![](https://ocastronomers.org/wp-content/uploads/2018/12/M42-NB-021009-HaS2O3-15Hrs.jpg)
M42 Narrow Band Ha S2 O3
Image Linkhttps://ocastronomers.org/wp-content/uploads/2018/12/M42-NB-021009-HaS2O3-15Hrs.jpg
Photographer John Castillo
Optics Used TOA-130F @ f7.7 1004mm
Camera Used SBig STL11000M C2
Settings / Equipment 15 Hrs with 20 Min Subs
Location Backyard In Whittier, CA
Date / Time November 27, 2012 12:00 am
Copyright John Castillo
Additional Information Using Ha, S2, O3 filters