October 19, 2019

NGC281 again (Oct 2019)

This is just 5x1800" in H-alpha with the Synta-ONTC 203mm f/4.95 Newtonian and the SXVF-H9.

1 comment:

Unknown said...

Hello,
What calibration did you use for this image? Bias, Darks, Flat?
I'm just now starting to use the camera and I'm using your page as a kind of reference.