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4
Additional overflow trash was stowed in the Lithium Hydroxide (LiOH)compartment and in various trash receptacles throughout the vehicle. All in all, the trash stowage appeared to be adequate for the mission.

Orbiter Windows: The Orbiter windows 3 and 4 took one large hit each on ascent which caused approximately 4x8-inch smear on the left center of each window. In addition, there were several small smears on windows 2,3,4 and 5. As on previous flights, all of the windows exhibited various amounts of hazing after the SRB separation motor fired. The windows were very clean prior to ascent. 

After attaining orbit, the aft window covers were removed and windows 9 and 10 has frost between the windowpanes. Window 10 was by far the worst and the level of frost did not diminish during the entire flight. A method should be found to prevent the formation of frost in the windows since it impacts both crew visibility and photography resolution (R). 

During the time frame of payload bay closure, prior to entry, the aft windows fogged over (except for about a 1-inch strop around the edges). The fog was similar to what you get in a car on moist mornings and between windowpanes since it could not be wiped off from the inside of the window. 

Shuttle Portable Onboard Computer (SPOC): SPOC was a great addition to the Shuttle system. It allowed the crew to know where they were at a glance, provided excellent cues for acquisition of signal (AOS) and loss of signal (LOS) at both tracking and data relay system (TDRSS) and space flight tracking and data network (STDN) sites, and readily identified earth observation targets. The SPOC did not stop processing on several occasions but restarted successfully each time. The computer resided on panel L-10 and seemed to get very warm. SPOC may have to be placed in an area with good air circulation to preclude it overheating and possibly shutting itself down (R)

PHOTOGRAPHY/TELEVISION OPERATIONS
A myriad of photography/television systems were carried on STS 41-C. It was a juggling act for the crew to fill all of the photography/television requirements and still accomplish the primary mission, but because of good generic photography training, accomodating users, and in most instances, good equipment, a great deal of the photography/television scenes were obtained.

Three general comments that are applicable to all of the photography/television should be stressed:

1. The camera systems that are carried aboard the Space Shuttle should be reliable, trouble free, and simple. If there are once-in-a-lifetime pictures to be taken, a film jam or a camera damaging film is unacceptable. 

2. All camera lenses that have any potential for touching the Orbiter's windows should have bumpers on them to prevent scratching or damaging the windows (R)

3. The movie and television lights were an aid in insuring better quality interior photography.