How Many Subs

What to image in July with the Vaonis Vespera II

The Milky Way core is up after midnight: the Lagoon, Trifid, Eagle and Swan nebulae, low in the south from Britain and northern Europe but spectacular from the southern US and the southern hemisphere. Cygnus and the Veil are high by the small hours. Dual-band filter on for all of them.

Moon in July 2027: new on 4 Jul, full on 18 Jul. Broadband targets (galaxies, clusters) want the week either side of new; emission nebulae behind a dual-band filter tolerate the rest.

59 targets transit near midnight in July. From a suburban sky the Vespera II gets a solid image of 42 of them in under an hour each; 17 need longer, or a darker sky, or several nights. Times below use the recommended filter and 10 s subs.

Solid image with the Vaonis Vespera II, sorted by the Bortle 6 figure. Each link opens the full Bortle 1 to 9 table with sub-length and filter comparisons.
TargetTypeBortle 4Bortle 6Bortle 8
Butterfly ClusterScorpiusOpen cluster5 min30 subs5 min30 subs6 min34 subs
Ptolemy's ClusterScorpiusOpen cluster5 min30 subs5 min30 subs6 min34 subs
Wild Duck ClusterScutumOpen cluster5 min30 subs5 min30 subs6 min36 subs
M18SagittariusOpen cluster5 min30 subs5 min30 subs9 min56 subs
M21SagittariusOpen cluster5 min30 subs5 min30 subs6 min39 subs
M23SagittariusOpen cluster5 min30 subs5 min30 subs6 min34 subs
M25SagittariusOpen cluster5 min30 subs5 min30 subs6 min34 subs
M26ScutumOpen cluster5 min30 subs5 min30 subs6 min34 subs
M39CygnusOpen cluster5 min30 subs5 min30 subs6 min34 subs
M29CygnusOpen cluster5 min30 subs6 min34 subs12 min72 subs
NGC 6939CepheusOpen cluster5 min30 subs6 min34 subs12 min72 subs
M92HerculesGlobular cluster5 min30 subs6 min36 subs14 min85 subs
M28SagittariusGlobular cluster5 min30 subs6 min38 subs14 min87 subs
Hercules ClusterHerculesGlobular cluster5 min30 subs7 min44 subs18 min107 subs
Ring NebulaLyraPlanetary nebula5 min31 subs8 min47 subs17 min105 subs
M62OphiuchusGlobular cluster5 min30 subs8 min50 subs20 min122 subs
Sagittarius Star CloudSagittariusStar cloud5 min31 subs9 min53 subs22 min131 subs
M15PegasusGlobular cluster5 min33 subs10 min58 subs24 min144 subs
M2AquariusGlobular cluster6 min36 subs10 min63 subs26 min156 subs
M80ScorpiusGlobular cluster6 min39 subs11 min66 subs26 min159 subs
M30CapricornusGlobular cluster7 min41 subs12 min71 subs29 min174 subs
M22SagittariusGlobular cluster7 min42 subs12 min74 subs31 min187 subs
Cat's Eye NebulaDracoPlanetary nebula7 min45 subs12 min75 subs29 min175 subs
Turtle NebulaHerculesPlanetary nebula7 min45 subs12 min75 subs29 min175 subs
Blinking PlanetaryCygnusPlanetary nebula7 min45 subs12 min75 subs29 min175 subs
Saturn NebulaAquariusPlanetary nebula7 min45 subs12 min75 subs29 min175 subs
M55SagittariusGlobular cluster8 min46 subs14 min83 subs35 min211 subs
M12OphiuchusGlobular cluster8 min48 subs14 min87 subs37 min222 subs
M70SagittariusGlobular cluster9 min57 subs16 min99 subs40 min243 subs
M69SagittariusGlobular cluster9 min57 subs17 min101 subs42 min254 subs
M75SagittariusGlobular cluster11 min66 subs19 min114 subs46 min279 subs
M71SagittaGlobular cluster11 min66 subs19 min115 subs47 min282 subs
M19OphiuchusGlobular cluster11 min68 subs21 min128 subs56 min334 subs
M14OphiuchusGlobular cluster12 min74 subs23 min136 subs59 min352 subs
Dumbbell NebulaVulpeculaPlanetary nebula15 min89 subs27 min163 subs1 h 09 min416 subs
M10OphiuchusGlobular cluster14 min86 subs27 min165 subs1 h 13 min439 subs
Lagoon NebulaSagittariusEmission nebula15 min88 subs28 min170 subs1 h 15 min452 subs
M54SagittariusGlobular cluster15 min90 subs28 min171 subs1 h 15 min451 subs
Omega NebulaSagittariusEmission nebula17 min103 subs32 min195 subs1 h 26 min515 subs
M9OphiuchusGlobular cluster18 min106 subs34 min203 subs1 h 30 min539 subs
M56LyraGlobular cluster21 min128 subs41 min244 subs1 h 47 min645 subs
M107OphiuchusGlobular cluster29 min177 subs59 min356 subs2 h 42 min974 subs
Trifid NebulaSagittariusEmission nebula33 min197 subs1 h 07 min402 subs3 h 05 min1,111 subs
M72AquariusGlobular cluster37 min220 subs1 h 11 min429 subs3 h 12 min1,150 subs
M4ScorpiusGlobular cluster36 min217 subs1 h 14 min446 subs3 h 26 min1,238 subs
Eagle NebulaSerpensEmission nebula46 min275 subs1 h 35 min571 subs4 h 26 min1,595 subs
Iris NebulaCepheusReflection nebula54 min325 subs1 h 53 min681 subs5 h 19 min1,913 subs
Eastern Veil NebulaCygnusSupernova remnant59 min353 subs2 h 04 min744 subs5 h 49 min2,094 subs
North America NebulaCygnusEmission nebula1 h 04 min385 subs2 h 15 min813 subs6 h 22 min2,294 subs
Western Veil NebulaCygnusSupernova remnant1 h 10 min419 subs2 h 28 min889 subs6 h 59 min2,512 subs
Pelican NebulaCygnusEmission nebula1 h 30 min542 subs3 h 13 min1,161 subs9 h 10 min3,301 subs
Elephant's Trunk NebulaCepheusEmission nebula1 h 47 min644 subs3 h 51 min1,388 subs11 h3,961 subs
Tulip NebulaCygnusEmission nebula1 h 47 min644 subs3 h 51 min1,388 subs11 h3,961 subs
NGC 6781AquilaPlanetary nebula2 h 02 min730 subs4 h 15 min1,532 subs12 h4,303 subs
Crescent NebulaCygnusEmission nebula2 h 08 min766 subs4 h 37 min1,661 subs13 h4,754 subs
Cocoon NebulaCygnusEmission nebula2 h 14 min805 subs4 h 49 min1,735 subs14 h4,951 subs
Fireworks GalaxyCygnusGalaxy2 h 26 min878 subs5 h 15 min1,893 subs15 h5,401 subs
NGC 6914CygnusReflection nebula2 h 51 min1,026 subs6 h 04 min2,185 subs17 h6,190 subs
Abell 39HerculesPlanetary nebula16 h5,924 subs37 h13,236 subs110+ h38,505 subs

Other telescopes in July: Seestar S50 · Seestar S50 Pro · Seestar S30 · Seestar S30 Pro · DWARF 3 · DWARF mini · Draco · DWARF II · Vespera Pro · Vespera 3 · Vespera Pro 2 · eQuinox 2 · Odyssey · Origin · Origin Mark II

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