(Click on image for full size version)
|Description:||This grouping of six galaxies is extremely
small and faint. See the full size image for a perspective on the
size. The FOV of the full size image is 12 x 18 arc-min. Even
though they are tightly grouped, one of the six has a dramatically different
red shift from the other five. A chance grouping or some other
|Exposure Data:||5/27/2003. LRGB: 18x10m, 4x10m, 4x10m,
4x10m. RGB binned 2x2.
-10°C, 0.49 arc-sec./pixel.
|Processing:||Acquired via Sequencer in Maxim, reduced and
aligned in Mira. double size, Sigma Reject combine, RGB combine in Maxim. Lum
5 iterations in CCDSharp. LLRGB assembled
with curves, levels and other adjustments in Photoshop.
|Optical System:||12.5” Ritchey-Chretien @ F/9, ST-10XME NABG/CFW-8A
CCD camera, Paramount ME. L: AO-7 guided, RGB: autoguided.
|Comments:||A very difficult target under suburban skies.
Estimated sky background is 20.2 mag/arcsec2.