by Alfonso Carreño
To obtain the artificial RGB I have used the combination Red = HA, Green = SII, Blue = OIII, and the data are:
- 16 hours @ ISO800 HA (900 and 1200")
- 7 hours @ ISO800 SII (900 and 1200")
- 2 hours @ ISO800 OIII (1200")
- Long Perng 100ED f4.8
A greeting.