Calendar of Astronomical Events

Astronomical Calendar for 2017

Year

Difficulty

January
1	Conjunction of Mars and Neptune Close approach of Mars and Neptune M41 is well placed Supernova SN2017B discovered
2	Close approach of the Moon and Venus Conjunction of the Moon and Venus Supernova PS17aoi discovered Close approach of the Moon and Neptune
3	Close approach of the Moon and Mars Conjunction of the Moon and Mars Quadrantid meteor shower
4	The Earth at perihelion
5	Moon at First Quarter
7	134340 Pluto at solar conjunction
8	Supernova SN2017jd discovered
9	Supernova SN2017rt discovered
10	The Moon at perigee
12	Full Moon Venus at greatest elongation east Close approach of Venus and Neptune Supernova SN2017aym discovered C/2016 U1 (NEOWISE) reaches its brightest Conjunction of Venus and Neptune The Moon at aphelion
13	Mercury at dichotomy C/2016 U1 (NEOWISE) at perihelion 74P/Smirnova-Chernykh reaches its brightest
14	Conjunction of Ceres and Eris Venus at dichotomy M47 is well placed NGC 2403 is well placed
16	NGC 2451 is well placed
17	Asteroid 4 Vesta at opposition
19	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter Mercury at greatest elongation west Moon at Last Quarter NGC 2516 is well placed
20	Supernova SN2017mf discovered
21	Supernova SN2017lf discovered The Moon at apogee
23	NGC 2547 is well placed
24	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
25	Conjunction of the Moon and Mercury
26	The Moon at perihelion
27	New Moon
29	Conjunction of Mercury and Pluto Supernova SN2017yh discovered
30	M44 is well placed IC2391 is well placed
31	Conjunction of the Moon and Venus Close approach of the Moon and Venus IC2395 is well placed Conjunction of the Moon and Mars Close approach of the Moon and Mars

February
3	Moon at First Quarter
6	The Moon at perigee
7	Mercury at aphelion NGC 2808 is well placed Supernova SN2017ahn discovered
8	Supernova PS17avx discovered 45P/Honda-Mrkos-Pajdusakova reaches its brightest
10	Full Moon Penumbral lunar eclipse
12	The Moon at aphelion
14	C/2014 S2 (PANSTARRS) reaches its brightest
15	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
17	Jupiter at aphelion
18	Asteroid 14 Irene at opposition Venus at greatest brightness Moon at Last Quarter The Moon at apogee M81 is well placed
19	Asteroid 15 Eunomia at opposition
20	Venus at perihelion Conjunction of the Moon and Saturn Close approach of the Moon and Saturn NGC 3114 is well placed
21	Asteroid 9 Metis at opposition
24	The Moon at perihelion
26	Annular solar eclipse New Moon Close approach of Mars and Uranus IC2581 is well placed
27	Conjunction of Mars and Uranus
28	Supernova SN2017bos discovered

March
1	Conjunction of the Moon and Mars Close approach of the Moon and Mars Neptune at solar conjunction
2	IC2602 is well placed
3	The Moon at perigee Asteroid 29 Amphitrite at opposition Supernova SN2017byz discovered
4	Supernova SN2017byv discovered
5	Moon at First Quarter
6	Supernova SN2017bzb discovered Supernova SN2017bzc discovered Supernova SN2017cal discovered C/2016 VZ18 (PANSTARRS) at perihelion Mercury at superior solar conjunction
8	NGC 3532 is well placed Asteroid 41 Daphne at opposition
9	Supernova SN2017cbv discovered 2P/Encke at perihelion 2P/Encke reaches its brightest
11	73P/Schwassmann-Wachmann reaches its brightest
12	Full Moon
13	Supernova AT2017chi discovered
14	Supernova PS17bwy discovered Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
15	Supernova AT2017cet discovered The Moon at aphelion
16	Supernova SN2017cfd discovered C/2016 VZ18 (PANSTARRS) reaches its brightest
17	Supernova SN2017cfq discovered 73P/Schwassmann-Wachmann at perihelion
18	The Moon at apogee
20	March equinox Conjunction of the Moon and Saturn Close approach of the Moon and Saturn Moon at Last Quarter
23	Supernova SN2017cjb discovered 136472 Makemake at opposition Mercury at perihelion
25	The Moon at perihelion Venus at inferior solar conjunction
27	Conjunction of Mercury and Uranus New Moon
29	Conjunction of the Moon and Mercury
30	Mercury at dichotomy The Moon at perigee Conjunction of the Moon and Mars

April
1	Mercury at greatest elongation east M104 is well placed
3	Moon at First Quarter
4	M94 is well placed NGC 4755 is well placed
6	41P/Tuttle-Giacobini-Kresak reaches its brightest
7	Jupiter at opposition
8	C/2017 E1 (Borisov) reaches its brightest
9	Supernova MASTER OT J141551.21-480802.6 discovered
10	C/2017 E1 (Borisov) at perihelion Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
11	Supernova SN2017cze discovered Full Moon
12	Virginid meteor shower 41P/Tuttle-Giacobini-Kresak at perihelion Conjunction of Mars and Ceres 136199 Eris at solar conjunction NGC 5128 is well placed
13	136108 Haumea at opposition Omega-Cen is well placed
14	Uranus at solar conjunction The Moon at aphelion M51 is well placed
15	The Moon at apogee M83 is well placed
16	Supernova PS17cke discovered C/2017 E4 (Lovejoy) reaches its brightest Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
17	M3 is well placed
19	Moon at Last Quarter
20	Supernova SN2017dfq discovered Supernova SN2017dhr discovered Mercury at inferior solar conjunction
21	Supernova Gaia17bcs discovered
22	Close approach of the Moon and Neptune M101 is well placed
23	Lyrid meteor shower Conjunction of the Moon and Venus
24	C/2017 E4 (Lovejoy) at perihelion The Moon at perihelion
26	Supernova SN2017eau discovered New Moon Venus at greatest brightness
27	The Moon at perigee
28	α–Scorpiid meteor shower Conjunction of the Moon and Mars Conjunction of Mercury and Uranus
30	Supernova SN2017dka discovered

May
1	Supernova SN2017dps discovered
3	Supernova SN2017drh discovered C/2015 ER61 (PANSTARRS) reaches its brightest
2	Moon at First Quarter
6	η–Aquarid meteor shower Mercury at aphelion
7	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter Conjunction of Mercury and Uranus
10	C/2015 ER61 (PANSTARRS) at perihelion Full Moon
11	M5 is well placed
12	Conjunction of Mercury and Eris The Moon at apogee
13	α–Scorpiid meteor shower The Moon at aphelion Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
14	Supernova SN2017eaw discovered Supernova SN2017eaz discovered
17	Mercury at greatest elongation west
18	Moon at Last Quarter
20	Close approach of the Moon and Neptune
22	Conjunction of the Moon and Venus Close approach of the Moon and Venus
23	Supernova SN2017egm discovered Mercury at dichotomy Conjunction of the Moon and Mercury Close approach of the Moon and Mercury
24	The Moon at perihelion
25	Supernova SN2017ein discovered New Moon The Moon at perigee
26	Conjunction of the Moon and Mars
28	Supernova SN2017ejb discovered Supernova SPIRITS17lb discovered M4 is well placed
29	Supernova SN2017eji discovered
30	Supernova Gaia17bkn discovered Supernova SN2017ejx discovered

June
1	Moon at First Quarter M13 is well placed
2	Conjunction of Venus and Uranus
3	Close approach of Venus and Uranus Venus at greatest elongation west M12 is well placed Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
4	Venus at dichotomy
5	C/2015 V2 (Johnson) reaches its brightest M10 is well placed 1 Ceres at solar conjunction
6	M62 is well placed
7	Supernova MLS170606:132501+431845 discovered
8	The Moon at apogee
9	Supernova SN2017epb discovered Full Moon
10	Ophiuchid meteor shower
9	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
10	The Moon at aphelion M92 is well placed
12	C/2015 V2 (Johnson) at perihelion Venus at aphelion
13	Supernova SN2017erp discovered
15	Saturn at opposition NGC 6388 is well placed
16	M6 is well placed NGC 6397 is well placed
17	Moon at Last Quarter Asteroid 6 Hebe at opposition
18	IC4665 is well placed
19	Mercury at perihelion
20	Ophiuchid meteor shower Supernova Gaia17bsl discovered Supernova SN2017ewx discovered Conjunction of the Moon and Venus Close approach of the Moon and Venus M7 is well placed
21	71P/Clark reaches its brightest June solstice Mercury at superior solar conjunction
22	NGC 6530 is well placed
23	Asteroid 40 Harmonia at opposition The Moon at perigee The Moon at perihelion NGC 6541 is well placed New Moon
25	Supernova SN2017fax discovered
27	Supernova SN2017faa discovered
28	NGC 6633 is well placed
29	Asteroid 10 Hygiea at opposition
30	M22 is well placed Moon at First Quarter

July
1	71P/Clark at perihelion Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter IC4756 is well placed
2	Supernova SN2017fbu discovered Supernova SN2017fem discovered Asteroid 3 Juno at opposition
3	The Earth at aphelion
6	The Moon at apogee Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
8	Capricornid meteor shower Supernova SN2017ffk discovered The Moon at aphelion
9	Full Moon NGC 6752 is well placed
10	134340 Pluto at opposition
11	Supernova SN2017fgc discovered
15	Capricornid meteor shower Supernova Gaia17bua discovered
16	217P/LINEAR reaches its brightest Moon at Last Quarter M55 is well placed
17	Supernova SN2017fms discovered 217P/LINEAR at perihelion
20	Supernova Gaia17buy discovered Supernova SN2017fpt discovered Conjunction of the Moon and Venus Close approach of the Moon and Venus
21	α–Cygnid meteor shower Supernova AT2017frq discovered The Moon at perigee
23	Supernova Gaia17bvv discovered Supernova SN2017fqo discovered New Moon
24	Supernova SN2017fqk discovered The Moon at perihelion
25	Conjunction of the Moon and Mercury Close approach of the Moon and Mercury
26	Capricornid meteor shower
27	Supernova Gaia17bxb discovered
26	Mars at solar conjunction
27	Mercury at dichotomy
28	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
29	δ–Aquarid meteor shower Supernova Gaia17bxk discovered
30	Supernova SN2017fvf discovered
29	Mercury at greatest elongation east
30	Moon at First Quarter
31	Piscis Australid meteor shower

August
2	α–Capricornid meteor shower Supernova AT2017fvz discovered Mercury at aphelion The Moon at apogee
3	Supernova Gaia17byp discovered Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
5	Mars at apogee
6	τ–Aquarid meteor shower
5	The Moon at aphelion
7	Full Moon Partial lunar eclipse
9	Supernova SN2017fzw discovered Supernova SN2017gbb discovered
10	Supernova SN2017gah discovered
12	Conjunction of Venus and Ceres
13	Perseid meteor shower M15 is well placed
14	Supernova SN2017gax discovered M2 is well placed Moon at Last Quarter
18	The Moon at perigee
19	Close approach of the Moon and Venus Conjunction of the Moon and Venus
21	α–Cygnid meteor shower C/2015 VL62 (Lemmon-Yeung-PANSTARRS) reaches its brightest Total solar eclipse New Moon
23	The Moon at perihelion
25	Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter
26	Mercury at inferior solar conjunction
28	C/2015 VL62 (Lemmon-Yeung-PANSTARRS) at perihelion
29	Supernova SN2017gjn discovered Moon at First Quarter Asteroid 3122 Florence at opposition
30	The Moon at apogee Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
31	Supernova SN2017gkk discovered

September
1	Supernova SN2017gla discovered Close approach of Venus and M44
2	Supernova AT2017glg discovered Supernova AT2017glo discovered
3	Supernova SN2017glq discovered Supernova SN2017glx discovered The Moon at aphelion
4	Supernova PS17esc discovered Supernova SN2017gmr discovered
5	Neptune at opposition
6	Supernova SN2017gpn discovered Full Moon Asteroid 89 Julia at opposition
9	Piscid meteor shower
11	Supernova SN2017grn discovered Supernova SN2017grw discovered
12	Mercury at greatest elongation west
13	Supernova PS17fqv discovered
12	Mercury at dichotomy
13	Moon at Last Quarter The Moon at perigee
15	Supernova Gaia17cif discovered Mercury at perihelion
16	Supernova SN2017gtd discovered Conjunction of Mercury and Mars
17	Supernova SN2017gxq discovered Close approach of the Moon and Venus Conjunction of the Moon and Venus
18	Conjunction of the Moon and Mars Close approach of the Moon and Mercury Conjunction of the Moon and Mercury
20	New Moon
21	Piscid meteor shower
22	Conjunction of the Moon and Jupiter September equinox The Moon at perihelion
24	NGC 55 is well placed
25	Supernova AT2017hdz discovered Supernova AT2017hea discovered Supernova AT2017hmy discovered
26	Supernova SN2017gww discovered 136472 Makemake at solar conjunction Conjunction of the Moon and Saturn Close approach of the Moon and Saturn
27	The Moon at apogee 47-Tuc is well placed Moon at First Quarter
29	Supernova Gaia17clt discovered

October
1	M110 is well placed M32 is well placed M31 is well placed
2	Supernova SN2017hbi discovered The Moon at aphelion
3	Venus at perihelion NGC 253 is well placed
4	SMC is well placed NGC 300 is well placed
5	Conjunction of Venus and Mars Close approach of Venus and Mars Full Moon
6	NGC 362 is well placed
7	Mars at aphelion
8	Mercury at superior solar conjunction
9	The Moon at perigee
10	Supernova SN2017hgz discovered
12	Supernova SN2017hia discovered Moon at Last Quarter
14	Supernova SN2017hju discovered M33 is well placed
15	C/2017 O1 (ASASSN) at perihelion
16	C/2017 O1 (ASASSN) reaches its brightest 136199 Eris at opposition
17	136108 Haumea at solar conjunction Conjunction of the Moon and Mars Close approach of the Moon and Mars
18	Supernova SN2017hle discovered
17	Conjunction of the Moon and Venus
19	Uranus at opposition New Moon
21	Orionid meteor shower
22	The Moon at perihelion
23	Asteroid 2 Pallas at opposition
24	Conjunction of the Moon and Saturn Close approach of the Moon and Saturn The Moon at apogee
26	Jupiter at solar conjunction NGC 869 is well placed
27	Moon at First Quarter NGC 884 is well placed
28	Supernova PS17fur discovered 96P/Machholz at perihelion 96P/Machholz reaches its brightest
29	Mercury at aphelion
30	Supernova AT2017hrr discovered Asteroid 7 Iris at opposition
31	Fornax is well placed

November
1	The Moon at aphelion
2	Asteroid 44 Nysa at opposition
4	Full Moon
5	Taurid meteor shower The Moon at perigee
8	Supernova AT2017kah discovered
10	Moon at Last Quarter
11	Taurid meteor shower
13	Conjunction of Venus and Jupiter Close approach of Venus and Jupiter
14	Conjunction of the Moon and Mars Close approach of the Moon and Mars
15	24P/Schaumasse at perihelion 24P/Schaumasse reaches its brightest 62P/Tsuchinshan at perihelion
16	Conjunction of the Moon and Jupiter
17	Conjunction of the Moon and Venus M45 is well placed Leonid meteor shower Supernova SN2017igf discovered
18	New Moon Supernova Gaia17ddq discovered
19	Supernova SN2017iji discovered
20	Conjunction of the Moon and Mercury The Moon at perihelion Supernova SN2017ijx discovered Conjunction of the Moon and Saturn
21	The Moon at apogee Supernova Gaia17dis discovered Supernova SN2017ilf discovered
23	62P/Tsuchinshan reaches its brightest Mercury at greatest elongation east
24	Supernova Gaia17dge discovered

December

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