Abell 50
Abell 50 - Planetary Nebula in Draco (NGC 6742, PK 78+18.1)
Full scale crop: 1600x1078 pixels
| Image Type: | RGB | Constellation: | Draco |
| Telescope: | 10" Aries f/15 Maksutov-Cassegrain on Astro-Physics 900GTO German Equatorial | Object: | Planetary Nebula |
| Focal Length: | 2692mm | Distance: | |
| Resolution: | 0.52"/pixel at full size | Dimensions: | 33" |
| Accessories: | Moravian G1-0300 as Off-Axis Guider, 0.67X Astro-Physics CCD Telecompressor | Magnitude: | 13.4 (V) |
| CCD: | QSI 532wsg, running at -20 deg. C | ||
| Exposures: | R, G, B: 10x100s, Total 50 minutes |  Aries MCT in Malvazinky Observatory |
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| Filter(s): | Astrodon Tru-Balance E-Series | ||
| Exposure Date: | 10th June 2011 | ||
| Location: | Malvazinky Observatory in Prague, Czech Republic | ||
| Seeing, FWHM: | 1.5-2" | ||
| Processing Software: | MaximDL, CCDStack, PixInsight, Photoshop | ||
| Image Acquisition Software: | MaximDL, TheSky6, CCDAutoPilot, FocusMax, PinPoint | ||
| Remarks: | 20.0m central star barely visible, very poor transparency, moonlight. Processing: Automatic Background Extractor (twice, 10th order, substract) to flat field - no real flat frames were used; |
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