M20

The Triffid Nebula

Emission and reflection nebula in Sagittarius in HaLRGB
 
Other image sizes
1024 x 768
1420 x 1040

Details:

Optics Celestron 80ED @ f/7.5 , guided with an 8" LX200 Classic @ f/6.3
Mount LX200
Camera Starlight Xpress SXV-H9
Filter Astronomik RGBIIc filters and 13nm Ha filter, IDAS filter for LRGB frames
Exposure Ha - 160 min X 10 min,  L - 80 min x 4 min clear, RGB - 192 min. :  ea. x 4 min.
Processing Acquired in AstroArt3,DDP. , final work in Photoshop7
Date 07.26.06-07.30.06
Location Elk Grove, CA
Notes Seeing and transparency average to poor.