The Moon Joins the Mercury-Mars Party
Although closest approach between Mercury and Mars was Friday night, the show is still going on and the Moon is joining the party. But before I get to that, sunset was particularly nice tonight. There were several nice flashes starting with green and even including blue and purple. Interestingly enough, last year on almost exactly this same date, I got wonderful pics of multicolored flashes as well. Wondering if there is something about this mountain that makes it particularly conducive to producing this phenomena. Click to see larger versions and look close for the colors.
After sunset, I was actually more interested in seeing the crescent Moon tonight. I knew it could be a challenge since new Moon occurred earlier today (12:22am MST) so the Moon would be less than 19 hours pas new. I finally spotted the Moon at about 6:43pm putting the Moon 18 hours and 21 minutes past new. At this time less than 1% of the Moon was illuminated.I probably could have found it a few minutes earlier, but I was looking a little too far south for it…I found it a little farther north than I was expecting (that will teach me to look up its azimuth before I go observing!) Here is a close up of the very young crescent Moon with a plane flying by.
As I said, Mercury and Mars are still fairly close together so I turned my attention to them. My real goal was to see if I could get Mercury, Mars and the crescent Moon. The Moon was rapidly setting at that time and I barely got it. Mercury is the brighter one toward the top and Mars is slightly beneath it. I got a plane in this one as well. The Moon is lower in the sky and its light is passing through more atmosphere so it doesn’t show up as well. Look to the lower right of the bright plane, just above the horizon. You have to look very close.
Tomorrow night the Moon will be much higher in the sky and easier to see. The Moon will be above and to the right of Mercury and about 3.8% illuminated, much easier to see. Mars will be the toughest of the three to pick out against the twilight sky, so have patience but don’t wait too long or they will set behind the western horizon before you see them!
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