NGC 4945

Constellation: Centaurus

NGC 4945 (a.k.a. Caldwell 83) is a barred spiral galaxy in the constellation Centaurus, located about 11 million Ly away. It is seen edge-on. NGC 4945 is thought to be similar to the Milky Way and has a combined estimated stellar of 38 billion times the mass of the Sun. Link to interactive sky chart.

Dates:

This is derived from the outstanding data taken by Martin Pugh in March and April 2023 (Martin’s website: Remote Astrophotography with Martin Pugh (martinpughastrophotography.space).

His telescope is located in Chile (Observatory: El Sauce).

Colour palette is HaLRGB.

Telescope & Mount:

Planewave CDK24 on a Planewave L600 mount.

Imaging:

Camera: Moravian C3-61000 (bin 2×2)

Data:
Astrodon Ha: 12x900s
Astrodon L: 19x900s
Astrodon R: 20x900s
Astrodon G: 25x900s
Astrodon B: 20x900s

Total integration time: 24h 0′