

NGC 6950 - Cat's Eye nebula
The famous and elusive Cat's Eye nebula. Perhaps the hardest and most time-consuming image I had to process to date. Several different HDR techniques were applied to equalize the abruptly brighter core to the very faint outer shell. Be sure to click the full size image for a better view. Technical details: NGC6950 - Cat's Eye nebula Imaging telescope: AT12 RC astrograph f/8
Imaging camera: QHY9M CCD
Filters: Orion 2'' RGB
Mount: AP900 GTO
Other: Meade DSI guider, Robofocu


NGC 7008
Another planetary nebula image from last fall. Technical details: NGC7008 Imaging telescope: AT12 RC astrograph f/8
Imaging camera: QHY9M CCD
Filters: Orion 2'' RGB
Mount: AP900 GTO
Other: Meade DSI guider, Robofocus
Software: CCD Commander, Maxim DL, Photoshop CC 2014, Pixinsight 1.8 Date: Sep 6,7 2016
Exposure: RGB:6x300'' each, bin1, L: 20X300''
Total integration 3 hours
Location: Asteria observatory, Hocking Hills, Ohio, US Click image for larger image and prints


M97 - The Owl
First image of 2017. M97, or the Owl nebula. One of the best examples of planetary nebula in the night sky. Its central star shredded its outer layers, thousands of years ago. Technical details: Imaging telescope: AT12 RC astrograph f/8
Imaging camera: QHY9M CCD, -20C
Filters: Orion 2'' RGB
Mount: AP900 GTO
Other: Meade DSI guider, Robofocus
Software: CCD Commander, Maxim DL, Photoshop CC 2014, Pixinsight 1.8 Date: Feb 27, Mar 3, 2017
Exposure: RGB:6x900'' each, bin1, s