Gum 37

Constellation: Carina

Gum 37 (RCW 54c), also known as the Southern Tadpole Nebula, is an emission nebula in the constellation or Carina. Its distance from Earth is about 9’485 Ly. It is associated with the star cluster NGC 3572, and at the bottom of the image, one can see the planetary nebula PhJa1. Link to interactive sky chart.

Dates:

This is derived from the outstanding data taken by Martin Pugh during January 2025 (Martin’s website: Remote Astrophotography with Martin Pugh (martinpughastrophotography.space).

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

Colour palette is HSO (image 1) and SHO (image 2)

Telescope & Mount:

Planewave CDK24 on a Planewave L600 mount.

Imaging:

Camera: Moravian C1-61000 (bin 2×2)

Nebula:
Astrodon Ha: 21x900s
Astrodon OIII: 21x900s
Astrodon SII: 28x900s
Astrodon L: 15x600s

Stars:
Astrodon R: 12x180s
Astrodon G: 12x180s
Astrodon B: 12x180s

Total integration time: 21h 48′