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Acquisition Date | : | 08/27/2006, Fremont Peak, California |
Camera | : | Canon 20D unmodified about 54 degrees F |
Camera Settings | : | 4 cr2 raw frame - 4 x 20min 1600ISO RAW, with save to PC and convert upon download. Also included JPG, which I like to do so I can check on things without having to do a lot of processing. Darks, flats and bias taken just before sunrise. In-camera noise reduction ON Mirror lock off |
Telescope/Optics | : | 600mm f/7.5 Orion ED80. |
Mount | : | AP1200 2006 series guided through Orion ST80 (400mm f/5.0) with DSI IIc, GPUSB shoestring, MaximDL |
Adapter / Prime / Afocal / Other | : | None North is up in this image, though it was to the left in the source images due to the way I have to place the camera on the mount, |
Weather/Conditions | : | Clear - seeing was as good. |
Processing Package / Processing Applied | : | Manually focused using IP fwhm focus data. Captured using Images Plus 2.75 for focus/capture/calibrate/align/stack averaged. |
Web Site | : | www.davesamuels.com |
NOTES | : | M45 is located at RA 3h 46.807m, DEC +24deg 11.355' (J2000) Notice the small galaxy just to the right of Electra (on the right side of the image RA 3h 43.742m, DEC +24deg 3.644'). It is UGC 2838 at 17.29 mag (StarryNight - 17.89 by other accounts). |