M101
Date: |
4/14/01 |
Exposure: |
LRGB: 6x10m,
3x10m, 3x10m, 3x20m. RGB binned 2x2.
-20°C, 2.65 arc-sec./pixel |
Processing: |
Acquired,
reduced, aligned, combined and RGB combine in Maxim, L+RGB combine, curves,
levels, bloom repair and other adjustments in Photoshop. |
Hardware: |
TV-140 5.5” f/5
APO refractor, ST-8E NABG/CFW-8A CCD camera, G-11 mount. |
Software: |
MaxImDL/CCD
v2.11, TheSky v.5.00.010, RoboFocus v2.13, Photoshop v.6.0.1 |
Location: |
32N, 111W, 893
meters Elevation |
Comments: |
Ok for a first
effort – needs improving. Reprocessed
in Mira (correct background) and MaxIm v3.04 (mild DDP) on 1/31/2002. Reduced gradient = more low level detail! |