λ=213゚Ls,
(ω=031~ 051°W,
φ=21°S),
δ=16.7",
ι=37°
Seeing: 3-4 /10.
Note:
The dark areas including Nereidum Fretum are made of large dark patches, and the famous one protruding into Argyre is shot. Otherwise these show the areas including Mare Erythraeum have been devastated by the previous Great Dust Storm in 2001. These also show some dark markings in Chryse. Niliacus L is not particularly separated from M Acidalium.
Instrument:
Use is made of an f /7.7 Newtonian extended to f /50 having a 25 cm speculum equipped with an ST-5C (at -5゚C).
Image data are
18-35 IR images each exposed with 0.05 secs
20-30 R + IR Rejection images each with 0.2 secs
14-21 G + IR Rejection images each with 0.2 secs
10-35 B + IR Rejection images each with 0.2 secs
Filters: Koh-Ei-Sha's interference RGB filter of Type 3.
The Morita Observatory is located (132.3°E, 34.3°N) at Hatsuka-ichi, Hiroshima, Japan.