| OBJECT |
Jellyfish Nebula (IC 443 / Sharpless 248 (Sh2-248)) (top image is reduced-size | other sizes: medium , original) Bottom image is an "Ha-only" view Distance: 5,000 light years |
|
| Telescope | Takahashi FS-60C @ f/6.2 | |
| 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 | 7x20min Ha, 3x5min L (bin1x1); 3x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias) | |
| Date/Location Notes |
13 October 2015 - Las Cruces, NM Published as Astronomy Magazine Picture of the Day, 2 Aug 17 (screenshot). Published in All About Space magazine, Issue 49, Mar 16, pg 91. Published in Cosmic Pursuits, 19 Jan 16. Published 24 Dec 15 (Christmas Present!): - 19th slot in Space.com "Space Image of the Day (December 2015)" (screenshot) This image is LHaRGB, where Ha was used in combination with Luminance and Ha:R (80:20) was used for the Red channel. |
