Mars Sketch (15)
from CMO #213 (10 March 1999)
Mars (20 Mar 1997) by K OKANO
E here cited one of the best CCD images of the 1997 Mars made in Japan, which was taken in Tokyo by Kunihiko OKANO at the opposition time (16:52GMT) on 20 March 1997 (reported at page 2081 in CMO #190).
The season was at 093 °Ls, and ω=181°W, φ=23°N, and the apparent diameter=14.2".
OKANO used a 31cm speculum equipped with an ST-5. The image was obtained with the exposure time 0.1 secs by the use of an orange filter (O56). The image was processed by an MEM.
OKANO once visited
D PARKER's images (7 Mar 1997) left: Red right: Blue
In the Japanese part, we tried to discuss about some characteristics of the image including some possible ghosts by comparing with the CCD images by Don PARKER taken on 7 March 1997 (087°Ls) at ω=153°W and the HST images on 10 March 1997 (089°Ls).
HST's images (10 Mar 1997) left: Red right: Blue
OKANO's home-page is at the following URL:
(Mn : Masatsugu MINAMI)