Some faint emission nebulae look best when processed in black and white, using only the red part of the image. This is for the reason that these nebulae emit mainly in the deep red, where human eyes ...

Many astrophotos feature exposures of 12 hours or more. Since nighttime darkness is only about this long, this implies ...

Simply THE most comprehensive guide to the Messier Objects ever published • Combines detailed historical, astrophysical, statistical and observing information for each object with stunning astrophotos ...