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Ha-RGB  Bubble Nebula in cassiopeia

NGC7635    M52     NGC 7538

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instrument: Skywatcher Black Diamond ED80/510  Skywatcher Flattener x0,85
camera: Moravian G2 8300 FW
mount: Neq6Pro
guiding: Guiding with Finderscope and Lacerta Mgen from Teleskop Austria
exposure time: Moravian 8300 FW HA RGB    50-45-30-60 , RGB 5min each channel, total 3h05min
location,date:  Bruck a. d. Glocknerstrasse 2011-08-24-25-26
processing: Pixinsight 1.7, Photoshop CS4
object info Emmision nebula
magnitute 11
seeing 7-8/10
distance 11000 Lj.
dimension 15' x 8'
notes Moravian -20 °C, RGB Filter Astronomik 2c ,HA 12Nm

All Images Copyright  © Patrick Hochleitner