green

• by luciaderrico

  what is it? I do not understand. It looks like a green bucket, help me to understand. thank you

  Posted February 8, 2017 11:45 PM

• by zoob1172

  imaging device artifact http://skyserver.sdss.org/dr9/en/tools/chart/navi.asp?ra=207.20876413&dec=27.95001051

  Posted February 9, 2017 1:46 AM

• by Budgieye moderator

  Images were taken at different times, then attached together.

  

  Posted February 9, 2017 6:53 AM

• by zorrobis

  sono un appassionato di astronomia, ma non capisco come ci possa essere un'emissione verde da un oggetto rosso, penso sia solo una sovrapposizione fotografica

  Posted February 17, 2017 9:17 AM

• by ElisabethB moderator

  The red object is a foreground star from our galaxy. The red color, the spikes and the green 'glow' are all optical artifacts.

  Posted February 17, 2017 10:50 AM