GK Persei: Nova of 1901
|Optics||32-inch Schulman Telescope (RCOS)|
|Camera||SBIG STX CCD Camer|
|Filters||Astrodon Gen II|
|Dates||August and September 2011|
|Location||Mount Lemmon SkyCenter|
|Exposure||L(Ha)RGB = 2400:150:150:150 minutes|
|Acquisition||ACP Observatory Control Software (DC-3 Dreams),TheSky (Software Bisque), Maxim DL/CCD (Cyanogen)|
|Processing||CCDStack (CCDWare), Photoshop CS5 (Adobe)|
|Credit Line & Copyright||Adam Block/Mount Lemmon SkyCenter/University of Arizona|
Please see this animation showing the expansion of the Gk Persei nebula!
Also see this picture showing the extended Hydrogen-alpha emission in a large envelope. The star's motion through space compresses the leading (bottom) edge of this halo. Bipolar jets are also visible bisecting the envelope.