18% gray, 176
Absolute humidity, 122
Actions, 328
Airplanes, 310
Ambient light, 139
Ancestral Puebloan, 34
Aperture, 154
Apogee, 79
Asterism, 21
Asteroid, 99
Astrotrac, 280
Augmented reality (AR), night, 287–290
Aurora Australis see Aurorae
Aurora Borealis see Aurorae
Aurora oval, 56
BBioluminescence, 212
Black hole, 103
Blood Moon, 79
Bolide, 95
Books of knowledge, 286
Bracketing, see exposure bracketing
Brightness, 140
Brightness/contrast adjustments, 323
Brush tool, 324
Bz index, 56
Catalog, Lightroom, 318
Celestial sphere, 26
Chromatic aberration, 156
Circle of confusion, CoC, 161
Circular polarizing filter, 274
Circumpolar, 32
Cirrocumulus, 120
Cirrostratus, 120
Cityscapes, 214
Civil twilight, 42
Coal Sack, 113
Cold, 306
Color balancing, 319
Coma, 156
Compass, 270
Conjunction, see planetary conjunction
Constellations, 215
Corona–moon, sun, 129
Coronal mass ejection (CME), 50
Crepuscular rays, 130
Crop sensor, 149
DDark adaptation, 145
Dark nebula, 113
Deep Space Climate Observatory (DSCOVR), 55
Dehaze, 324
Depth-of-Field, DOF, 161
Develop module, Lightroom, 319
Dew, 123
Dew point, 123
Direct light, 139
Distant Suns, 258
Dubhe, 22
Dust clouds, 113
Ecliptic, 28
Electromagnetic spectrum, 136
Emission nebula, 113
Emu in the Sky, 113
Equatorial mount, 281
Equinox, 34
ETTR, 187
Exporting, Lightroom, 324
Exposure bracketing, 340
Exposure stop, 141
Exposure value, EV, 176
Ff-stop, 141
Far focus point, 161
Field-of-view, FOV, 152
File compression, 151
File format, 151
Fireball, 95
Firefly analogy, 178
Fisheye-Hemi, 328
FLW filter, 278
Flying seagulls, 180
Focal length, 151
Focus blending, 340
Focus distance, see subject focus distance
Fog filter, 278
Foreground-priority, 240, 247–249
Frost, 123
Full moon, 217
Full-frame sesnor, 149
Gaffer’s tape, 272
Galactic core, 103
Gas giants, 87
Geocentric model, 86
Ghetz, Andrea, 103
Gibbous, 73
Graduated neutral density filter, 277
Great Lakes Aurora Hunters (GLAH), 59
Great Rift, 113
Ground fog, 125
Hale-Bopp comet, 96
Harvest Moon, 79
Heliocentric model, 86
High-dynamic range, HDR, 340
Histogram, 292
Holy-grail time-lapse, 358
Horizon, 42
Hue, 140
Human factors, 306
Humidity, 122
IIce pillar, 125
ImageJ, 353
Importing, Lightroom, 318
Incandescence, 137
Indirect light, 139
Infrared, 136
Intensity, 140
Interference, 129
Interplanetary magnetic field, 56
Intervalometer, 306
ISO blending, 342
JPEG—see file format
Key frames, 358
Kp index, 56
Latitude effects, Milky Way, 112
Lens (eye), 144
Lens correction, 323
Libation point, 55
Light drawing, 197
Light pollution, 310
Light pollution filter, 280
Light reflectors, 139
Light refractors, 139
Light scatterers, 139
Light value (LV), 140
Lightroom, 261
Long-exposure noise reduction (LENR), 338
Loupe, focusing, 298
LRTime-lapse, 358
Luminance, 140
Luminescence, 137
Luminosity, 140
Lunar eclipse, see eclipse, 78
Lunation, 91
Lux, 140
Magellanic clouds, 221
Magnetic declination, 271
Mare see Maria
Maria, 67
Merak, 22
Meteor, 95
Meteor shower composite, 355
Meteorite, 95
Mobius arch, 364
Monitor calibration, 318
Moon illusion, 82
NNational Oceanic and Armospheric Agency (NOAA), 54
Nautical twilight, 42
Near focus point, 161
Neutral density filter, 276
Nimbostratus, 120
Nodal point, 280
Noise, 149
Noise reduction, 323
North Star, 21
Northern Lights, see Aurorae
Open coronal hole, 50
Orbit, 70
Orion-Cygnus arm, 103
Perigee, 79
Petroglyphs, 34
Phase (Moon), 73
Photopigments, 144
PhotoPills, 259
Photoreceptor cells, 144
Pixel, 148
Planet,
Planetarium, 32
Planetary K-index see Kp index
Planetray conjuction, 86, 89, 227
Planisphere, 31
Plug-ins, 328
Pointer stars, 22
Polaris, 21
Polarizing filter, see circular polarizing filter
Prime lens, 173
Pupil, 144
Quarter moon, 73
Radiant point, 97
Radiative heat transfer, 123
Rainbow, 125
RAW file—see file format
Red headlamp, 270
Reflection, 125
Reflection nebula, 113
Refraction, 125
Relative humidity, 122
Retina, 143
Rocket launch, 228
Rule of 400/500/600, 182
Satellites, 310
Saturation water vapor, 122
Scripts, 328
Seasons, 33
Sensor, 148
Sharpening, 323
Sidereal month, 84
Solar eclipse see eclipse, 78
Solstice, 34
Southern Cross, 22
Spares, 299
Spectrum, spectra, 137
Spherical aberration, 156
Split neutral density filter, see Graduated neutral density filter
Split Rock Lighthouse, 380–385
Spot removal, 324
Star Walk, 258
StarStax, 353
Stratocumulus, 120
Subject focus distance, 151, 156
Sundog, 125
Sunspot, 50
Supermoon, 79
Supersaturation, 125
Synodic month, 70
Terrestrial planets, 87
The Photographers Ephemeris (TPE), 259
The World At Night (TWAN), 267
Theia, 67
Theodolite, 264
Thermosphere, 59
Tonal range, 338
TWAN see The World At Night
Ultraviolet, 136
Ultraviolet (UV) filter, 280
Ursa Major, 21
US Space Weather Center, 54
Via lactea, 105
Vignette, lens, 156
Volcano, 232
Waning, 73
Water vapor, 122
Waxing, 73
Weather front, 120
Zodiac, 28
Zoom lens, 173