Calendar of Astronomical Events

Astronomical Calendar for 2017

Year

Difficulty

January
1	Conjunction of Mars and Neptune Close approach of Mars and Neptune 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 Quadrantid meteor shower
4	The Earth at perihelion
5	Moon at First Quarter
6	Conjunction of the Moon and Ceres Conjunction of the Moon and Eris
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 C/2016 U1 (NEOWISE) reaches its brightest Supernova SN2017aym discovered Conjunction of Venus and Neptune The Moon at aphelion
13	Mercury at dichotomy M47 is well placed NGC 2403 is well placed C/2016 U1 (NEOWISE) at perihelion 74P/Smirnova-Chernykh reaches its brightest
14	Conjunction of Ceres and Eris Venus at dichotomy
15	NGC 2451 is well placed
18	Conjunction of the Moon and Makemake
19	Close approach of the Moon and Jupiter Mercury at greatest elongation west Mercury at greatest brightness Moon at Last Quarter NGC 2516 is well placed
20	Conjunction of the Moon and Haumea Supernova SN2017mf discovered
21	Supernova SN2017lf discovered The Moon at apogee
22	NGC 2547 is well placed
24	Close approach of the Moon and Saturn
25	Conjunction of the Moon and Mercury
26	Conjunction of the Moon and Pluto The Moon at perihelion
27	New Moon
29	Conjunction of Mercury and Pluto M44 is well placed IC2391 is well placed IC2395 is well placed Supernova SN2017yh discovered
31	Conjunction of the Moon and Venus Close approach of the Moon and Venus Close approach of the Moon and Mars

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

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

April
1	M104 is well placed Mercury at greatest elongation east
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 Makemake 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 the Moon and Haumea Conjunction of Mars and Ceres 136199 Eris at solar conjunction
13	NGC 5128 is well placed Omega-Cen is well placed 136108 Haumea at opposition
14	M51 is well placed Uranus at solar conjunction The Moon at aphelion
15	M83 is well placed The Moon at apogee
16	C/2017 E4 (Lovejoy) reaches its brightest Supernova PS17cke discovered Close approach of the Moon and Saturn
17	M3 is well placed
18	Conjunction of the Moon and Pluto
19	Moon at Last Quarter
20	Supernova SN2017dfq discovered Supernova SN2017dhr discovered Mercury at inferior solar conjunction
21	Supernova AT2017dgg discovered
22	M101 is well placed Close approach of the Moon and Neptune
23	Lyrid meteor shower
22	Conjunction of Mercury and Eris
23	Conjunction of the Moon and Venus Close approach of the Moon and Venus
24	C/2017 E4 (Lovejoy) at perihelion The Moon at perihelion
25	Conjunction of the Moon and Mercury Conjunction of the Moon and Eris
26	Supernova SN2017eau discovered New Moon Venus at greatest brightness
27	The Moon at perigee Conjunction of the Moon and Ceres
28	α–Scorpiid meteor shower Conjunction of Mercury and Uranus
30	Supernova SN2017dka discovered

May
1	Supernova SN2017dps discovered
3	C/2015 ER61 (PANSTARRS) reaches its brightest Supernova SN2017drh discovered
2	Moon at First Quarter
6	η–Aquarid meteor shower Mercury at aphelion
7	Conjunction of the Moon and Makemake Close approach of the Moon and Jupiter Conjunction of Mercury and Uranus
8	Conjunction of Jupiter and Makemake
9	Conjunction of the Moon and Haumea
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 Close approach of the Moon and Saturn
14	Supernova SN2017eaw discovered Supernova SN2017eaz discovered
15	Conjunction of the Moon and Pluto
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 Conjunction of the Moon and Eris Mercury at dichotomy Conjunction 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 Ceres
28	M4 is well placed Supernova SN2017ejb discovered Supernova SPIRITS17lb discovered
29	Supernova SN2017eji discovered
30	Supernova Gaia17bkn discovered

June
1	M13 is well placed Moon at First Quarter
2	Conjunction of Venus and Uranus
3	M12 is well placed Close approach of Venus and Uranus Venus at greatest elongation west Conjunction of Venus and Eris Close approach of the Moon and Jupiter Conjunction of the Moon and Makemake
4	Venus at dichotomy
5	M10 is well placed C/2015 V2 (Johnson) reaches its brightest Conjunction of the Moon and Haumea
6	M62 is well placed
5	1 Ceres at solar conjunction
7	Supernova MASTER OT J132501.00+431846.1 discovered
8	The Moon at apogee
9	Supernova SN2017epb discovered Full Moon
10	Ophiuchid meteor shower M92 is well placed
9	Close approach of the Moon and Saturn
10	The Moon at aphelion
12	C/2015 V2 (Johnson) at perihelion
11	Conjunction of the Moon and Pluto
12	Venus at aphelion
13	Supernova SN2017erp discovered
15	NGC 6388 is well placed Saturn at opposition
16	M6 is well placed NGC 6397 is well placed Close approach of the Moon and Neptune Conjunction of Mercury and Ceres
17	Moon at Last Quarter
18	IC4665 is well placed
19	Mercury at perihelion Conjunction of the Moon and Eris
20	Ophiuchid meteor shower M7 is well placed Supernova AT2017ewt discovered Supernova SN2017ewx discovered Conjunction of the Moon and Venus Close approach of the Moon and Venus
21	71P/Clark reaches its brightest June solstice Mercury at greatest brightness Mercury at superior solar conjunction
22	NGC 6530 is well placed
23	NGC 6541 is well placed Conjunction of the Moon and Ceres The Moon at perigee The Moon at perihelion New Moon
24	Conjunction of the Moon and Mercury
25	Supernova SN2017fax discovered
27	Supernova SN2017faa discovered
28	NGC 6633 is well placed Conjunction of Mercury and Mars
30	M22 is well placed Moon at First Quarter

July
1	IC4756 is well placed 71P/Clark at perihelion Conjunction of the Moon and Makemake Close approach of the Moon and Jupiter
2	Supernova AT2017fem discovered Supernova SN2017fbu discovered Conjunction of the Moon and Haumea
3	The Earth at aphelion
6	The Moon at apogee Close approach of the Moon and Saturn
8	Capricornid meteor shower Conjunction of Jupiter and Makemake The Moon at aphelion
9	NGC 6752 is well placed Full Moon Conjunction of the Moon and Pluto
10	134340 Pluto at opposition
11	Supernova SN2017fgc discovered
13	Close approach of the Moon and Neptune
15	Capricornid meteor shower Supernova Gaia17bua discovered Conjunction of Uranus and Eris
16	M55 is well placed 217P/LINEAR reaches its brightest Moon at Last Quarter Conjunction of the Moon and Eris
17	217P/LINEAR at perihelion Supernova SN2017fms discovered
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 Conjunction of the Moon and Ceres 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
26	Capricornid meteor shower
27	Supernova Gaia17bxb discovered
26	Mars at solar conjunction
27	Mercury at dichotomy
28	Conjunction of the Moon and Makemake 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	Conjunction of the Moon and Haumea 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 Close approach of the Moon and Saturn
5	Mars at apogee Conjunction of the Moon and Pluto
6	τ–Aquarid meteor shower
5	The Moon at aphelion
7	Full Moon Partial lunar eclipse
9	Supernova Gaia17car discovered Supernova SN2017fzw discovered Close approach of the Moon and Neptune
10	Supernova SN2017gah discovered
12	Conjunction of Venus and Ceres
13	Perseid meteor shower M15 is well placed Conjunction of the Moon and Eris
14	M2 is well placed Supernova SN2017gax discovered Moon at Last Quarter
18	The Moon at perigee Conjunction of the Moon and Ceres
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
22	Conjunction of the Moon and Mercury
23	The Moon at perihelion
24	Conjunction of the Moon and Makemake
25	Close approach of the Moon and Jupiter
26	Conjunction of the Moon and Haumea Mercury at inferior solar conjunction
27	Conjunction of Uranus and Eris
28	C/2015 VL62 (Lemmon-Yeung-PANSTARRS) at perihelion
29	Moon at First Quarter
30	The Moon at apogee Close approach of the Moon and Saturn

September
1	Conjunction of the Moon and Pluto Conjunction of Mars and Mercury
3	The Moon at aphelion
5	Neptune at opposition
6	Close approach of the Moon and Neptune Full Moon Asteroid 89 Julia at opposition
9	Piscid meteor shower Conjunction of the Moon and Eris
12	Mercury at greatest elongation west Mercury at dichotomy
13	Moon at Last Quarter The Moon at perigee
15	Mercury at perihelion Conjunction of the Moon and Ceres
16	Conjunction of Mercury and Mars
17	Conjunction of the Moon and Venus
18	Conjunction of the Moon and Mercury
20	New Moon
21	Piscid meteor shower Conjunction of the Moon and Makemake
22	September equinox Conjunction of the Moon and Haumea The Moon at perihelion
24	NGC 55 is well placed
26	136472 Makemake at solar conjunction
27	47-Tuc is well placed
26	Close approach of the Moon and Saturn
27	The Moon at apogee Moon at First Quarter
28	Conjunction of the Moon and Pluto

October
1	M110 is well placed M31 is well placed M32 is well placed
2	The Moon at aphelion
3	NGC 253 is well placed Venus at perihelion Close approach of the Moon and Neptune
4	SMC is well placed NGC 300 is well placed
5	Conjunction of Venus and Mars Full Moon
6	NGC 362 is well placed Conjunction of the Moon and Eris
7	Mars at aphelion
8	Mercury at greatest brightness Mercury at superior solar conjunction Conjunction of Mercury and Makemake
9	The Moon at perigee
12	Moon at Last Quarter
13	Close approach of the Moon and M44 Conjunction of the Moon and Ceres
14	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 Venus
18	Conjunction of Jupiter and Mercury Conjunction of the Moon and Makemake
19	Uranus at opposition New Moon
20	Conjunction of the Moon and Mercury Conjunction of the Moon and Haumea Conjunction of Mercury and Haumea
21	Orionid meteor shower
22	The Moon at perihelion
23	Asteroid 2 Pallas at opposition
24	Close approach of the Moon and Saturn The Moon at apogee
26	NGC 869 is well placed Conjunction of the Moon and Pluto Jupiter at solar conjunction
27	NGC 884 is well placed Conjunction of Venus and Makemake Moon at First Quarter
28	96P/Machholz at perihelion 96P/Machholz reaches its brightest
29	Mercury at aphelion
30	Asteroid 7 Iris at opposition Close approach of the Moon and Neptune
31	Fornax is well placed

November
1	The Moon at aphelion Conjunction of Jupiter and Haumea
2	Conjunction of the Moon and Eris
4	Full Moon
5	Taurid meteor shower The Moon at perigee
9	Close approach of the Moon and M44
10	Conjunction of the Moon and Ceres Moon at Last Quarter
11	Conjunction of Venus and Haumea Taurid meteor shower
13	Conjunction of Venus and Jupiter
14	Close approach of the Moon and Mars Conjunction of the Moon and Makemake
15	24P/Schaumasse at perihelion 24P/Schaumasse reaches its brightest 62P/Tsuchinshan at perihelion
16	Conjunction of the Moon and Haumea M45 is well placed

December

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