![](/img/m42_2020-05-31_id1066_thm.jpg) The Great Orion Nebula in Elemental Colors | ![](/img/medulla_2020-12-07_id1221_thm.jpg) The Medulla Nebula | ![](/img/m45_2022-06-20_id1254_thm.jpg) The Pleaides and Interstellar Dust | ![](/img/m104_2022-06-13_id1252_thm.jpg) M104 - The Sombrero Galaxy |
![](/img/ngc6164_2022-11-02_id1255_thm.jpg) The Dragon's Egg | ![](/img/ngc6188_2021-07-10_id1248_thm.jpg) The Fighting Dragons of Ara | ![](/img/m83_2021-07-08_id1247_thm.jpg) Spiral Galaxy M83 | ![](/img/tarantula_2022-06-19_id1253_thm.jpg) The Tarantula Nebula |
![](/img/m8_2021-07-03_id1246_thm.jpg) The Lagoon Nebula | ![](/img/ngc253_2022-02-03_id1251_thm.jpg) The Sculptor Galaxy | ![](/img/m51_2020-05-18_id1192_thm.jpg) The Whirlpool Galaxy | ![](/img/moon_2020-05-25_id1018_thm.jpg) The Colors of the Moon |
![](/img/m20_2021-06-06_id1242_thm.jpg) The Trifid Nebula | ![](/img/ngc2023b33_2020-06-23_id1071_thm.jpg) The Horse Head Nebula and NGC 2023 | ![](/img/ngc281_2022-02-01_id1250_thm.jpg) Deep NGC 281 in Elemental Colors | ![](/img/m81_2020-05-25_id1185_thm.jpg) Spiral Galaxy M81 |
![](/img/m82_2021-03-12_id1239_thm.jpg) Galaxy M82 | ![](/img/virgo_hydrogen_2021-06-24_id1245_thm.jpg) The Hydrogen of the Virgo Cluster | ![](/img/ngc6822_2021-07-11_id1249_thm.jpg) Barnard's Galaxy | ![](/img/m16_2020-05-25_id1188_thm.jpg) The Eagle Nebula in Elemental Colors |
![](/solar_system/jupiter/images/jupiter_2003-03-16_1_thumb.jpg) Jupiter 16 March 2003 | ![](/img/ngc2264_2020-06-23_id1022_thm.jpg) The Fox Fur Nebula | ![](/img/antennae_2021-06-12_id1243_thm.jpg) The Antennae Galaxies | ![](/img/centaurus_a_2021-06-04_id1241_thm.jpg) Centaurus A Galaxy |
![](/img/omega_centauri_2021-06-02_id1240_thm.jpg) Globular Cluster Omega Centauri | ![](/img/ngc1435_2005-01-07_thumb.jpg) The Merope Nebula | ![](/img/rosette_2021-03-07_id1238_thm.jpg) The Rosette Nebula | ![](/img/m81_group_hi_2021-02-14_id1237_thm.jpg) M81 Galaxy Group, Neutral Hydrogen, and Interstellar Dust |
![](/img/2020-05-18_2020-05-18_id1173_thm.jpg) The Pelican Nebula in Elemental Colors | ![](/img/m31_gendler_croman_2020-10-23_id1214_thm.jpg) Andromeda Galaxy Collaboration | ![](/img/ngc3628_2005-03-10_thumb.jpg) Spiral Galaxy NGC 3628 | ![](/img/m1_2003-01-31_id1050_thm.jpg) The Crab Nebula |
![](/img/hgc44_2005-03-30_thumb.jpg) Hickson Compact Galaxy Group #44 | ![](/img/ngc6960_2005-08-01_id1003_thm.jpg) The Witch's Broom Nebula | ![](/img/leoi_2020-07-23_id1165_thm.jpg) The Leo I Dwarf Galaxy | ![](/img/m45_2004-01-25_thumb.jpg) The Pleiades (M45) |
![](/solar_system/mars/images/mars_2003-07-25_thumb.jpg) Mars 25 July 2003 | ![](/img/ngc2244_enh_2004_thumb.jpg) The Rosette Nebula | ![](/img/jewel_box_2021-06-21_id1244_thm.jpg) The Jewel Box Cluster | ![](/img/m31_thumb.jpg) The Andromeda Galaxy |
![](/solar_system/saturn/images/saturn_2004-01-11_thumb.jpg) Saturn | ![](/img/m16_2003-06-08_thumb.jpg) The Eagle Nebula in Elemental Colors | ![](/img/m33_2006-11-22_id1171_thm.jpg) The Triangulum Galaxy | ![](/solar_system/moon/images/moonbees_thumb.jpg) Jupiter, the Moon, and the Beehive Cluster |
![](/img/ngc7635_2005-10-21_id1090_thm.jpg) The Bubble Nebula in Elemental Colors | ![](/img/m31_w_ha_2020-10-18_id1213_thm.jpg) The Andromeda Galaxy with Hydrogen | ![](/img/california_2021-02-06_id1231_thm.jpg) The California Nebula | ![](/img/m81_group_2021-02-14_id1236_thm.jpg) M81 Galaxy Group and Interstellar Dust |
![](/img/ngc2264_2003-02-23_thumb.jpg) The Cone and Fox Fur Nebula Region | ![](/img/medusa_nb_2021-02-10_id1234_thm.jpg) The Medusa Nebula in Elemental Colors | ![](/composite/images/road_to_tsp_thumb.jpg) The Road to the Texas Star Party | ![](/img/ngc281_2020-07-23_id1089_thm.jpg) Nebula NGC 281 in Elemental Colors |
![](/img/m8_2006-11-14_id1170_thm.jpg) The Lagoon Nebula in Elemental Colors | ![](/img/rho_ophiucus_2020-07-19_id1202_thm.jpg) The Rho Ophiucus Nebula Complex | ![](/img/ic5067_2005-08-03_id1013_thm.jpg) Mountains in the Mist (Color) | ![](/composite/images/sunmoon_2003-05-23_thumb.jpg) The Sun and the Moon |
![](/solar_system/moon/images/aristarchus_thumb.jpg) The Aristarchus Plateau | ![](/img/m33_nebulae_2021-02-13_id1235_thm.jpg) The Nebulas of Spiral Galaxy M33 | ![](/img/abell194_2006-03-12_id1157_thm.jpg) Galaxy Cluster Abell 194 | ![](/img/ic410,ngc1893_2006-03-13_id1159_thm.jpg) The Tadpole Nebula |
![](/img/ngc7331_2005-09-08_id1004_thm.jpg) Spiral Galaxy NGC 7331 | ![](/img/m42_2004-01-19_thumb.jpg) The Great Orion Nebula in Hydrogen-alpha | ![](/img/m27_2020-06-23_id1063_thm.jpg) The Dumbbell Nebula | ![](/img/veil_hso_2020-11-30_id1212_thm.jpg) The Veil Nebula Complex in Elemental Colors |
![](/img/ngc7023_2020-06-23_id1087_thm.jpg) The Iris Nebula | ![](/img/c2020_f3_neowise_2020-07-16_id1199_thm.jpg) Comet C/2020 F3 NEOWISE | ![](/solar_system/venus/images/Venus_2004-05-06_thumb.jpg) Venus 6 May 2004 | ![](/img/ngc2244_2004-03-17_thumb.jpg) The Rosette Nebula in Elemental Colors |
![](/img/m104_2003-04-27_thumb.jpg) Spiral Galaxy M104 | ![](/img/m66_2020-05-30_id1189_thm.jpg) Spiral Galaxy M66 | ![](/img/veil_map_2020-05-12_id1190_thm.jpg) The Veil Nebula Complex in Elemental Colors | ![](/img/ngc2903_2008-05-04_id1180_thm.jpg) Barred Spiral Galaxy NGCÂ 2903 |
![](/img/veil_2004-07-13_thumb.jpg) The Veil Nebula Complex in Hydrogen-alpha | ![](/img/m78_2020-07-23_id1024_thm.jpg) Reflection Nebula M78 | ![](/img/m106_2005-04-27_thumb.jpg) Spiral Galaxy M106 | ![](/solar_system/moon/images/clavius_thumb.jpg) Crater Clavius |
![](/img/m13_2020-05-19_id1193_thm.jpg) The Great Hercules Globular Cluster | ![](/img/m42_2003-12-13_thumb.jpg) The Great Orion Nebula | ![](/img/ngc5033_2008-06-07_id1187_thm.jpg) Spiral Galaxy NGC 5033 | ![](/img/abell426_2020-07-23_id1156_thm.jpg) The Perseus Galaxy Cluster |
![](/img/abell2151_2020-07-23_id1166_thm.jpg) The Hercules Galaxy Cluster | ![](/solar_system/mars/images/moon_mars_2003-07-17_thumb.jpg) The Moon and Mars 17 July 2003 | ![](/img/medusa_2021-02-09_id1233_thm.jpg) The Medusa Nebula | ![](/img/pk164plus31p1_2006-04-20_id1163_thm.jpg) Planetary Nebula Jones-Emberson 1 (PK 164+31.1) |
![](/img/orion_hydrogen_2021-01-27_id1230_thm.jpg) The Hydrogen of Orion | ![](/img/m17_2003-07-29_thumb.jpg) The Swan Nebula in Elemental Colors | ![](/img/m16_2006-03-15_id1161_thm.jpg) The Eagle Nebula | ![](/img/moon_2004-10-27_montage_thumb.jpg) October 2004 Total Lunar Eclipse |
![](/img/orion_2021-01-23_id1227_thm.jpg) The Belt and the Sword | ![](/img/m16_m17_ha_2004-06-18_thumb.jpg) The Eagle and Swan Nebulas in Hydrogen-alpha | ![](/img/m44_2003-01-25_thumb.jpg) The Beehive Cluster (M44) | ![](/solar_system/moon/images/moon_2003-05-04_thumb.jpg) 22% Waxing Moon |
![](/img/m101_2004-05-18_thumb.jpg) Spiral Galaxy M101 | ![](/solar_system/jupiter/images/Jupiter_2004-05-020003_rcol11_small.jpg) Jupiter 2 May 2004 | ![](/img/shark_nebula_2020-09-26_id1208_thm.jpg) The Shark Nebula | ![](/solar_system/sun/images/sun_west_2003-05-30_thumb.jpg) The Sun in Hydrogen-alpha 30 May 2003 |
![](/img/m31_2020-08-25_id1204_thm.jpg) The Andromeda Galaxy | ![](/img/m8_m20_m21_2004-05-22_thumb.jpg) The Lagoon and Trifid Nebula Region | ![](/img/m16_m17_mapped_2004-06-18_thumb.jpg) The Eagle and Swan Nebulas in Elemental Colors | ![](/img/m82_2005-02-03_thumb.jpg) Chaotic Galaxy M82 |
![](/img/ngc7635_harrgb_2003-10-28_thumb.jpg) The Bubble Nebula | ![](/img/m45_2020-11-12_id1216_thm.jpg) The Pleiades – Close Up | ![](/img/abell1656_2006-05-25_id1164_thm.jpg) The Coma Galaxy Cluster | ![](/img/butterfly_crescent_nm_2020-08-28_id1206_thm.jpg) The Butterfly and Crescent Nebulas – Elemental Colors |
![](/img/simeis147_2021-01-01_id1224_thm.jpg) Supernova Remnant Simeis 147 | ![](/img/m77_2020-06-24_id1181_thm.jpg) Spiral Galaxy M77 | ![](/img/heart_soul_enc_2020-09-30_id1210_thm.jpg) The Heart and Soul Nebulas | ![](/img/ngc1333_2020-01-08_id1225_thm.jpg) Stellar Nursery NGC 1333 |
![](/img/ngc2392_2002-01-06_thumb.jpg) The Eskimo Nebula | ![](/img/ic443_2007-04-22_id1179_thm.jpg) Supernova Remnant ICÂ 443 | ![](/img/ngc7000_region_2020-07-21_id1203_thm.jpg) The North America Nebula Region in Elemental Colors | ![](/img/ic1396_2020-08-30_id1205_thm.jpg) IC 1396 and the Elephant's Trunk Nebula in Elemental Colors |
![](/img/heart_soul_nb_2020-10-01_id1211_thm.jpg) The Heart and Soul Nebulas in Elemental Color | ![](/img/m17_2003-06-17_thumb.jpg) The Swan Nebula in Hydrogen-alpha | ![](/img/ngc2170_2020-05-17_id1191_thm.jpg) Nebula NGC 2170 | ![](/img/double_cluster_2020-12-12_id1223_thm.jpg) The Double Cluster |
![](/img/ic5067_clear_2005-08-03_thumb.jpg) Mountains in the Mist (B/W) | ![](/img/california_nb_2020-11-17_id1218_thm.jpg) The California Nebula in Elemental Colors | ![](/img/m64_2003-05-02_thumb.jpg) The Black Eye Galaxy | ![](/wide/images/m65_66_2003-03-29_thumb.jpg) Galaxies M65, M66 and NGC 3628 |
![](/img/ngc6366_2008-05-14_id1183_thm.jpg) Globular Cluster NGCÂ 6366 | ![](/img/ic1396a_2005-08-26_id1002_thm.jpg) The Elephant's Trunk Nebula | ![](/img/ngc6520_2003-04-29_thumb.jpg) NGC 6520 and Barnard 86 | ![](/img/m33_2021-01-15_id1226_thm.jpg) The Triangulum Galaxy |
![](/img/ngc1977_2003-12-19_thumb.jpg) Reflection Nebula NGC 1977 | ![](/img/antennae_2005-04-30_thumb.jpg) The Antennae | ![](/img/ngc2264_2005-01-12_thumb.jpg) The Cone Nebula | ![](/img/m8_2006-07-18_id1167_thm.jpg) The Lagoon Nebula |
![](/wide/images/m81_82_2003-03-29_thumb.jpg) Galaxies M81, M82 and NGC 3077 | ![](/solar_system/moon/images/plato_alpes_thumb.jpg) Crater Plato & The Alpes Range | ![](/solar_system/mars/images/mars_2003-08-28_thumb.jpg) Mars 28 August 2003 | ![](/img/m100_2003-04-28_thumb.jpg) Spiral Galaxy M100 |
![](/img/m11_2003-09-03_thumb.jpg) The Wild Duck Cluster (M11) | ![](/img/ic434_thumb.jpg) Horse Head and Flame Nebulae | ![](/img/ngc4565_2006-04-19_id1162_thm.jpg) Spiral Galaxy NGC 4565 | ![](/img/m57_2003-04-27_thumb.jpg) The Ring Nebula |
![](/img/butterfly_crescent_enc_2020-08-28_id1207_thm.jpg) The Butterfly and Crescent Nebulas – Natural Color | ![](/img/ngc2403_2021-02-06_id1232_thm.jpg) Spiral Galaxy NGC 2403 | ![](/img/crescent_2020-09-24_id1209_thm.jpg) The Crescent Nebula | ![](/img/m74_2006-03-12_id1158_thm.jpg) Spiral Galaxy M74 |
![](/img/m1_2020-07-02_id1197_thm.jpg) Multispectral Crab Nebula | ![](/img/melotte15_2020-11-16_id1217_thm.jpg) Melotte 15 and the Heart of the Heart Nebula | ![](/img/m46_2003-02-27_thumb.jpg) Open Cluster M46 and Planetary Nebula NGC 2438 | ![](/img/ngc253_2002-10-29_thumb.jpg) Spiral Galaxy NGC 253 |
![](/solar_system/moon/images/moon_jupiter_thumb.jpg) The Moon and Jupiter over Austin | ![](/img/m78_2020-11-24_id1220_thm.jpg) M78 Stellar Nursery Complex | ![](/img/ngc2244_2003-01-02_thumb.jpg) Dust in the Rosette Nebula | ![](/img/ngc891_2003-11-21_thumb.jpg) Spiral Galaxy NGC 891 |
![](/img/ngc6888_enc_2003-09-08_thumb.jpg) The Crescent Nebula | ![](/solar_system/mars/images/mars_2003-07-18_thumb.jpg) Mars 18 July 2003 | ![](/img/m1_anim_2021-01-24_id1229_thm.gif) The Expansion of the Crab Nebula (2003-2020) | ![](/solar_system/sun/images/sun_2003-05-28_thumb.jpg) The Sun in Hydrogen-alpha 28 May 2003 |
![](/img/ic5146_2020-06-24_id1001_thm.jpg) The Cocoon Nebula | ![](/img/nam_peil_map_2004-07-24_thumb.jpg) NGC 7000 and IC 5070 in Elemental Colors | ![](/img/m63_2004-03-30_thumb.jpg) The Sunflower Galaxy | ![](/img/m20_2004-05-21_thumb.jpg) The Trifid Nebula |
![](/img/ic405_2005-12-03_id1155_thm.jpg) The Flaming Star Nebula | ![](/img/m1_2021-01-24_id1228_thm.jpg) The Crab Nebula | ![](/img/m16_2003-05-29_thumb.jpg) The Eagle Nebula in Hydrogen-alpha | ![](/solar_system/mars/images/mars_2003-06-18_thumb.jpg) Mars 18 June 2003 |
![](/img/m5_2003-06-23_thumb.jpg) Globular Cluster M5 | ![](/img/m10_2003-07-14_thumb.jpg) Globular Cluster M10 | ![](/img/m65_thumb.jpg) Spiral Galaxy M65 | ![](/img/vdb152_2020-05-15_id1194_thm.jpg) van den Bergh 152/Cederblad 201 |
![](/img/ngc2841_2003-01-31_thumb.jpg) Spiral Galaxy NGC 2841 | ![](/img/ngc2264_2003-01-23_thumb.jpg) The Cone and Fox Fur Nebula Region in Hydrogen-alpha | ![](/solar_system/mars/images/mars_2003-07-14_thumb.jpg) Mars 14 July 2003 | ![](/img/ngc2419_2005-04-05_thumb.jpg) The Intergalatic Wanderer |
![](/solar_system/moon/images/moon_2003-01-17_thumb.jpg) The Full Moon | ![](/img/m27_2003-06-30_thumb.jpg) The Dumbbell Nebula | ![](/solar_system/moon/images/schickard_thumb.jpg) Shickard/Schiller Area | ![](/solar_system/moon/images/humorum_thumb.jpg) Mare Humorum |
![](/img/ic434_ha_thumb.jpg) Horsehead and Flame Nebulae in Hydrogen-alpha | ![](/img/ngc2359_2002-11-20_thumb.jpg) Thor's Helmet in Hydrogen-alpha | ![](/img/m17_2003-08-14_enhanced_thumb.jpg) The Swan Nebula | ![](/img/m12_2003-07-22_thumb.jpg) Globular Cluster M12 |
![](/solar_system/sun/images/sun_2003-07-12_thumb.jpg) The Sun in Hydrogen-alpha 12 July 2003 | ![](/img/c2020_f3_neowise_2020-07-17_2020-07-17_id1201_thm.jpg) Comet C/2020 F3 NEOWISE | ![](/img/m2_2003-09-30_thumb.jpg) Globular Cluster M2 | ![](/img/ngc869_884_2003-12-16_thumb.jpg) The Double Cluster in Perseus |
![](/img/ngc2244_2003-01-21_ha_thumb.jpg) The Rosette Nebula in Hydrogen-alpha | ![](/img/ic5146_ha_2004-10-11_thumb.jpg) The Cocoon Nebula (in Hydrogen-alpha) | ![](/img/m76_2003-01-24_thumb.jpg) The Little Dumbbell Nebula | ![](/solar_system/sun/images/sun_2003-05-19_thumb.jpg) The Sun in Hydrogen-alpha 19 May 2003 |
![](/solar_system/sun/images/sun_2003-06-05_thumb.jpg) The Sun in Hydrogen-alpha 5 June 2003 | ![](/img/m3_2003-06-25_thumb.jpg) Globular Cluster M3 | ![](/solar_system/moon/images/apenninus_thumb.jpg) Crater Archimedes and The Apenninus Range | ![](/img/omega_cent_2003-03-29_thumb.jpg) Globular Cluster Omega Centauri |
![](/solar_system/sun/images/ar380_2003-06-09_thumb.jpg) Active Region 380 9 June 2003 | ![](/solar_system/sun/images/sun_flare_2003-05-27_thumb.jpg) X-Class Solar Flare: 27 May 2003 | ![](/solar_system/sun/images/ar375_2003-06-08_thumb.jpg) Active Region 375 8 June 2003 | ![](/solar_system/moon/images/earthshine_thumb.jpg) Earthshine |
![](/solar_system/sun/images/sun_2003-05-19_thumb.jpg) The Sun in Hydrogen-alpha 23 May 2003 | ![](/img/lichtenberg_2020-06-20_id1196_thm.jpg) Lichtenberg Figure – Frozen Lightning | ![](/img/ngc6888_ha_2003-09-08_thumb.jpg) The Crescent Nebula in Hydrogen-alpha | ![](/img/m53_2004-06-18_thumb.jpg) Globular Cluster M53 |
![](/img/m15_2003-08-25_thumb.jpg) Globular Cluster M15 | ![](/solar_system/sun/images/ar375_2003-06-09_thumb.jpg) Active Regions 375 and 377 9 June 2003 | ![](/img/m27_ha_2003-07-14_thumb.jpg) The Dumbbell Nebula in Hydrogen-alpha | ![](/img/m72_2003-08-22_thumb.jpg) Globular Cluster M72 |
![](/img/m92_2003-06-30_thumb.jpg) Globular Cluster M92 | ![](/img/m37_2003-02-09_thumb.jpg) Open Cluster M37 | ![](/img/m27_false_2003-08-03_thumb.jpg) The Dumbbell Nebula in Elemental Colors | ![](/solar_system/moon/images/moon1_19May02_thumb.jpg) Craters near Mare Nubium |
![](/img/ngc2244_2003-02-10_thumb.jpg) Dust Clouds in the Rosette Nebula | ![](/solar_system/moon/images/kepler_thumb.jpg) Crater Kepler | ![](/solar_system/moon/images/moon_2002-12-11_thumb.jpg) 55% Waxing Moon | ![](/img/pal2_2003-11-19_thumb.jpg) Globular Cluster Palomar 2 |
![](/solar_system/moon/images/tycho_thumb.jpg) Crater Tycho and Rays | ![](/solar_system/moon/images/moon_2002-08-16_thumb.jpg) 68% Waxing Moon | ![](/solar_system/moon/images/moon_2002-08-17_thumb.jpg) 77% Waxing Gibbous Moon | ![](/solar_system/moon/images/iridium_herschel_thumb.jpg) Sinus Iridum and Crater Herschel |
![](/solar_system/moon/images/moon2_19May02_thumb.jpg) Mares Imbrium and Frigoris | ![](/solar_system/sun/images/sun_2003-05-14_thumb.jpg) The Sun in Hydrogen-alpha 14 May 2003 |