The bubble nebula, NGC 7635 is located in the upper left corner with the open cluster M52 located in the lower right. North is down.
Click image for larger version (1200x811, 1000kb).
|Telescope||AP130 @ f6 using AP field flattner.|
|Camera||Canon 350D, Hutech modified type I|
|Exposure||Stack of 21, 9 minute exposures at ISO 800|
|Notes||40°F, 70%rh, very good transparancy|
Calibrated with bias, dark and flat frames.
Initial RAW conversion, registration and stacking in IRIS.
Noise reduction in PixInsight LE 1.02 Additional adjustments in Photoshop CS2