 x 33 seconds

Caldwell 72 is also known as NGC 55

Galaxy: Classification SBm

Constellation: Sculptor

Distance: 6 million light years

Diameter: 43,000 light years

Notes

Along with its neighbor NGC 300, NGC 55 is one of the closest galaxies to the Local Group,

probably lying between the Milky Way and the Sculptor Group. It is likely that NGC 55 and

NGC 300 (Caldwell 70) form a gravitationally bound pair.