Hemisphere:  Southern  ·  Constellation: Vela (Vel)
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GUM 15--The Southern Heart Nebula, 


            Russ Carpenter
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GUM 15--The Southern Heart Nebula

Technical card

Dates:Feb. 13, 2019

Frames: 15x600"

Integration: 2.5 hours

Avg. Moon age: 7.95 days

Avg. Moon phase: 56.01%

Astrometry.net job: 2845616

RA center: 8h 45' 7"

DEC center: -41° 19' 20"

Pixel scale: 0.964 arcsec/pixel

Orientation: -90.058 degrees

Field radius: 0.436 degrees

Resolution: 2120x2470

Data source: Amateur hosting facility

Remote source: ChileScope


Here is a rework of old data for GUM 15. This emission nebula does not have a common name, so I have dubbed it the “Southern Heart Nebula.” To me, it seems a lot more anatomically correct than the Heart Nebula in Cassiopeia.

Tech Notes:
ASA Newtonian, 500 mm aperture, 1900mm focal length, F3.6
FLI Proline 16803, 9 mm pixel, 4096 X 4096
ASA DDM85 equatorial mount
Processing with PixInsight and Affinity Photo


Sky plot

Sky plot


GUM 15--The Southern Heart Nebula, 


            Russ Carpenter