What to image in September with the ZWO Seestar S30 Pro
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 Pro 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 min39 subs |
| M52Cassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 7 min44 subs |
| 47 TucanaeTucana | Globular cluster | 5 min30 subs | 5 min30 subs | 5 min30 subs |
| Owl ClusterCassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 7 min44 subs |
| NGC 663Cassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 6 min39 subs |
| Caroline's RoseCassiopeia | Open cluster | 5 min30 subs | 5 min30 subs | 6 min39 subs |
| M29Cygnus | Open cluster | 5 min30 subs | 6 min39 subs | 14 min82 subs |
| NGC 6939Cepheus | Open cluster | 5 min30 subs | 6 min39 subs | 14 min82 subs |
| M103Cassiopeia | Open cluster | 5 min30 subs | 7 min41 subs | 14 min86 subs |
| M15Pegasus | Globular cluster | 6 min39 subs | 11 min67 subs | 27 min165 subs |
| M2Aquarius | Globular cluster | 7 min42 subs | 12 min72 subs | 30 min178 subs |
| Saturn NebulaAquarius, dual-band | Planetary nebula | 10 min63 subs | 12 min73 subs | 18 min108 subs |
| M30Capricornus | Globular cluster | 8 min48 subs | 14 min82 subs | 33 min199 subs |
| M75Sagittarius | Globular cluster | 13 min77 subs | 22 min132 subs | 53 min319 subs |
| M32Andromeda | Galaxy | 13 min81 subs | 24 min143 subs | 59 min354 subs |
| Bow-Tie NebulaCepheus, dual-band | Planetary nebula | 20 min123 subs | 25 min149 subs | 39 min237 subs |
| Sculptor GalaxySculptor | Galaxy | 18 min107 subs | 34 min203 subs | 1 h 29 min536 subs |
| Little DumbbellPerseus, dual-band | Planetary nebula | 31 min189 subs | 39 min233 subs | 1 h 04 min386 subs |
| M72Aquarius | Globular cluster | 43 min259 subs | 1 h 23 min497 subs | 3 h 39 min1,317 subs |
| Eastern Veil NebulaCygnus, dual-band | Supernova remnant | 1 h 12 min433 subs | 1 h 35 min569 subs | 2 h 53 min1,039 subs |
| Andromeda GalaxyAndromeda | Galaxy | 50 min300 subs | 1 h 41 min609 subs | 4 h 40 min1,678 subs |
| North America NebulaCygnus, dual-band | Emission nebula | 1 h 18 min470 subs | 1 h 43 min619 subs | 3 h 09 min1,135 subs |
| Western Veil NebulaCygnus, dual-band | Supernova remnant | 1 h 25 min510 subs | 1 h 52 min674 subs | 3 h 26 min1,239 subs |
| Pacman NebulaCassiopeia, dual-band | Emission nebula | 1 h 32 min555 subs | 2 h 02 min734 subs | 3 h 46 min1,354 subs |
| Ghost of CassiopeiaCassiopeia, dual-band | Emission nebula | 1 h 39 min597 subs | 2 h 11 min784 subs | 3 h 58 min1,427 subs |
| Iris NebulaCepheus | Reflection nebula | 1 h 04 min384 subs | 2 h 12 min790 subs | 6 h 05 min2,191 subs |
| Pelican NebulaCygnus, dual-band | Emission nebula | 1 h 49 min656 subs | 2 h 25 min872 subs | 4 h 29 min1,617 subs |
| Helix NebulaAquarius, dual-band | Planetary nebula | 1 h 49 min656 subs | 2 h 25 min872 subs | 4 h 29 min1,617 subs |
| NGC 7331Pegasus | Galaxy | 1 h 12 min435 subs | 2 h 27 min883 subs | 6 h 45 min2,430 subs |
| Elephant's Trunk NebulaCepheus, dual-band | Emission nebula | 2 h 09 min776 subs | 2 h 53 min1,036 subs | 5 h 22 min1,932 subs |
| Wizard NebulaCepheus, dual-band | Emission nebula | 2 h 09 min776 subs | 2 h 53 min1,036 subs | 5 h 22 min1,932 subs |
| Tulip NebulaCygnus, dual-band | Emission nebula | 2 h 09 min776 subs | 2 h 53 min1,036 subs | 5 h 22 min1,932 subs |
| Triangulum GalaxyTriangulum | Galaxy | 1 h 30 min541 subs | 3 h 08 min1,127 subs | 8 h 45 min3,152 subs |
| Crescent NebulaCygnus, dual-band | Emission nebula | 2 h 33 min920 subs | 3 h 25 min1,232 subs | 6 h 25 min2,309 subs |
| Bubble NebulaCassiopeia, dual-band | Emission nebula | 2 h 33 min920 subs | 3 h 25 min1,232 subs | 6 h 25 min2,309 subs |
| Cocoon NebulaCygnus, dual-band | Emission nebula | 2 h 42 min970 subs | 3 h 36 min1,294 subs | 6 h 42 min2,414 subs |
| M110Andromeda | Galaxy | 2 h 05 min748 subs | 4 h 23 min1,576 subs | 12 h4,440 subs |
| Cave NebulaCepheus, dual-band | Emission nebula | 3 h 36 min1,296 subs | 4 h 51 min1,747 subs | 9 h 11 min3,304 subs |
| Fireworks GalaxyCygnus | Galaxy | 2 h 53 min1,041 subs | 6 h 06 min2,196 subs | 17 h6,188 subs |
| M74Pisces | Galaxy | 3 h 02 min1,092 subs | 6 h 23 min2,301 subs | 18 h6,477 subs |
| NGC 6914Cygnus | Reflection nebula | 3 h 23 min1,216 subs | 7 h 02 min2,534 subs | 20 h7,091 subs |
Other telescopes in September: Seestar S50 · Seestar S50 Pro · Seestar S30 · 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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