(Click on image for full size version)
| Exposure Data: | 8/27/2006. CRGB: 13x10m, 4x10m,
4x10m, 4x10m. RGB 2x2. -25°C, 0.55 arc-sec./pixel. |
Processing: |
Acquired via CCDAutoPilot 3 and CCDSoft,
reduced, aligned and combined in CCDStack, 5 iterations of
Vanderbei decon, LLRGB
combine, curves, levels, and other processing in Photoshop. |
| Optical System: | 14.5” Ritchey-Chretien @ F/9 w/FFC, IMG6303E/CFW-7 CCD
camera, AstroDon filters, Paramount
ME, dithered 3 pixels, off-axis guided. |
| Comments: | Combined luminance was 1.6 arc-sec. during a
night of exceptional seeing. The full size image has a mag 6.6 star at
the right. Not having a cover slip shows how small the star can be.
Other than a little background color correction, no Photoshop shrinking of
the star was employed. |