Starship Asterisk*

Ann wrote:It's a great APOD! Does anyone feel like annotating it?
EDIT: Oh, it's been done already! Is that you, Geck? Thanks!

I supplied the annotated version

Thanks!
Rogelio

Rogelio Bernal Andreo, the photographer who took the image, is the first person to have photographed them. Actually, these clouds were already detected in the VTSS H-Alpha survey, and prior to my image, it was Sean Walker from S&T who noticed them in one of his own shots. I wrote the whole stor...

It looks so weird that way up. Can't say if this was intentional or accidental but this image of M31 has been rotated 90 degrees. The image appears rotated 180 degrees from the way it's usually photographed, but as pointed out, N/S/E/W orientations in space are mostly for our own reference. Most im...

It's pretty impressive to show so clearly the hydrogen features that the red plates from the POSS II DSS only show the barest hint of, and only then when pushed beyond any reasonable limits. I sense you've compressed a monstrous dynamic range into the result. Not bad - it looks pretty natural. Than...