Truely outstanding nebula in the winter sky. This large nebula carries several NGC designations including NGC 2244 (the central star cluster) as well as NGC 2237 - 2239 and NGC 2246. More information about the Rosette nebula can be found on the SEDs website.
Click image for larger version (1440x975, 716kb).
|Location||Flint Hills of Kansas|
|Telescope||AP130 @ f4.5 w/AP telecompressor|
|Camera||Canon 350D, Hutech modified type I|
|Exposure||Stack of 21, 8 minute exposures at ISO 800|
|Notes||29°F, 91%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