Astronomy

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Messier's Catalogue of Deepsky Objects

The table below shows my observing logs for objects I've observed from the Messier Catalogue.

Number Constellation Magnitude Type Season Reports
M1 Tau 8 Supernova remnant Winter
M2 Aqr 6 Globular Cluster Autumn
M3 CVn 6 Globular Cluster Spring
M4 Sco 5 Globular Cluster Summer
M5 Se1 5 Globular Cluster Spring
M6 Sco 4 Open Cluster Summer
M7 Sco 3 Open Cluster Summer
M8 Sgr 5 Emission Nebula Summer
M9 Oph 7 Globular Cluster Summer
M10 Oph 6 Globular Cluster Summer
M11 Sct 5 Open Cluster Summer
M12 Oph 6 Globular Cluster Summer
M13 Her 5 Globular Cluster Summer
M14 Oph 7 Globular Cluster Summer
M15 Peg 6 Globular Cluster Autumn
M16 Se2 6 Emission Nebula Summer
M17 Sgr 6 Emission Nebula Summer
M18 Sgr 6 Open Cluster Summer
M19 Oph 7 Globular Cluster Summer
M20 Sgr 6 Emission Nebula Summer
M21 Sgr 5 Open Cluster Summer
M22 Sgr 5 Globular Cluster Summer
M23 Sgr 5 Open Cluster Summer
M24 Sgr 11 Open Cluster Summer
M25 Sgr 4 Open Cluster Summer
M26 Sct 8 Open Cluster Summer
M27 Vul 8 Planetary Nebula Summer
M28 Sgr 6 Globular Cluster Summer
M29 Cyg 6 Open Cluster Summer
M30 Cap 7 Globular Cluster Autumn
M31 And 3 Galaxy Autumn
M32 And 8 Galaxy Autumn
M33 Tri 5 Galaxy Autumn
M34 Per 5 Open Cluster Autumn
M35 Gem 5 Open Cluster Winter
M36 Aur 6 Open Cluster Winter
M37 Aur 5 Open Cluster Winter
M38 Aur 6 Open Cluster Winter
M39 Cyg 4 Open Cluster Autumn
M40 9 Double star Spring
M41 CMa 4 Open Cluster Winter
M42 Ori 4 Emission Nebula Winter
M43 Ori 9 Reflection Nebula Winter
M44 Cnc 3 Open Cluster Spring
M45 1 Open Cluster Winter
M46 Pup 6 Open Cluster Winter
M47 Pup 4 Open Cluster Winter
M48 Hya 5 Open Cluster Winter
M49 Vir 8 Galaxy Spring
M50 Mon 5 Open Cluster Winter
M51 CVn 8 Galaxy Spring
M52 Cas 6 Open Cluster Autumn
M53 Com 7 Globular Cluster Spring
M54 Sgr 7 Globular Cluster Summer
M55 Sgr 7 Globular Cluster Summer
M56 Lyr 8 Globular Cluster Summer
M57 Lyr 9 Planetary Nebula Summer
M58 Vir 9 Galaxy Spring
M59 Vir 9 Galaxy Spring
M60 Vir 8 Galaxy Spring
M61 Vir 9 Galaxy Spring
M62 Oph 6 Globular Cluster Summer
M63 CVn 8 Galaxy Spring
M64 Com 8 Galaxy Spring
M65 Leo 9 Galaxy Spring
M66 Leo 9 Galaxy Spring
M67 Cnc 6 Open Cluster Spring
M68 Hya 8 Globular Cluster Spring
M69 Sgr 7 Globular Cluster Summer
M70 Sgr 8 Globular Cluster Summer
M71 Sge 8 Globular Cluster Summer
M72 Aqr 9 Globular Cluster Autumn
M73 Aqr 9 Open Cluster Autumn
M74 Psc 9 Galaxy Autumn
M75 Sgr 8 Globular Cluster Summer
M76 Per 10 Planetary Nebula Autumn
M77 Cet 8 Galaxy Autumn
M78 Ori 8 Reflection Nebula Winter
M79 Lep 8 Globular Cluster Winter
M80 Sco 7 Globular Cluster Summer
M81 UMa 6 Galaxy Spring
M82 UMa 8 Galaxy Spring
M83 Hya 7 Galaxy Spring
M84 Vir 9 Galaxy Spring
M85 Com 9 Galaxy Spring
M86 Vir 9 Galaxy Spring
M87 Vir 8 Galaxy Spring
M88 Com 9 Galaxy Spring
M89 Vir 9 Galaxy Spring
M90 Vir 9 Galaxy Spring
M91 Com 10 Galaxy Spring
M92 Her 6 Globular Cluster Summer
M93 Pup 6 Open Cluster Winter
M94 CVn 8 Galaxy Spring
M95 Leo 9 Galaxy Spring
M96 Leo 9 Galaxy Spring
M97 UMa 11 Planetary Nebula Spring
M98 Com 10 Galaxy Spring
M99 Com 9 Galaxy Spring
M100 Com 9 Galaxy Spring
M101 UMa 7 Galaxy Spring
M102 10 Galaxy Spring
M103 Cas 7 Open Cluster Autumn
M104 Crv 8 Galaxy Spring
M105 Leo 9 Galaxy Spring
M106 CVn 8 Galaxy Spring
M107 Oph 8 Globular Cluster Summer
M108 UMa 10 Galaxy Spring
M109 UMa 9 Galaxy Autumn
M110 And 8 Galaxy Autumn

Caldwell's Catalogue of Deepsky Objects

Number Name Constellation Magnitude Type Season Reports
C1 - Cep 8.1 Oc autumn
C2 Bow Tie Nebula Cep 11.6 Pl autumn
C3 - Dra 9.7 Sb spring
C4 Iris Nebula Cep 6.8 Bn autumn
C5 - Cam 9.2 Sp winter
C6 Cat's Eye Nebula Dra 8.8 Pl summer
C7 - Cam 8.9 Sp winter
C8 - Cas 9.5 Oc autumn
C9 Cave Nebula Cep 7.7 Bn autumn
C10 - Cas 7.1 Oc autumn
C11 Bubble nebula Cas 7.0 Bn autumn
C12 - Cep 9.7 Sp summer
C13 Owl or E.T. Cluster Cas 6.4 Oc autumn
C14 Double Cluster, h & chi Persei Per 4.3 Oc autumn
C15 Blinking Planetary Cyg 9.8 Pl summer
C16 - Lac 6.4 Oc autumn
C17 - Cas 9.3 El autumn
C18 - Cas 9.2 El autumn
C19 Cocoon Nebula Cyg 10.0 Bn autumn
C20 North America Nebula Cyg 6.0 Bn summer
C21 - CVn 9.4 Ir spring
C22 Blue Snowball And 9.2 Pl autumn
C23 - And 9.9 Sb autumn
C24 Perseus A Per 11.6 Sx winter
C25 - Lyn 10.4 Gc winter
C26 - CVn 10.6 Sp spring
C27 Crescent Nebula Cyg 7.5 Bn summer
C28 - And 5.7 Oc autumn
C29 - CVn 9.8 Sb spring
C30 - Peg 9.5 Sb autumn
C31 Flaming Star Nebula Aur 6.0 Bn winter
C32 Whale Galaxy CVn 9.3 Sp spring
C33 East Veil Nebula Cyg - Sn summer
C34 West Veil Nebula Cyg - Sn summer
C35 - Com 11.4 El spring
C36 - Com 9.8 Sp spring
C37 - Vul 5.7 Oc summer
C38 Needle Galaxy Com 9.6 Sb spring
C39 Eskimo or Clown Nebula Gem 9.9 Pl winter
C40 - Leo 10.9 Sb spring
C41 Hyades Tau 1.0 Oc winter
C42 - Del 10.6 Gc autumn
C43 - Peg 10.5 Sb autumn
C44 - Peg 11.0 Sb autumn
C45 - Boo 10.2 Sp spring
C46 Hubble's Variable Nebula Mon 10.0 Bn winter
C47 - Del 8.9 Gc summer
C48 - Can 10.3 Sp spring
C49 Rosette Nebula Mon - Bn winter
C50 - Mon 4.8 Oc winter
C51 - Cet 9.0 Ir autumn
C52 - Vir 9.3 El spring
C53 Spindle Galaxy Sex 9.1 El spring
C54 - Mon 7.6 Oc winter
C55 Saturn Nebula Aqr 8.3 Pl autumn
C56 - Cet 8.0 Pl autumn
C57 Barnard's Galaxy Sgr 9.3 Ir summer
C58 - CMa 7.2 Oc winter
C59 Ghost of Jupiter Hya 8.6 Pl spring
C60 Antennae Galaxies Crv 11.3 Sp spring
C61 Antennae Galaxies Crv 13.0 Sp spring
C62 - Cet 8.9 Sp autumn
C63 Helix Nebula Aqr 6.5 Pl autumn
C64 - CMa 4.1 Oc winter
C65 Sculptor Galaxy Scl 7.1 Sp autumn
C66 - Hya 10.2 Gc spring
C67 - For 9.2 Sb autumn
C68 - CrA 9.7 Bn summer
C69 Bug Nebula Sco 12.8 Pl summer
C70 - Scl 8.1 Sp autumn
C71 - Pup 5.8 Oc winter
C72 - Scl 8.2 Sb autumn
C73 - Col 7.3 Gc winter
C74 Eight Burst Nebula Vel 8.2 Pl spring
C75 - Sco 5.8 Oc summer
C76 - Sco 2.6 Oc summer
C77 Centaurus A Cen 7.0 Px spring
C78 - CrA 6.6 Gc summer
C79 - Vel 6.7 Gc spring
C80 Omega Centauri Cen 3.6 Gc spring
C81 - Ara 8.1 Gc summer
C82 - Ara 5.2 Oc summer
C83 - Cen 9.5 Sp spring
C84 - Cen 7.6 Gc spring
C85 Omicron Vel Cluster Vel 2.5 Oc winter
C86 - Ara 5.6 Gc summer
C87 - Hor 8.4 Gc winter
C88 - Cir 7.9 Oc summer
C89 S Norma Cluster Nor 5.4 Oc summer
C90 - Car 9.7 Pl spring
C91 - Car 3.0 Oc spring
C92 Eta Carinae Nebula Car 6.2 Bn spring
C93 - Pav 5.4 Gc summer
C94 Jewel Box Cru 4.2 Oc spring
C95 - TrA 5.1 Oc summer
C96 - Car 3.8 Oc winter
C97 - Cen 5.3 Oc spring
C98 - Cru 6.9 Oc spring
C99 Coalsack Nebula Cru - Dn spring
C100 Lambda Centauri Nebula Cen 4.5 Oc spring
C101 - Pav 9.0 Sb summer
C102 Theta Car Cluster Car 1.9 Oc spring
C103 Tarantula Nebula Dor 1.0 Bn winter
C104 - Tuc 6.6 Gc autumn
C105 - Mus 7.3 Gc spring
C106 47 Tucanae Tuc 4.0 Gc autumn
C107 - Aps 9.3 Gc summer
C108 - Mus 7.8 Gc spring
C109 - Cha 11.6 Pl spring

L100 Catalogue of Interesting Lunar Features

The table below shows my observing logs for targets I've observed from the L100 list of interesting Lunar targets compiled by Charles Wood and published in Sky & Telescope magazine.

Number Name Significance Latitude Longitude Reports
L1 Moon Large satellite — —
L2 Earthshine Twice reflected sunlight — —
L3 Mare/highland dichotomy Two materials with distinct compositions — —
L4 Apennines Imbrium basin rim 18.9N 3.7W
L5 Copernicus Archetypal large complex crater 9.7N 20.1W
L6 Tycho Large rayed crater with impact melts 43.4S 11.1W
L7 Altai Scarp Nectaris basin rim 24.3S 22.6E
L8 Theophilus, Cyrillus, Catharina Crater sequence illustrating stages of degradation 13.2S 24.0E
L9 Clavius Lacks basin features in spite of its size 58.8S 14.1W
L10 Mare Crisium Mare contained in large circular basin 18.0N 59.0E
L11 Aristarchus Very bright crater with dark bands on its walls 23.7N 47.4W
L12 Proclus Oblique-impact rays 16.1N 46.8E
L13 Gassendi Floor-fractured crater 17.6S 40.1W
L14 Sinus Iridum Very large crater with missing rim 45.0N 32.0W
L15 Straight Wall Best example of a lunar fault 21.8S 7.8W
L16 Petavius Crater with domed & fractured floor 25.1S 60.4E
L17 Schröter's Valley Giant sinuous rille 26.2N 50.8W
L18 Mare Serenitatis dark edges Distinct mare areas with different compositions 17.8N 23.0E
L19 Alpine Valley Lunar graben 49.0N 3.0E
L20 Posidonius Floor-fractured crater 31.8N 29.9E
L21 Fracastorius Crater with subsided & fractured floor 21.5S 33.2E
L22 Aristarchus Plateau Mysterious uplifted region mantled with pyroclastics 26.0N 51.0W
L23 Pico Isolated Imbrium basin-ring fragment 45.7N 8.9W
L24 Hyginus Rille Rille containing rimless collapse pits 7.4N 7.8E
L25 Messier & Messier A Oblique ricochet-impact pair 1.9S 47.6E
L26 Mare Frigoris Arcuate mare of uncertain origin 56.0N 1.4E
L27 Archimedes Large crater lacking central peak 29.7N 4.0W
L28 Hipparchus First drawing of a single crater 5.5S 4.8E
L29 Aridaeus Rille Long, linear graben 6.4N 14.0E
L30 Schiller Possible oblique impact 51.9S 39.0W
L31 Taruntius Young floor-fractured crater 5.6N 46.5E
L32 Arago Alpha & Beta Volcanic domes 6.2N 21.4E
L33 Serpentine Ridge Basin inner-ring segment 27.3N 25.3E
L34 Lacus Mortis Strange crater with rille & ridge 45.0N 27.2E
L35 Triesnecker Rilles Rille family 4.3N 4.6E
L36 Grimaldi basin A small two-ring basin 5.5S 68.3W
L37 Bailly Barely discernible basin 66.5S 69.1W
L38 Sabine & Ritter Possible twin impacts 1.7N 19.7E
L39 Schickard Crater floor with Orientale basin ejecta stripe 44.3S 55.3W
L40 Janssen Rille Rare example of a highland rille 45.4S 39.3E
L41 Bessel ray Ray of uncertain origin near Bessel 21.8N 17.9E
L42 Marius Hills Complex of volcanic domes & hills 12.5N 54.0W
L43 Wargentin A crater filled to the rim with lava or ejecta 49.6S 60.2W
L44 Mersenius Domed floor cut by secondary craters 21.5S 49.2W
L45 Maurolycus Region of saturation cratering 42.0S 14.0E
L46 Regiomontanus central peak Possible volcanic peak 28.0S 0.6W
L47 Alphonsus dark spots Dark-halo eruptions on crater floor 13.7S 3.2W
L48 Cauchy region Fault, rilles, & domes 10.5N 38.0E
L49 Gruithuisen Delta & Gamma Volcanic domes formed with viscous lavas 36.3N 40.0W
L50 Cayley Plains Light, smooth plains of uncertain origin 4.0N 15.1E
L51 Davy crater chain Result of comet-fragment impacts 11.1S 6.6W
L52 Crüger Possible volcanic caldera 16.7S 66.8W
L53 Lamont Possible buried basin 4.4N 23.7E
L54 Hippalus Rilles Rilles concentric to Humorum basin 24.5S 29.0W
L55 Baco Unusually smooth crater floor & surrounding plains 51.0S 19.1E
L56 Australe basin A partially flooded ancient basin 49.8S 84.5E
L57 Reiner Gamma Conspicuous swirl & magnetic anomaly 7.7N 59.2W
L58 Rheita Valley Basin secondary-crater chain 42.5S 51.5E
L59 Schiller-Zucchius basin Badly degraded overlooked basin 56.0S 45.0W
L60 Kies Pi Volcanic dome 26.9S 24.2W
L61 Mösting A Simple crater close to center of lunar near side 3.2S 5.2W
L62 Rümker Large volcanic dome 40.8N 58.1W
L63 Imbrium sculpture Basin ejecta near & overlying Boscovich & Julius Caesar 11.0N 12.0E
L64 Descartes Apollo 16 landing site; putative region of highland volcanism 11.7S 15.7E
L65 Hortensius domes Dome field north of Hortensius 7.6N 27.9W
L66 Hadley Rille Lava channel near Apollo 15 landing site 25.0N 3.0E
L67 Fra Mauro formation Apollo 14 landing site on Imbrium ejecta 3.6S 17.5W
L68 Flamsteed P Proposed young volcanic crater & Surveyor 1 landing site 3.0S 44.0W
L69 Copernicus secondary craters Rays & craterlets near Pytheas 19.6N 19.1W
L70 Humboldtianum basin Multi-ring impact basin 57.0N 80.0E
L71 Sulpicius Gallus dark mantle Ash eruptions northwest of crater 19.6N 11.6E
L72 Atlas dark-halo craters Explosive volcanic pits on the floor of Atlas 46.7N 44.4E
L73 Smythii basin Difficult-to-observe basin scarp & mare 2.0S 87.0E
L74 Copernicus H Dark-halo impact crater 6.9N 18.3W
L75 Ptolemaeus B Saucerlike depression on the floor of Ptolemaeus 8.0S 0.8W
L76 W. Bond Large crater degraded by Imbrium ejecta 65.3N 3.7E
L77 Sirsalis Rille Procellarum basin radial rilles 15.7S 61.7W
L78 Lambert R A buried "ghost" crater 23.8N 20.6W
L79 Sinus Aestuum Eastern dark-mantle volcanic deposit 12.0N 3.5W
L80 Orientale basin Youngest large impact basin 19.0S 95.0W
L81 Hesiodus A Concentric crater 30.1S 17.0W
L82 Linné Small crater once thought to have disappeared 27.7N 11.8E
L83 Plato craterlets Crater pits at limits of detection 51.6N 9.4W
L84 Pitatus Crater with concentric rilles 29.8S 13.5W
L85 Langrenus rays Aged ray system 8.9S 60.9E
L86 Prinz Rilles Rille system near the crater Prinz 27.0N 43.0W
L87 Humboldt Crater with central peaks & dark spots 27.0S 80.9E
L88 Peary Difficult-to-observe polar crater 88.6N 33.0E
L89 Valentine Dome Volcanic dome 30.5N 10.1E
L90 Armstrong, Aldrin & Collins Small craters near the Apollo 11 landing site 1.3N 23.7E
L91 De Gasparis Rilles Area with many rilles 25.9S 50.7W
L92 Gylden Valley Part of the Imbrium radial sculpture 5.1S 0.7E
L93 Dionysius rays Unusual & rare dark rays 2.8N 17.3E
L94 Drygalski Large south-pole region crater 79.3S 84.9W
L95 Procellarum basin The Moon's biggest basin? 23.0N 15.0W
L96 Leibnitz Mountains Rim of South Pole-Aitken basin 85.0S 30.0E
L97 Inghirami Valley Orientale basin ejecta 44.0S 73.0W
L98 Imbrium lava flows Mare lava-flow boundaries 32.8N 22.0W
L99 Ina D-shaped young volcanic caldera 18.6N 5.3E
L100 Mare Marginis swirls Possible magnetic field deposits 18.5N 88.0E