What to image in September with the ZWO Seestar S30
Cygnus overhead, Andromeda rising in the east and Pegasus behind it. The North America and Veil pages are the busiest on the site this month for a reason; the dual-band filter and 30 to 60 s subs make them possible from a suburban garden.
Moon in September 2027: new on 30 Sep, full on 15 Sep. Broadband targets (galaxies, clusters) want the week either side of new; emission nebulae behind a dual-band filter tolerate the rest.
41 targets transit near midnight in September. From a suburban sky the Seestar S30 gets a solid image of 18 of them in under an hour each; 23 need longer, or a darker sky, or several nights. Times below use the recommended filter and 10 s subs.
| Target | Type | Bortle 4 | Bortle 6 | Bortle 8 |
|---|---|---|---|---|
| M39Cygnus | Open cluster | 5 min30 subs | 5 min30 subs | 6 min34 subs |
| M52Cassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 6 min39 subs |
| 47 TucanaeTucana | Globular cluster | 5 min30 subs | 5 min30 subs | 5 min30 subs |
| Owl ClusterCassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 6 min39 subs |
| NGC 663Cassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 6 min34 subs |
| Caroline's RoseCassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 6 min34 subs |
| M29Cygnus | Open cluster | 5 min30 subs | 6 min35 subs | 12 min73 subs |
| NGC 6939Cepheus | Open cluster | 5 min30 subs | 6 min35 subs | 12 min73 subs |
| M103Cassiopeia | Open cluster | 5 min30 subs | 6 min36 subs | 13 min76 subs |
| M15Pegasus | Globular cluster | 6 min36 subs | 10 min61 subs | 24 min147 subs |
| M2Aquarius | Globular cluster | 6 min38 subs | 11 min65 subs | 26 min159 subs |
| Saturn NebulaAquarius, dual-band | Planetary nebula | 10 min59 subs | 11 min68 subs | 16 min99 subs |
| M30Capricornus | Globular cluster | 7 min44 subs | 12 min74 subs | 29 min177 subs |
| M75Sagittarius | Globular cluster | 12 min71 subs | 20 min119 subs | 47 min284 subs |
| M32Andromeda | Galaxy | 12 min75 subs | 21 min129 subs | 52 min314 subs |
| Bow-Tie NebulaCepheus, dual-band | Planetary nebula | 19 min117 subs | 23 min140 subs | 36 min217 subs |
| Sculptor GalaxySculptor | Galaxy | 16 min99 subs | 31 min184 subs | 1 h 19 min476 subs |
| Little DumbbellPerseus, dual-band | Planetary nebula | 30 min182 subs | 37 min221 subs | 59 min355 subs |
| M72Aquarius | Globular cluster | 40 min241 subs | 1 h 15 min449 subs | 3 h 15 min1,170 subs |
| Eastern Veil NebulaCygnus, dual-band | Supernova remnant | 1 h 11 min429 subs | 1 h 31 min548 subs | 2 h 40 min962 subs |
| Andromeda GalaxyAndromeda | Galaxy | 47 min280 subs | 1 h 32 min552 subs | 4 h 08 min1,491 subs |
| North America NebulaCygnus, dual-band | Emission nebula | 1 h 18 min466 subs | 1 h 39 min597 subs | 2 h 55 min1,050 subs |
| Western Veil NebulaCygnus, dual-band | Supernova remnant | 1 h 24 min507 subs | 1 h 48 min651 subs | 3 h 11 min1,148 subs |
| Pacman NebulaCassiopeia, dual-band | Emission nebula | 1 h 32 min551 subs | 1 h 58 min709 subs | 3 h 29 min1,254 subs |
| Iris NebulaCepheus | Reflection nebula | 1 h359 subs | 1 h 59 min716 subs | 5 h 24 min1,947 subs |
| Ghost of CassiopeiaCassiopeia, dual-band | Emission nebula | 1 h 38 min591 subs | 2 h 06 min755 subs | 3 h 40 min1,321 subs |
| NGC 7331Pegasus | Galaxy | 1 h 08 min407 subs | 2 h 13 min800 subs | 6 h2,160 subs |
| Pelican NebulaCygnus, dual-band | Emission nebula | 1 h 49 min653 subs | 2 h 20 min843 subs | 4 h 10 min1,498 subs |
| Helix NebulaAquarius, dual-band | Planetary nebula | 1 h 49 min653 subs | 2 h 20 min843 subs | 4 h 10 min1,498 subs |
| Elephant's Trunk NebulaCepheus, dual-band | Emission nebula | 2 h 09 min775 subs | 2 h 47 min1,003 subs | 4 h 58 min1,790 subs |
| Wizard NebulaCepheus, dual-band | Emission nebula | 2 h 09 min775 subs | 2 h 47 min1,003 subs | 4 h 58 min1,790 subs |
| Tulip NebulaCygnus, dual-band | Emission nebula | 2 h 09 min775 subs | 2 h 47 min1,003 subs | 4 h 58 min1,790 subs |
| Triangulum GalaxyTriangulum | Galaxy | 1 h 24 min506 subs | 2 h 50 min1,022 subs | 7 h 47 min2,801 subs |
| Crescent NebulaCygnus, dual-band | Emission nebula | 2 h 33 min920 subs | 3 h 19 min1,194 subs | 5 h 57 min2,141 subs |
| Bubble NebulaCassiopeia, dual-band | Emission nebula | 2 h 33 min920 subs | 3 h 19 min1,194 subs | 5 h 57 min2,141 subs |
| Cocoon NebulaCygnus, dual-band | Emission nebula | 2 h 41 min968 subs | 3 h 29 min1,253 subs | 6 h 13 min2,238 subs |
| M110Andromeda | Galaxy | 1 h 57 min701 subs | 3 h 58 min1,430 subs | 11 h3,946 subs |
| Cave NebulaCepheus, dual-band | Emission nebula | 3 h 37 min1,300 subs | 4 h 43 min1,696 subs | 8 h 31 min3,064 subs |
| Fireworks GalaxyCygnus | Galaxy | 2 h 43 min977 subs | 5 h 32 min1,992 subs | 15 h5,500 subs |
| M74Pisces | Galaxy | 2 h 51 min1,024 subs | 5 h 48 min2,087 subs | 16 h5,757 subs |
| NGC 6914Cygnus | Reflection nebula | 3 h 10 min1,139 subs | 6 h 23 min2,298 subs | 18 h6,303 subs |
Other telescopes in September: Seestar S50 · Seestar S50 Pro · Seestar S30 Pro · DWARF 3 · DWARF mini · Draco · DWARF II · Vespera II · Vespera Pro · Vespera 3 · Vespera Pro 2 · eQuinox 2 · Odyssey · Origin · Origin Mark II
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