Jul 24
The Blue Flash Nebula, NGC 6905 // binsky161
seen from United States
seen from China
seen from Iraq
seen from United States
seen from China
seen from China
seen from Canada
seen from China
seen from United States
seen from United States
seen from China
seen from United States
seen from United States
seen from China
seen from United States
seen from China
seen from United States
seen from Taiwan
seen from United States
seen from Netherlands
The Blue Flash Nebula, NGC 6905 // binsky161
The Blue Flash Nebula, NGC 6905 // Frank Sackenheim, Rainer Raupach, Capella Observatory, Stefan Binnewies, & Josef Pöpsel
NGC 6905 – The Blue Flash Nebula in Delphinus
NGC 6905 – The Blue Flash Nebula in Delphinus
Here is a 15-minute combined exposure of the Blue Flash Nebula of the constellation Delphinus (also known as NGC 6905). The inset has the brighter surrounding stars removed and adjusted to bring out some details. Focus slipped out on this somewhat – back on the target list for next season. Tech Specs: This image is composed of 60 x 15 second images at ISO 3,200 with 5 x 15 second darks and 5 x…
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