Mars - Sunday 5/6/01

by Kevin Schuerman


I, too, was observing Mars on Sunday morning. Here's what I saw with the Takahashi FS128 and 4mm Radian (260x) from my yard in Santa Clara:

0845 UT - Syrtis Major on the central meridian, and was very dark. Iapygia, Mare Tyrrhenum, Mare Hadriaticum and Mare Serpentis also seen. Distinct separation between Mare Serpentis and Sinus Sabaeus seen. The pole areas appeared to be slightly brighter than the rest of the disk, with the south polar area much larger due to merging with Hellas. An orange filter (Wratten #21) greatly helped the contrast of the surface markings. With the filter, I was beginning to see finer shading differences around Iapygia.

My views were a confirmation of Mars at CM longitude = 270 degrees as represented on the bottom of page 103 of S&T, May, 2001. I was not able to see the Utopia area near the north pole, nor the bright spot near Syrtis Major, however.

According to the chart in that article, Mars was then and still is between 15 and 16 seconds in diameter.