Black and white photos in a narrow band


HST palette and bicolor photos are stacked with layers of narrow-band filters. These images shot from the hydrogen alpha, ionized oxygen or ionized sulfur show fine details of the object that they stand independently, without colors.

Szív-köd FFElefántormány-ködBoszorkány seprű LBN862 HAIC410 HA, OIIIOroszlán sörényejTulipán-köd HA, OIII