How Many Subs

What to image in August with the DwarfLab DWARF 3

The summer nebulae at their best in the evening: the North America and Pelican, the Veil, the Crescent and the Eagle. Dark from about 22:00 at British latitudes again. The Perseids give a night to skip imaging and just look up.

Moon in August 2027: new on 2 Aug and 31 Aug, full on 17 Aug. Broadband targets (galaxies, clusters) want the week either side of new; emission nebulae behind a dual-band filter tolerate the rest.

49 targets transit near midnight in August. From a suburban sky the DWARF 3 gets a solid image of 30 of them in under an hour each; 19 need longer, or a darker sky, or several nights. Times below use the recommended filter and 15 s subs.

Solid image with the DwarfLab DWARF 3, 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
Wild Duck ClusterScutumOpen cluster8 min30 subs8 min30 subs9 min37 subs
M18SagittariusOpen cluster8 min30 subs8 min30 subs14 min57 subs
M21SagittariusOpen cluster8 min30 subs8 min30 subs10 min39 subs
M25SagittariusOpen cluster8 min30 subs8 min30 subs8 min34 subs
M26ScutumOpen cluster8 min30 subs8 min30 subs8 min34 subs
M39CygnusOpen cluster8 min30 subs8 min30 subs8 min34 subs
M52CassiopeiaOpen cluster8 min30 subs8 min30 subs10 min39 subs
Caroline's RoseCassiopeiaOpen cluster8 min30 subs8 min30 subs8 min34 subs
M29CygnusOpen cluster8 min30 subs8 min33 subs18 min73 subs
NGC 6939CepheusOpen cluster8 min30 subs8 min33 subs18 min73 subs
M28SagittariusGlobular cluster8 min30 subs9 min38 subs22 min88 subs
Ring NebulaLyra, dual-bandPlanetary nebula8 min34 subs10 min39 subs14 min57 subs
Sagittarius Star CloudSagittariusStar cloud8 min30 subs13 min52 subs33 min132 subs
Blinking PlanetaryCygnus, dual-bandPlanetary nebula12 min48 subs14 min57 subs22 min89 subs
Saturn NebulaAquarius, dual-bandPlanetary nebula12 min48 subs14 min57 subs22 min89 subs
M15PegasusGlobular cluster8 min32 subs14 min57 subs36 min146 subs
M2AquariusGlobular cluster8 min34 subs15 min61 subs39 min157 subs
M30CapricornusGlobular cluster10 min39 subs17 min70 subs44 min176 subs
M22SagittariusGlobular cluster10 min39 subs18 min73 subs47 min189 subs
M55SagittariusGlobular cluster11 min43 subs20 min81 subs53 min213 subs
M70SagittariusGlobular cluster13 min54 subs24 min97 subs1 h 01 min245 subs
M69SagittariusGlobular cluster13 min54 subs25 min99 subs1 h 04 min256 subs
Lagoon NebulaSagittarius, dual-bandEmission nebula19 min77 subs25 min102 subs48 min191 subs
Dumbbell NebulaVulpecula, dual-bandPlanetary nebula21 min84 subs27 min107 subs47 min187 subs
M75SagittariusGlobular cluster15 min62 subs28 min112 subs1 h 10 min282 subs
M71SagittaGlobular cluster15 min62 subs28 min112 subs1 h 11 min285 subs
Omega NebulaSagittarius, dual-bandEmission nebula23 min91 subs30 min120 subs55 min221 subs
M54SagittariusGlobular cluster21 min84 subs42 min167 subs1 h 54 min455 subs
Trifid NebulaSagittarius, dual-bandEmission nebula39 min157 subs55 min221 subs1 h 51 min445 subs
M56LyraGlobular cluster29 min118 subs59 min238 subs2 h 42 min650 subs
Eagle NebulaSerpens, dual-bandEmission nebula53 min212 subs1 h 16 min305 subs2 h 37 min628 subs
Eastern Veil NebulaCygnus, dual-bandSupernova remnant1 h 07 min267 subs1 h 37 min390 subs3 h 24 min816 subs
M72AquariusGlobular cluster50 min202 subs1 h 44 min417 subs4 h 50 min1,160 subs
North America NebulaCygnus, dual-bandEmission nebula1 h 12 min289 subs1 h 46 min424 subs3 h 42 min890 subs
Western Veil NebulaCygnus, dual-bandSupernova remnant1 h 18 min312 subs1 h 55 min460 subs4 h 03 min972 subs
Pelican NebulaCygnus, dual-bandEmission nebula1 h 39 min396 subs2 h 28 min591 subs5 h 16 min1,266 subs
Helix NebulaAquarius, dual-bandPlanetary nebula1 h 39 min396 subs2 h 28 min591 subs5 h 16 min1,266 subs
Iris NebulaCepheusReflection nebula1 h 13 min292 subs2 h 45 min659 subs8 h 02 min1,927 subs
Elephant's Trunk NebulaCepheus, dual-bandEmission nebula1 h 56 min465 subs2 h 55 min700 subs6 h 18 min1,511 subs
Wizard NebulaCepheus, dual-bandEmission nebula1 h 56 min465 subs2 h 55 min700 subs6 h 18 min1,511 subs
Tulip NebulaCygnus, dual-bandEmission nebula1 h 56 min465 subs2 h 55 min700 subs6 h 18 min1,511 subs
NGC 7331PegasusGalaxy1 h 23 min333 subs3 h 04 min738 subs8 h 54 min2,138 subs
NGC 6781Aquila, dual-bandPlanetary nebula2 h 19 min555 subs3 h 22 min808 subs7 h1,682 subs
Crescent NebulaCygnus, dual-bandEmission nebula2 h 17 min547 subs3 h 27 min829 subs7 h 31 min1,805 subs
Bubble NebulaCassiopeia, dual-bandEmission nebula2 h 17 min547 subs3 h 27 min829 subs7 h 31 min1,805 subs
Cocoon NebulaCygnus, dual-bandEmission nebula2 h 25 min581 subs3 h 39 min875 subs7 h 52 min1,889 subs
Cave NebulaCepheus, dual-bandEmission nebula3 h 10 min761 subs4 h 52 min1,169 subs11 h2,578 subs
Fireworks GalaxyCygnusGalaxy3 h 16 min783 subs7 h 37 min1,829 subs23 h5,442 subs
NGC 6914CygnusReflection nebula3 h 50 min919 subs8 h 48 min2,113 subs26 h6,237 subs

Other telescopes in August: Seestar S50 · Seestar S50 Pro · Seestar S30 · Seestar S30 Pro · 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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