ngc6888_bicolor

NGC6888 - Crescent nebula

 

5nm ha 24x600s, 7x1800s (7.5h)

5nm oiii 20x600s, 13x1800s (9.83h)

 

(R:G:B) = (Ha:OIII:(0.8xOIII+0.2xHa))

 

OTA: Ceravolo 300 riding on an AP1100AE

camera: FLI Proline 16803

 

acquired at sierra remote observatories, auberry, ca, June/July 2015

 

processing in PixInsight 1.8

 

 

this is a collaborative project between John Kasianowicz, Daniele Malleo, Leonardo Orazi, Rob Pfile, Rick Stevenson and Jerry Yesavage.

 

Done