Howard's Astronomical Adventures
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M52 & NGC 7635 Area in Cassiopeia

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).

Photograph Information
LocationClearfield Observatory
TelescopeAP130 @ f6 using AP field flattner.
CameraCanon 350D, Hutech modified type I
ExposureStack of 21, 9 minute exposures at ISO 800
Notes40°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

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