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Mars is the most Earthlike of the planets. It is about half the diameter of the Earth and a tenth of its mass. Its orbital period of 1.9 years means that it and the Earth are close enough together for a few months every two years to make imaging practical.
All the images on this page were made with a Quickcam 4000 webcam on a 300mm LX200 operating at f/15. This method involves collecting hundreds or thousands of individual frames and then picking the very best to stack and process. Some details on the method are here.
Mars, UT 2003.09.16 06:06. Image was made by combining a stack of 50 individual frames collected at 1/25 second exposure.
Mars, UT 2003.09.05 06:26. Image was made by combining a stack of 100 individual frames collected at 1/25 second exposure.
Mars, UT 2003.08.27 09:33. Image was made by combining a stack of 50 individual frames collected at 1/50 second exposure. This image was made 20 minutes before Mars reached its closest point to the Earth in over 60,000 years, only 55.8 million kilometers.
Mars, UT 2003.08.20 06:43. Imaged with a Quickcam 4000 on a 300mm LX200 operating at f/15. Image was made by combining a stack of 40 individual frames collected at 1/50 second exposure.
Mars, UT 2003.08.02 08:29. Image was made by combining a stack of 30 individual frames collected at 1/50 second exposure.
Mars, UT 2003.07.31 07:43. Image was made by combining 30 frames collected at 1/100 second exposure. Simulation is shown on the right.
Mars, UT 2003.07.29 11:06. Image was made by combining a stack of 40 individual frames collected at 1/100 second exposure.
Mars, UT 2003.07.21 06:30. Image was made by combining a stack of 50 individual frames collected at 1/25 second exposure. The rendering on the right was generated by the program Mars Previewer, and presents a higher resolution view of the surface features of Mars for comparison.
