| OBJECT |
NGC 7635 - Bubble Nebula (image is reduced-size | other sizes: medium , original) Distance: 7,100 to 11,000 light years |
|
| Telescope | Takahashi TOA-130F @ f/7.7 | |
| Mount | Takahashi EM200 Temma II | |
| Camera | QSI 540wsg @ -15C | |
| Filters | Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen 2 | |
| Guider | SX Lodestar | |
| Settings | 12x10min Ha, 3x10min L (bin1x1); 4x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias) | |
| Date/Location Notes |
3 September 2017 - Las Cruces, NM Published in BBC Sky at Night Magazine, Feb 2018 issue (PRINT), pg 31 (photo). Published as Astronomy Magazine Picture of the Day, 15 Dec 17 (screenshot). Published as Space.com "100 Most Amazing Space Photos of 2017" (screenshot). Published as Space.com "Space Image of the Day": - 28 Nov 17 slot (screenshot) This image is LHaRGB, where Ha was used in combination with Luminance and Ha:R (80:20) was used for the Red channel. |
