Monthly summary of stellar events - October Skies -Rick Wagner
01 Oct – minor planet (40) Harmonia at opposition (mag 9.4)
01 – 15 Oct – look for the zodiacal light in the eastern sky during morning twilight. If you’re under very dark and transparent skies at midnight you can try to see the even fainter gegenschein – the backscatter of sunlight from dust particles in the plane of the solar system. It will appear as an extremely faint glow about 10º across centred in the middle of the southern arm of Pisces.
05 Oct – Algol will be at minimum brightness for about 2 hours centred shortly after 2200EDT
06 Oct – New Moon 0705EDT
07 Oct – minor planet (762) Pulchova #1 occults (passes in front of) an 11.8mag star (TYC 1922-00066) at 0357EDT. The combined magnitude will drop by 2 magnitudes for up to 7.2 seconds.
08 Oct – Mars in conjunction with the Sun, a new apparition begins.
09 Oct – Venus 3º south of the Moon
10 Oct – minor planet (365) Corduba occults a 12.5mag star (UCAC4 393-087275) at about 2055EDT. The combined magnitude will drop by about 2.5 magnitudes for up to 4.4 seconds.
13 Oct – First Quarter Moon
– Saturn 4º north of the Moon
16 Oct – bright white Venus very reddish Antares in the evening southeast sky.
20 Oct – Full Moon 1056EDT
21 Oct – Orionid meteor shower peak this morning; the just-past-full Moon will interfere with visibility of the fainter meteors.
– Uranus 1.3º north of the Moon.
25 Oct – Mercury at greatest elongation west 18º, visible low in the east shortly before sunrise – this is Mercury’s best morning apparition of the year.
25 Oct – Algol will be at minimum brightness for about 2 hours centered shortly before midnight
28 Oct – Last Quarter Moon
29 Oct – Venus at its greatest elongation east 47º; although this is a relatively ‘poor’ showing, Venus is so bright and so far from the Sun that it is never-the-less spectacular.