| Below you find a crop in 50% size. |
M20 (Trifid
nebula) and M21 open cluster in Sagittarius
| Below you find a crop in 50% size. |
| Image details: |
| -
instrument: - camera: - mount: - guiding: - exposure time: - location, date: - observing conditions: - processing: |
TMB
130/780 apochromat with field flattener modified Canon EOS 350D (Baader filter inside) Synta EQ6 + Boxdörfer DynoStar, 72/500 refractor, SBIG St-4 21x5min at ISO800 Agasvar (Mount Matra), Hungary; 2007.07.14. transparency: 6/10, seeing: 8/10, temp.: +21°C Iris, Registar, Photoshop |