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Observations Subject Index
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Observations Subject Index
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21P/Giacobini-Zinner
2I/Borisov
41P/Tuttle-Giacobini-Kresák
45P/Honda-Mrkos-Pajdušáková
46P/Wirtanen
48P/Johnson
Abell 2065
Abell Object
Achimedes
Albireo
Aldebaran
Alpes
Alpha Centauri
Alpine Valley
ANFSCD
Antares
Antennae NGC 4038 and 4039
Apenninus
Archimedes
Aristoteles
Asterism
Asteroid
Auriga region
Aurora
B33 Horsehead Nebula
Barnard object
Betelgeuse
binary
C/2013 US10 (Catalina)
C/2017 T2 PanStarrs
C/2019 Y4 (ATLAS)
C/2020 F3 (NEOWISE)
C/2020 F8 (SWAN)
C/2021A1 (Leonard)
C4 Iris Nebula
C41 Hyades cluster
C49 Rosette nebula
C6 Cat's Eye nebula
C80 Omega Centauri globular cluster
Caldwell object
Callisto
Carpatas
Castor
Catharina
Caucasus
Ceres
Christmas Tree
Clavius
Coathanger
Cognitum
Coma Berenices cluster
Comet
composite
conjunction
Copernicus
corona
crater
Crisium
Cygnus region
dark
dome
Draconid
Earthshine
Europa
Event
Fox Fur
Frigoris
Galaxy - other
Galaxy group
Galilean moons
Ganymede
Gassendi
Geigenschein
Gemini region
Geminid
Globular cluster- other
Great Rift
Hadley
Halos, sundogs, coronae or pillars
HCC 44
HCC 50
Hickson Compact Cluster
Humorum
Hygenus
IC 1396 Elephant's Trunk Nebula
IC 1795 Fishhead Nebula
IC 1805 Heart Nebula
IC 2118 Witch's Head Nebula
IC 3355 galaxy
IC 405 Flaming Star Nebula
IC 410 Tadpole Nebula
IC 434 emission nebula behind the Horsehead nebula
IC 443 Jellyfish Nebula
IC 5070 North America Nebula
IC 5146 Cocoon Nebula
IC object
Image Composition
Imbrium
Interacting
Io
Juno
Jupiter
landing site
Lansberg
Leo 1 dwarf galaxy
Leo Triplet
libration
lunar eclipse
M1 Crab nebula
M100 galaxy
M101 Pinwheel galaxy
M102 galaxy
M104 galaxy
M105 galaxy
M106 galaxy
M108 galaxy
M109 galaxy
M11 Wild Duck cluster
M110 galaxy
M13 globular cluster
M15 globular cluster
M16 Eagle nebula
M17 Omega or Swan nebula
M20 Trifid nebula
M21 cluster
M24 cluster
M25 cluster
M27 Dumbbell nebula
M3 globular cluster
M31 Andromeda galaxy
M33 Triangulum galaxy
M35 cluster
M36 cluster
M38 cluster
M4 globular cluster
M40 "curiosity" or unusual objects, a double star
M41 open cluster
M42 Orion nebula
M43 nebula
M44 Beehive cluster
M45 Pleiades cluster
M46 open cluster
M47 cluster
M51 Whirlpool galaxy
M52 cluster (The Scorpion)
M55 globular cluster
M56 globular cluster
M57 Ring nebula
M58 galaxy
M6 Butterfly nebula
M61 galaxy
M62 globular cluster
M63 Sunflower galaxy
M64 Blackeye galaxy
M65 galaxy
M66 galaxy
M67 cluster
M71 globular cluster
M74 galaxy
M74 Phantom galaxy
M76 Little Dumbbell nebula
M77 barred spiral
M78 nebula
M8 Lagoon Nebula
M81 galaxy
M82 Cigar Galaxy
M85 galaxy
M86 galaxy
M87 galaxy
M90 galaxy
M91 galaxy
M94 galaxy
M95 galaxy
M96 galaxy
M97 Owl Nebula
M98 galaxy
M99 galaxy
Mare
Markarian's Chain
Mars
Mercury
Messier Object
Meteor
Milky Way
montage
Montes
Moon
Moonset/Moonrise
Nebula - other
Neptune
NGC 1499 California Nebula
NGC 1848 Soul Nebula
NGC 1973 (part of the "Running Man")
NGC 1975 (part of the "Running Man")
NGC 1977 (part of the "Running Man")
NGC 2023 emission nebula behind the Horsehead nebula
NGC 2024 Flame nebula
NGC 2068 nebula
NGC 2174 Monkey Head nebula
NGC 2237 Satellite cluster
NGC 2244 Rosette nebula
NGC 2264 Cone nebula
NGC 2392 Eskimo nebula
NGC 2682 cluster
NGC 281 Pacman Nebula
NGC 3079 galaxy
NGC 3344 galaxy
NGC 3384 galaxy
NGC 3389 galaxy
NGC 4038 and 4039 Antennae Galaxies
NGC 4312 galaxy
NGC 4321 galaxy
NGC 4394
NGC 4435 one of The Eyes pair interacting with NGC 4438
NGC 4438 one of The Eyes pair interacting with NGC 4435
NGC 4565
NGC 4567 and NGC 4568 Butterfly Galaxies
NGC 457 Owl cluster
NGC 4631 Whale galaxy
NGC 4736
NGC 5139 Omega Centauri
NGC 5529
NGC 604 Triangulum Galaxy
NGC 6334 Cat's or Bear's Paw Nebula
NGC 6543 Cat's Eye nebula
NGC 6618 Omega or Swan nebula
NGC 6826 Blinking nebula
NGC 6888 Crescent nebula
NGC 6946 Fireworks Galaxy
NGC 6960 Witch's Broom Nebula
NGC 6990 western Veil Nebula
NGC 6992 eastern Veil Nebula
NGC 7000 North America Nebula
NGC 7023 Iris Nebula
NGC 7293 Helix Nebula
NGC 7331 galaxy
NGC 7380 Wizard Nebula
NGC 7635 Bubble Nebula
NGC 7662 Blue Bubble Nebula
NGC 7822 star-forming region
NGC 869 - one of the Double Clusters
NGC 884 - one of the Double Clusters
NGC 891 Silver Sliver Galaxy
NGC object
nova
occultation
optical double
Orion region
other
Pallas
Palomar object
Pelican
Perseid
Perseus region
PGC object
Pitatus
PK189+ 7.1 (Mink 1-7)
plage
Planet
Plato
polar cap
polar hood
Polaris
Pollux
Procellarum
Procyon
prominence
Quadrantid
Reinhold
Rho Ophiuci
Rigel
Rille
robotic telescope
Running Man
Rupes
Rupes Altai
Rupes Recta
Sagittarius region
Saturn
Schroeter's
Serentatis
Sh 2-101 Tulip nebula
Sh 2-190 Heart Nebula
Sh 2-199 Soul Nebula
Sh 2-276 Barnard's Loop
Sh 2-277 Flame nebula
Sharpless Object
Sinus Iridum
Sirius
sketch
skyscape
SN2017dfc
solar eclipse
Spacecraft
Star
star trails
star trails
Stephan's Quintet
Sun
Sunset/Sunrise
sunspot
supernova
Syrtis Major
Taurid
Teapot
The Eyes NGC 4435 and NGC 4438
Theophilus
timelapse
Tranquilitatus
Trapezium
Tycho
UGC object
Uranus
Valles
variable
Veil
Venus
Vesta
Virgo cluster
Witch's Head
Zodiacal light
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July 2nd