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
