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middeck for landing). The crew stowed dirty laundry in a mesh bag on the middeck which freed additional locker space. 

Camera Operations

STS 41-G was overly blessed with photographic equipment including: 

a. Television - Four payload bay cameras, two RMS cameras, and two in-cabin cameras. All cameras functioned nominally except for the RMS elbow camera which lost color wheel sync.

b. 35mm Camera System - Three Nikon 35mm cameras were carried--two for in-cabin and EVA photography and one for the Auroral Photography Experiment (APE). Ten rolls of film were expended with the APE camera and 20 rolls of film were expended with the standard configuration cameras. No problems were encountered with the 35mm cameras. 

c. 70mm Camera System - As usual the 70mm Hasselblad cameras afforded excellent out-the-window coverage. Twenty magazines of film were carried and expended. The only problem encountered was with one magazine that jammed and caused the camera to blow a fuse. The magazine was replaced and there were no further problems. 

d. 16mm Camera System - The Arriflex affords the crew a simple way of obtaining high-quality 16mm movie film, assuming there is an adequate power source. Each of the two battery packs had enough power to expose approximately 1-1/2 magazines of film (three total). Three magazines were returned unexposed. It is recommended that an alternate or more dependable source of power be implemented for the 16mm camera system (R). 

e. Linhoff Camera System - The Linhoff camera was simple and trouble-free throughout the flight. As in previous flights, it's a "best guess" as to where it is pointing and when the magazine is out of film. These two features could be improved upon (R). 

f. IMAX Camera System - As was expected, the IMAX camera was "space consuming." There were some instances of film breaking (on one roll of film) and difficulty in loading the magazines which may be attributed to cabin heat and/or humidity. Nine rolls (9,000 feet) of IMAX film were exposed during the flight. 

ERBS

The Earth Radiation Budget Satellite (ERBS) was deployed on flight Day 1, although problems with appendage deployment and with an antenna software load delayed the release for two orbits. Crew inerface with the spacecraft was limited to the Standard Switch Panel (SSP), and the crew had little role in the spacecraft checkout (and little insight into the spacecraft's health). The crew was to use the RMS to grapple and unberth the ERBS, use the SSP to deploy the solar panels and ESSA antenna, and then to release the ERBS into orbit. 

The grapple and unberthing were nominal, and no problems were encountered until the attempted deployment of the -Y solar panel. When deployment was commanded from the SSP, the solar panel did not appear to move. Microswitch data available on the ground indicated a small amount of motion. The EOCC