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M20The Triffid NebulaEmission and reflection nebula in Sagittarius in HaLRGB |
Other image sizes |
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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. |