Untitled Document

NGC1491

Click Image for Larger Version

NGC1491 is an emission nebula in Perseus that has strong Hα and OIII components.  This image incorporates OSC star color with the bi-color narrowband data. 

Acquisition Details

Hα = 37x10min
OIII =  89x10min
OSC = 60x5min

Total = 26hrs

Captured with Sequence Generator Pro.  Processed with Pixinsight.



2011

SII=6x20min
Hα=8x20min OIII=9x20min

False RGB color image from narrowband filters. R=Hα+24%SII  G=OIII  B=OIII+15%Hα