Objects in April
The following deep-sky objects can best be observed in the month of April at a geographical latitude of 47° north (Switzerland).
Auriga (17)
Bootes (4)
Cancer (5)
Canes Venatici (17)
Canis Minor (3)
Centaurus (7)
Coma Berenices (24)
Corvus (2)
Cygnus (40)
Abell 61
Abell 69
Abell 71
Abell 78
Abell 83
Egg Nebula
CRL 2688
CRL 2688
Humason 1-2
IC 1311
Gamma Cygni Nebula
IC 1318
IC 1318
IC 1369
Pelican Nebula
IC 5070
IC 5070
IC 5076
IC 5117
Cocoon Nebula
IC 5146
IC 5146
Soap Bubble Nebula
Ju 1
Ju 1
Kohoutek 3-46
Messier 29
Messier 39
Minkowski 1-79
Footprint Nebula
Minkowski 1-92
Minkowski 1-92
Minkowski 4-17
NGC 6819
Blinking
Planetary
NGC 6826
Planetary
NGC 6826
Edge-On Cluster
NGC 6834
NGC 6834
Crescent Nebula
NGC 6888
NGC 6888
NGC 6894
NGC 6910
Cirrus Nebula
NGC 6960+
NGC 6960+
North America Nebula
NGC 7000
NGC 7000
Fetus Nebula
NGC 7008
NGC 7008
Cheeseburger Nebula
NGC 7026
NGC 7026
NGC 7027
NGC 7048
Moth Nebula
Sh 1-89
Sh 1-89
Sh 2-91
Tulip Nebula
Sh 2-101
Sh 2-101
Sh 2-106
Propeller Nebula
Simeis 57
Simeis 57
V 1331 Cygni
vdB 133
Delphinus (5)
Draco (7)
Gemini (12)
Hercules (8)
Hydra (10)
Leo (16)
Leo Minor (6)
Libra (3)
Lynx (11)
Lyra (7)
Ophiuchus (35)
Abell 40
Abell 42
Abell 43
Barnard 47
Barnard 51
Barnard 59
Barnard 64
Snake Nebula
Barnard 72
Barnard 72
IC 4603
Rho Ophiuchi Nebula
IC 4604
IC 4604
IC 4634
Messier 9
Messier 10
Messier 12
Messier 14
Messier 19
Messier 62
Messier 107
Twin Jet Nebula
Minkowski 2-9
Minkowski 2-9
Minkowski 3-9
NGC 6235
NGC 6284
NGC 6287
NGC 6293
NGC 6304
Box Nebula
NGC 6309
NGC 6309
NGC 6316
NGC 6342
NGC 6355
NGC 6356
NGC 6366
Little Ghost Nebula
NGC 6369
NGC 6369
NGC 6401
Blue Racquetball
NGC 6572
NGC 6572
NGC 6633
Sagitta (4)
Scorpius (17)
Scutum (7)
Serpens (6)
Sextans (1)
Ursa Maior (24)
Abell 28
Hickson 56
Markarian 421
Winnecke 4
Messier 40
Messier 40
Bodes Galaxy
Messier 81
Messier 81
Cigar Galaxy
Messier 82
Messier 82
Owl Nebula
Messier 97
Messier 97
Pinwheel Galaxy
Messier 101
Messier 101
Messier 108
Messier 109
NGC 2681
NGC 2841
NGC 2854/6
NGC 2857
NGC 3077
NGC 3079
NGC 3184
NGC 3198
NGC 3310
NGC 3631
NGC 3675
NGC 3718
NGC 3729
Twin Quasar
QSO 0957+561A/B
QSO 0957+561A/B
Ursa Minor (1)
Virgo (32)
Diamond
3C 273
Abell 36
IC 972
Messier 49
Messier 58
Messier 59
Messier 60
Messier 61
Markarian's Chain
Messier 84
Messier 84
Markarian's Chain
Messier 86
Messier 86
Virgo A
Messier 87
Messier 87
Messier 89
Messier 90
Sombrero Galaxy
Messier 104
Messier 104
NGC 4193
NGC 4206
Silver Streak Galaxy
NGC 4216
NGC 4216
NGC 4222
NGC 4292
NGC 4301
The Eyes
NGC 4435/8
NGC 4435/8
NGC 4517
Siamese Twins
NGC 4567/8
NGC 4567/8
NGC 4606/7
NGC 4637/8
NGC 4697
NGC 4733
NGC 4754/62
NGC 4762
NGC 5426/7
NGC 5634