Category: narrowband images
These images use narrow filters that let in only a small sliver of light. Images produced in this way can approximate natural color but are more typical mapped psuedocolor images. While the color isn’t the actual color, ti allows greater detail and contrast than broadband filters.
Messier 8 (SHO)
Messier 8, the Lagoon Nebula, is one of the showpiece nebulae of the summer sky. It’s in Sagittarius so it is low in the south for those of us at mid-northern latitudes. But, it is worth pointing the telescope that low! I’ve read that the Lagoon is actually bright and large enough to be seen…
Sh2-112 (SHO)
As the northern hemisphere moves into late spring, the Milky Way comes into view before midnight. And that means all those wonderful nebulae are now ready for their closeups! This one is Sharpless 112 (Sh2-112), an emission nebula in Cygnus. Specifically it’s the bright, circular region near the center. But, it’s clear that this is…
Linda's Astronomy Adventures 