May 1999

May 1999

1999

Day		Moonage	Phenomenon (JST)
1	Sat	14.9	18:53 Mercury passes 01o44'.5 south of Jupiter
2	Sun	15.9	Hachizyu hachi ya
			02:26 Mars is closest to Earth (0.5784625AU, Mag:-1.7, Dia.:16".2)
			08:00 Jupiter is closest to Mercury (01o35'.3)
			14:12 Asteroid Pallas is at conjunction
			15h Moon is farthest from the Earth 1.057(406,278km,Moonage 16.1,Dia.:29'.4)
			18h Comet P/1991 V1 (Shoemaker-Levy 6) (Period 7.55 years) passses perihelion
3	Mon	16.9	National Holiday in Japan (Kenpo Kinenbi)
			19:20 Delta-Lib is at minimum brightness
4	Tue	17.9	14h Comet 37P/Forbes (Period 6.13 years) passses perihelion
5	Wed	18.9	National holiday in Japan (Kodomo no hi)
			23:58 Moon is at south most(Decl.:-20o00'.4)
6	Thu	19.9	03:11 Delta-Lib is at minimum brightness
			08h Eta-Aqr meteor shower is at peak( Apr.25-May 10)
			08:01 Longitude of the sun reaches 45 degrees
			08:28 Venus is closest to Asteroid Ceres (00o42'.2)
			12h Comet 4P/Faye (Period 7.52 years) passses perihelion
7	Fri	20.9	10:01 Neptune is at apogee(R.A.:20h26.5m)
			23:43 Occultation of Neptune(time is in Tokyo but under horizon, Neptune appears again at 00h29m on May 8)
8	Sat	21.9	01:32 Moon passes 00o52' north of Neptune(Occultation of Neptune in Northern Pacific Ocean)
9	Sun	22.9	01:06 Moon passes 00o45' north of Uranus(Occultation of Uranus in Northern Pacific Ocean)
			02:29 Last quarter moon
10	Mon	23.9
11	Tue	24.9	Y-Dra is at maximum brightness (Mag:6.2-15.0,Period 326 days)
12	Wed	25.9	21:12 Moon passes equator, to northern hemisphere
13	Thu	26.9	RS-Her is at maximum brightness (Mag:7.0-12.0,Period 219 days)
			02:45 Delta-Lib is at minimum brightness
			09:49 Uranus is most at west(Mag:5.8,Dia.:3".5)
			14:17 Moon passes 03o36' south of Jupiter
14	Fri	27.9	R-Aqr is at maximum brightness (Mag:5.8-12.4,Period 386 days)
			R-Sgr is at maximum brightness (Mag:6.7-12.8,Period 269 days)
			03:25 Mercury passes 00o39'.7 north of Saturn
			19:35 Moon passes 02o55' south of Saturn
			21:46 Moon passes 03o42' south of Mercury
15	Sat	28.9	21:05 New Moon
16	Sun	0.6	00h Moon is nearest to the Earth 0.929(357,090km,Moonage 0.1,Dia.:33'.5)
			22:24 Moon closes to Aldebaran (00o11'.3 in Tokyo)
17	Mon	1.6
18	Tue	2.6	21:12 Moon is at north most(Decl.:+20o05'.0)
19	Wed	3.6	00:18 Moon passes 05o34' south of Venus
20	Thu	4.6	Jupiter passses perihelion(4.95047AU)
			02:20 Delta-Lib is at minimum brightness
21	Fri	5.6	20:52 Longitude of the sun reaches 60 degrees
22	Sat	6.6	11:07 Moon closes to Regulus(00o22'.6 in Tokyo)
			13:18 Uranus is at apogee(R.A.:21h17.8m)
			14:34 First quarter moon
23	Sun	7.6	17:04 Asteroid Vesta closes to a galaxy NGC2903(Mag:9.5) in Leo (00o25'.1)
24	Mon	8.6
25	Tue	9.6	16:56 Moon passes equator, to southern hemisphere
26	Wed	10.6	V-Mon is at maximum brightness (Mag:6.0-13.9,Period 340 days)
			02:11 Mercury is closest to Sun(00o26'.6)
			05:03 Mercury is at exferrior conjunction(00o28'.1 north of Sun,Mag:-2.3,Dia.:5".1)
			14h Mars passes descending node
			20:18 Moon passes 05o00' north of Mars
27	Thu	11.6	01:54 Delta-Lib is at minimum brightness
28	Fri	12.6	19:37 Asteroid Juno is at opposition(Mag:10.3)
			21:37 Pluto is closest to Zeta-Oph(00o29'.4)
29	Sat	13.6	17h Moon is farthest from the Earth 1.057(406,398km,Moonage 13.8,Dia.:29'4)
30	Sun	14.6	R-Hya is at maximum brightness (Mag:3.5-10.9,Period 388 days)
			15:40 Full Moon
31	Mon	15.6	00h Pluto is closest to Earth(29.15833AU)

Special Thanks to Shirakawa Astronomical Observatory