More
M76: Planetary Nebula in Perseo - L(Ha)-RGB version
Ha-enhanced version of the LRGB composition shown at:
http://www.astrobrallo.com/gallery/index.php/DOME-2/color/M76-ultima-marco-enh
The Ha contribution to the natural color LRGB helps to make most of the fainter structures of the nebula more visible
Technical data:
RC-14” F/8,4
SBIG STX 16803
LRGB Filters Baader LRGB
Mount: Gemini Telescope Design - MOFOD Fork Mount
L(Ha)-R:G:B 285(240)-60:45:60 (minutes)
SQM: 21.1-21.2 Seeing: 2.1"-2.5"
Authors:
Acquisition: F. Antonucci - M. Angelini - F. Tagliani
Image Processing: Francesco Antonucci
Parco Astronomico del Brallo
http://www.astrobrallo.com/gallery/index.php/DOME-2/color/M76-ultima-marco-enh