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| Description: | These two galaxies, M66 on the left and M65 on
the right, together with
NGC3628 are 30 million ly distant and are
thought to be interacting. |
| Exposure Data: | 3/12/2005. LRGB:30 x 5m, 8x5m,
8x5m, 8x7m. RGB binned 2x2. -20°C, 0.56 arc-sec./pixel. |
Processing: |
Automatic acquisition, dithering, focusing via CCDAutoPilot2 and CCDSoft,
reduced and aligned, in Mira, L: 50 RL iterations in AIP4WIN, RGB combine in Maxim, 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 4 pixels,
unguided. |
| Comments: | FWHM 2.2 arc-sec. center, 2.3 arc-sec. corner.
Automatically acquired from both sides of the meridian in one session. |