| Object | M97 - planetary nebula - | ||||
| Telescope | Celestron C-8 203mm f6.3 TeleVue 76 guide telescope & QuickCam. | ||||
| CCD | Starlight MX716 CCD camera. Astronomik RGB filters. | ||||
| Exposures |
|
|
|
|
|
| 138' (138 x 60") | 25'
(25x60") |
30'
(30x60") |
50'
(50x60") |
||
|
|
|
26 Apr 2005 | |||
| Processing | Flats, Darks & Bias
calibration
and aligning in AIPWin. Combining in Ray Gralak's Sigma-Clip. Deconvolution in AstroArt with Robert Vanderbei's plug-in. RGB combine in Maxim DL. PhotoShop: Curves Adjusts. L (50% opacity) and RGB layers, gaussian blur and color saturation. Final image: LLRGB layers. |
||||