What to image in April with the Unistellar Odyssey
Peak galaxy season: Whirlpool, Pinwheel, Sombrero, the Leo Triplet and the Virgo cluster all transit in the evening. Broadband targets mean the dual-band filter stays off and dark skies pay double. Nights are shortening fast at northern latitudes.
Moon in April 2027: new on 7 Apr, full on 20 Apr. Broadband targets (galaxies, clusters) want the week either side of new; emission nebulae behind a dual-band filter tolerate the rest.
45 targets transit near midnight in April. From a suburban sky the Odyssey gets a solid image of 5 of them in under an hour each; 40 need longer, or a darker sky, or several nights. Times below use the recommended filter and 4 s subs.
| Target | Type | Bortle 4 | Bortle 6 | Bortle 8 |
|---|---|---|---|---|
| Omega CentauriCentaurus | Globular cluster | 6 min87 subs | 7 min109 subs | 12 min187 subs |
| M3Canes Venatici | Globular cluster | 28 min419 subs | 37 min560 subs | 1 h 10 min1,047 subs |
| M5Serpens | Globular cluster | 29 min442 subs | 39 min592 subs | 1 h 14 min1,109 subs |
| Ghost of JupiterHydra | Planetary nebula | 35 min526 subs | 46 min691 subs | 1 h 24 min1,262 subs |
| Carina NebulaCarina | Emission nebula | 36 min534 subs | 48 min718 subs | 1 h 30 min1,355 subs |
| Spindle GalaxyDraco | Galaxy | 1 h 08 min1,025 subs | 1 h 32 min1,374 subs | 2 h 52 min2,578 subs |
| M94Canes Venatici | Galaxy | 1 h 23 min1,250 subs | 1 h 53 min1,701 subs | 3 h 37 min3,260 subs |
| M68Hydra | Globular cluster | 1 h 34 min1,405 subs | 2 h 08 min1,916 subs | 4 h 05 min3,682 subs |
| Black Eye GalaxyComa Berenices | Galaxy | 1 h 41 min1,520 subs | 2 h 18 min2,073 subs | 4 h 25 min3,982 subs |
| M53Coma Berenices | Globular cluster | 1 h 45 min1,576 subs | 2 h 24 min2,160 subs | 4 h 38 min4,177 subs |
| M66Leo | Galaxy | 2 h 01 min1,821 subs | 2 h 46 min2,485 subs | 5 h 19 min4,782 subs |
| Centaurus ACentaurus | Galaxy | 2 h 03 min1,840 subs | 2 h 49 min2,532 subs | 5 h 28 min4,923 subs |
| Sombrero GalaxyVirgo | Galaxy | 2 h 20 min2,094 subs | 3 h 11 min2,865 subs | 6 h 09 min5,531 subs |
| Southern PinwheelHydra | Galaxy | 2 h 20 min2,096 subs | 3 h 12 min2,884 subs | 6 h 14 min5,607 subs |
| M59Virgo | Galaxy | 2 h 22 min2,129 subs | 3 h 13 min2,899 subs | 6 h 11 min5,560 subs |
| M65Leo | Galaxy | 2 h 35 min2,328 subs | 3 h 33 min3,196 subs | 6 h 53 min6,195 subs |
| Owl NebulaUrsa Major | Planetary nebula | 2 h 38 min2,377 subs | 3 h 36 min3,243 subs | 6 h 56 min6,236 subs |
| Whale GalaxyCanes Venatici | Galaxy | 2 h 44 min2,456 subs | 3 h 46 min3,392 subs | 7 h 22 min6,629 subs |
| M60Virgo | Galaxy | 2 h 55 min2,630 subs | 4 h3,598 subs | 7 h 43 min6,941 subs |
| Whirlpool GalaxyCanes Venatici | Galaxy | 2 h 55 min2,626 subs | 4 h 01 min3,617 subs | 7 h 49 min7,040 subs |
| M105Leo | Galaxy | 2 h 57 min2,649 subs | 4 h 01 min3,621 subs | 7 h 45 min6,979 subs |
| M87Virgo | Galaxy | 3 h 07 min2,798 subs | 4 h 16 min3,839 subs | 8 h 16 min7,438 subs |
| M106Canes Venatici | Galaxy | 3 h 15 min2,932 subs | 4 h 31 min4,059 subs | 8 h 50 min7,953 subs |
| Needle GalaxyComa Berenices | Galaxy | 3 h 18 min2,976 subs | 4 h 35 min4,120 subs | 8 h 58 min8,073 subs |
| M49Virgo | Galaxy | 3 h 27 min3,107 subs | 4 h 46 min4,284 subs | 9 h 16 min8,348 subs |
| M84Virgo | Galaxy | 3 h 57 min3,552 subs | 5 h 25 min4,878 subs | 11 h9,461 subs |
| M85Coma Berenices | Galaxy | 4 h 11 min3,763 subs | 5 h 45 min5,176 subs | 11 h10,058 subs |
| M89Virgo | Galaxy | 4 h 18 min3,876 subs | 5 h 55 min5,329 subs | 12 h10,352 subs |
| M108Ursa Major | Galaxy | 4 h 19 min3,881 subs | 5 h 57 min5,355 subs | 12 h10,450 subs |
| M86Virgo | Galaxy | 4 h 22 min3,928 subs | 6 h 02 min5,424 subs | 12 h10,592 subs |
| M96Leo | Galaxy | 4 h 49 min4,343 subs | 6 h 39 min5,992 subs | 13 h11,688 subs |
| Sunflower GalaxyCanes Venatici | Galaxy | 4 h 58 min4,473 subs | 6 h 54 min6,208 subs | 14 h12,203 subs |
| M88Coma Berenices | Galaxy | 5 h 29 min4,935 subs | 7 h 34 min6,812 subs | 15 h13,299 subs |
| Antennae GalaxiesCorvus | Galaxy | 5 h 59 min5,390 subs | 8 h 16 min7,443 subs | 16 h14,540 subs |
| M100Coma Berenices | Galaxy | 7 h 01 min6,322 subs | 9 h 43 min8,753 subs | 19 h17,151 subs |
| M90Virgo | Galaxy | 7 h 39 min6,878 subs | 11 h9,560 subs | 21 h18,827 subs |
| Hamburger GalaxyLeo | Galaxy | 7 h 37 min6,859 subs | 11 h9,569 subs | 21 h18,933 subs |
| M58Virgo | Galaxy | 7 h 51 min7,059 subs | 11 h9,780 subs | 21 h19,180 subs |
| M99Coma Berenices | Galaxy | 8 h 26 min7,596 subs | 12 h10,531 subs | 23 h20,674 subs |
| M61Virgo | Galaxy | 9 h 26 min8,484 subs | 13 h11,775 subs | 26 h23,149 subs |
| M95Leo | Galaxy | 11 h9,537 subs | 15 h13,265 subs | 29 h26,147 subs |
| M109Ursa Major | Galaxy | 12 h10,370 subs | 16 h14,437 subs | 32 h28,491 subs |
| M98Coma Berenices | Galaxy | 12 h10,377 subs | 16 h14,472 subs | 32 h28,624 subs |
| M91Coma Berenices | Galaxy | 12 h10,476 subs | 16 h14,570 subs | 32 h28,715 subs |
| Pinwheel GalaxyUrsa Major | Galaxy | 14 h12,667 subs | 20 h17,741 subs | 39 h35,277 subs |
Other telescopes in April: Seestar S50 · Seestar S50 Pro · Seestar S30 · Seestar S30 Pro · DWARF 3 · DWARF mini · Draco · DWARF II · Vespera II · Vespera Pro · Vespera 3 · Vespera Pro 2 · eQuinox 2 · Origin · Origin Mark II
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