Image of the day

Captured by
Douglas Rollain

M20 Trifid Nebula in LRGBHa

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Rosette and Cone image

Rosette and Cone


Acquisition Details
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Description

The classic and beautiful Rosette and Cone nebulae complex. Taken with a Nikon180mm, STL11K camera, Barr Associates 4nm H alpha filter, 9 hours total exposure. Processing in Maxim, with log and gamma stretches, and unsharp mask to increase the contrast.