International Archives of Photogrammetry and Remote Sensing, Vol. 32, Part 7-4-3 W6, Valladolid, Spain, 3-4 June, 1999 
courtesy of Dasa company 
scanning 
principle of the camera 
flight direction 
— ► 
MOMS-2P camera on MIR/PRIRODA 
Fig. 1. MOMS-2P image acquisition geometry. 
pushbroom scanner developed by the former Messerschmitt- 
Bolkow-Blohm company (MBB), now Daimler Benz Aerospace 
(DASA). MOMS-02 was first flown during the Second German 
Spacelab Mission D2 on Space Shuttle flight STS-55 and 
acquired data between the 26th of April and the 6th of May 
1993 (Seige, 1995). Since April 1996, the MOMS-02 
instrument is operational on the PRIRODA module of the 
Russian Space Station MIR (MOMS-2P) (Seige et al., 1998). 
MOMS-02 is designed for a dual lens, four band spectral data 
acquisition in the VIS and NIR range and for along-track stereo 
recording using a panchromatic band for one nadir and two off- 
nadir looking modules (Bodechtel and Zilger, 1995). The new 
aspect about MOMS-02 is the along-track stereo capability in 
the panchromatic region. The stereo module consists of forward 
and backward looking cameras with an off-nadir viewing angle 
of 21.4 °, which can be combined with nadir-looking cameras 
(the panchromatic high resolution one in the full stereo mode, 
or two multispectral ones). 
Band 
Orien 
tation 
Bandwidth 
D2 , Priroda 
(nm) 
Swath width 
D2 (left) / Priroda 
(right) (km) 
Pixel size 
D2 / Priroda 
(m) 
1 
Nadir 
449-511 
78/43 
105 
13.5 
18 
2 
Nadir 
532 - 576 
78/43 
105/58 
13.5 
18 
3 
Nadir 
645-677 
78/43 
105/58 
13.5 
18 
4 
Nadir 
772 - 815 
78/43 
105/58 
13.5 
18 
5 
Nadir 
512-765 
37/27 
50/36 
4.5 
6 
6 
+21.4® 
524 - 763 
78/43 
105/54 
13.5 
œ 
7 
-21.4° 
524 - 763 
78/43 
105/54 
13.5 
18 
Table 1. MOMS-02 D2 and PRIRODA characteristics. Mode 
3 (D2) and mode D (PRIRODA) bands are marked 
in grey. 
The center wavelengths and widths of the multispectral (MS) 
bands were optimised for vegetation related purposes. The 
center wavelength of the panchromatic bands was designed to 
minimise the atmospheric attenuation in the blue region and to 
get a maximum contrast between vegetated and nonvegetated 
surfaces by including the steep increase of vegetation’s 
reflection at the beginning of the NIR wavelength region 
(Kaufmann et al., 1989) (Figure 2). 
MOMS - 02 
position and width of spectral bands 
Fig. 2. Position and bandwidth of MOMS-02 
multispectral and panchromatic bands. 
In the „multispectral approach“ the 
nonoverlapping blue, NIR and 
panchromatic bands were used. 
During the D2 mission, seven modes (band combinations) could 
be acquired alternatively. With the pre-operational PRIRODA 
mission the modes have been reduced to four. Additionally, for 
the combined multispectral/stereo combination (with D2 mode 
3, with PRIRODA mode D) band 3 (red) used in D2 has been 
replaced by band 1 (blue). The option for calculating NDVI 
(D2) was substituted by the options: (i) to get a false colour