SKYWATCH

Tulsa World - - Our Lives - — Chris Pa­gan

Sun­day:

To­mor­row morn­ing there is a clus­ter of bright ob­jects in the east­ern sky — one moon, one star and three plan­ets. The high­est is Venus, and be­tween that planet and the moon is the bright star Reg­u­lus. To the lower left of the moon are Mars and then Mer­cury.

The In­ter­na­tional Space Sta­tion makes a high bright pass in the morn­ing sky. The space sta­tion starts off at 6:41 a.m. 10 de­grees above the north­west hori­zon. Three min­utes later the ISS has moved al­most di­rectly over­head. The space­craft will con­tinue across the sky, but will be­come more dif­fi­cult to see as it moves into the bright­en­ing sky. By 6:47 a.m. the ISS is 10 de­grees above the south­east hori­zon.

Since the new moon oc­curs to­mor­row, it will not be in the sky tonight. In Sagittarius is a bright clus­ter of stars known as the Sagittarius Clus­ter. To find it, first lo­cate Mars in the south-south­west. Just over 2 de­grees to the up­per left of Mars is the star clus­ter. Us­ing binoc­u­lars you can see a fuzzy glow. This is a group of 80,000 stars that or­bit on the out­side of our Milky Way gal­axy.

The In­ter­na­tional Space Sta­tion is vis­i­ble in the sky this morn­ing again. At 6:33 a.m. the space­craft is 10 de­grees above the west-north­west hori­zon. It slowly climbs higher in the sky, reach­ing a peak of 32 de­grees above the south­west hori­zon at 6:36 a.m.

Early this evening the thin cres­cent moon is near the planet Jupiter. At 8 p.m. the pair are lo­cated about 5 de­grees above the hori­zon, and will set be­fore 9 p.m.

The au­tum­nal equinox oc­curs this af­ter­noon at 3:01 p.m. Thus to­day, the sun is di­rectly over­head at the equa­tor, and day and night are ap­prox­i­mately equal in length.

Tonight the In­ter­na­tional Space Sta­tion makes a bright but brief pass through the sky. At 8:34 p.m. the space sta­tion is 10 de­grees above the south-south­west hori­zon and near the stinger of Scor­pius. The ISS dis­ap­pears at 8:36 p.m.

Mon­day: Tues­day: Wed­nes­day: Thurs­day: Fri­day: Satur­day:

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