M97
Messier 97 - The Owl Nebula in Ursa Major
Mouse over for HDR version, 68% scale versions: Non-HDR and HDR
| Image Type: | Narrowband bi-color (HDR) | Constellation: | Ursa Major |
| Telescope: | 10" Aries f/15 Maksutov-Cassegrain on Astro-Physics 900GTO German Equatorial | Object: | Planetary Nebula |
| Focal Length: | 2642mm | Distance: | 2600 light years |
| Resolution: | 0.53"/pixel at full size | Dimensions: | 3.4'x3.3' |
| Accessories: | Moravian G1-0300 as Off-Axis Guider, 0.67X Astro-Physics CCD Telecompressor | Magnitude: | 9.9 (V) |
| CCD: | QSI 532wsg, running at -20 deg. C | ||
| Exposures: | H-alpha: 10x20 min, O-III: 4x20 min. Total: 4.7 hours |  Aries MCT in Malvazinky Observatory |
|
| Filter(s): | Astrodon 3nm H-alpha and O-III | ||
| Exposure Date: | 9-10 April 2011 | ||
| Location: | Malvazinky Observatory in Prague, Czech Republic | ||
| Seeing, FWHM: | 1.8" | ||
| Processing Software: | MaximDL, CCDStack, PixInsight, Photoshop | ||
| Image Acquisition Software: | MaximDL, TheSky6, CCDAutoPilot, FocusMax, PinPoint | ||
| Remarks: | H-alpha mapped to red, O-III to blue and green | ||