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June 2003

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Day Moonage Phenomenon (JST)
1 Sun 0.9 X-Oph is its maximum brightness (Mag: 5.9-9.2, Period: 329 days)
2 Mon 1.9 05:56 Moon passes 03°30.1' north of Saturn
3 Tue 2.9 R-Boo is its maximum brightness (Mag: 6.2-13.1, Period: 223 days)
00:23 Moon is at the northernmost (Decl.: +26°29.4')
13:12 Mars approaches closest to δ-Cap (00°13.3')
14:41 Mercury is at the western greatest elongation (24°25.8', Mag: 0.6, Dia.: 08.2")
20:14 Io hides Europa (partial occultation, duration: 4.6min., extinction: 28%)
4 Wed 3.9 21:12 β-Lyr is its minimum brightness
5 Thu 4.9 15:13 Moon passes 04°24.7' north of Jupiter
23:13 δ-Lib is its minimum brightness
6 Fri 5.9 11:20 `Boushu' (Longitude of the sun reaches 75 degrees)
20:45 Occultation of η-Leo (Mag: 3.6) (immersion time at Tokyo)
7 Sat 6.9 23:31 Uranus is at the apogee (R.A.: 22h20.2m)
8 Sun 7.9 Z-Cyg is its maximum brightness (Mag: 7.1-14.7, Period: 263 days)
W-Lyr is its maximum brightness (Mag: 7.3-13.0, Period: 198 days)
05:28 First quarter moon
9 Mon 8.9 06:58 Moon approaches closest to Asteroid Vesta (04°21.2')
20:25 Moon passes the equator, to the southern hemisphere
10 Tue 9.9
11 Wed 10.9 00:32 Pluto is at the opposition (Mag: 13.8, Dia.: 00.1")
02:06 Algol is its minimum brightness
16:48 `Nyuubai' (Longitude of the sun reaches 80 degrees)
12 Thu 11.9 R-Oph is its maximum brightness (Mag: 7.0-13.8, Period: 307 days)
20:05 Comet 127P/Holt-Olmstead (Period: 6.3 years) passes the perihelion
22:48 δ-Lib is its minimum brightness
13 Fri 12.9 RT-Sgr is its maximum brightness (Mag: 6.0-14.1, Period: 306 days)
08h Moon is at the nearest from the Earth (0.938, 360,426km, Dia.: 33'09")
22:59 Comet C/2002 R3 (LONEOS) passes the perihelion
14 Sat 13.9 14:27 Moon passes 11°21.6' south of Pluto
20:16 Full Moon
15 Sun 14.9 22:33 Moon is at the southernmost (Decl.: -26°28.5')
16 Mon 15.9 00:06 Occultation of φ-Sgr (Mag: 3.3) (immersion time at Naha)
17 Tue 16.9 10:25 Venus approaches closest to Asteroid Ceres (01°40.9')
19:47 β-Lyr is its minimum brightness
18 Wed 17.9 05:32 Moon passes 05°12.4' south of Neptune
19 Thu 18.9 01:33 Mercury approaches closest to Asteroid Ceres (00°56.2')
15:29 Moon passes 01°41.8' south of Mars
16:51 Moon passes 04°47.0' south of Uranus
22:23 δ-Lib is its minimum brightness
20 Fri 19.9 Mira is its maximum brightness (Mag: 2.3-10.1, Period: 332 days)
21 Sat 20.9 08:17 Mars passes 03°11.2' south of Uranus
10:56 Mercury passes 00°24.9' south of Venus
16:22 Venus approaches closest to Mercury (00°23.3')
23:45 Last quarter moon
22 Sun 21.9 04:10 `Geshi' (Summer Solstice, Longitude of the sun reaches 90 degrees)
18:28 Moon passes the equator, to the northern hemisphere
20:16 Ganymede hides Io (partial occultation, duration: 146.6min., extinction: 13%)
23 Mon 22.9 03:03 Uranus approaches closest to Mars (03°06.0')
04:45 Mars approaches closest to NGC7293 (planetary nebula in Aqr) (06°45.0')
20:26 Europa hides Io (partial occultation, duration: 3.5min., extinction: 25%)
24 Tue 23.9 T-UMa is its maximum brightness (Mag: 6.6-13.5, Period: 257 days)
22:11 Saturn is at the conjunction (00°48.1' south of Sun, Mag: 0.0, Dia.: 16.5", long side of the ring: 37.3")
25 Wed 24.9 11h Moon is at the farthest from the Earth (1.054, 405,231km, Dia.: 29'29")
26 Thu 25.9 21:57 δ-Lib is its minimum brightness
27 Fri 26.9
28 Sat 27.9 02:15 Moon approaches closest to Asteroid Ceres (03°26.1')
07h Pons-Winnecke meteor shower is at the peak (Jun.26 - Jul.5)
22:19 Moon passes 02°26.1' north of Venus
29 Sun 28.9 T-Aqr is its maximum brightness (Mag: 7.2-14.2, Period: 202 days)
11:33 Moon passes 02°10.6' north of Mercury
19:04 Moon passes 03°42.3' north of Saturn
30 Mon 0.3 03:39 New Moon
06:14 Moon is at the northernmost (Decl.: +26°27.3')

Special Thanks to Shirakawa Astronomical Observatory


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