| OBJECT |
NGC 7293 (Helix Nebula - aka, "Eye of God") in HaRGB (image above is reduced-size | other sizes: medium , original) Distance: 700 light years |
|
| Telescope | Takahashi TOA-130F @ f/7.7 | |
| Mount | Takahashi EM200 Temma II | |
| Camera | QSI 540wsg @ -10C | |
| Filters | Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen 2 | |
| Guider | SX Lodestar | |
| Settings | 9x20min Ha (bin1x1); 2x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias) | |
| Date/Location | 28 September 2013 - Las Cruces, NM Published in All About Space Magazine, Issue 82, Sep 18, pg 91. Published by Astronomy Today, 19 May 15. Note: This object imaged to south, directly into "red level" light pollution in my city, which Ha ignores (but the RGB was a challenge). |
