Amateur Astronomy

Below you can find a current list of my amateur astronomy published on this website in English.
- Albireo (β Cyg)
- Aurora Borealis
- Bubble Nebula
- C∕2025 A6 (Lemmon) Comet
- C∕2020 F3 (NEOWISE) Comet
- C∕2022 E3 (ZTF) Comet
- C∕2023 A3 (Tsuchinshan–ATLAS) Comet
- C∕2025 R2 (SWAN) Comet
- California Nebula
- Circumzenithal arc
- Crescent Nebula
- Crystal Ball Nebula
- Cygnus on the Milky Way
- Cygnus X-1: A Black Hole and Its Companion
- Dragonfly Cluster
- Earth's Shadow and the Belt of Venus
- Eastern Veil Nebula
- Fish Head Nebula
- Fly Nebula
- Garnet Star
- Helix Nebula
- Iris Nebula
- M2 - Globular Cluster in Aquarius
- M11 - Wild Duck Cluster
- M17 - Omega Nebula
- M27 - The Dumbbell Nebula
- M29 - Cooling Tower Cluster
- M34 - Spiral Cluster
- M36 - Pinwheel Cluster
- M37 - Open Cluster in Auriga
- M38 - Starfish Cluster
- M46 - Open Cluster in Puppis
- M56 - Globular Cluster in Lyra
- M63 - Sunflower Galaxy
- M65 - Spiral Galaxy in Leo
- M66 - Barred Spiral Galaxy in Leo
- M81 - Bode's Galaxy
- M82 - Cigar Galaxy
- M94 - Cat's Eye, or Croc's Eye Galaxy
- M103 - Open Cluster in Cassiopeia
- M109 - Vacuum Cleaner Galaxy
- M1 - Crab Nebula
- M3 - Globular Cluster in Canes Venatici
- M8, M20, and M23 – the Lagoon Nebula, the Trifid Nebula, and the nearby open cluster
- M13 - Great Globular Cluster in Hercules
- M21 - Webb’s Cross
- M31 (M32, M101) – the Andromeda Galaxy and its satellite galaxies
- M33 - Triangulum Galaxy
- M39 - Open Cluster in Cygnus
- M40 – Winnecke 4, or the Astronomer's Mistake
- M42 and M43 – The Orion Nebula, Fish's Mouth, and De Mairan's Nebula
- M45 - The Pleiades, or Seven Sisters
- M51 - Whirlpool Galaxy
- M52 - Scorpion Cluster
- M57 - Ring Nebula
- M76 - The Little Dumbbell Nebula
- M92 - Globular Cluster in Hercules
- M97 - Owl Nebula
- M100 - Mirror Galaxy
- M101 - Pinwheel Galaxy
- M104 - Sombrero Galaxy
- Marvelous Lunar Maria
- Medusa Nebula
- Moon Halo
- Needle Galaxy
- Northern Lagoon Nebula
- Pacman Nebula
- Pelican Nebula
- Rosette Nebula
- Saturn: The Ringed Giant
- Sea of Rains, Lunar Mountains, and Craters
- Spiral in the Sky: A Fuel Dump in Low Earth Orbit
- Sun Halo
- The Double Cluster in Perseus, the Heart Nebula, the Soul Nebula, and nearby star clusters
- The Horsehead Nebula, the Flame Nebula, and IC 434
- The Origin and Structure of the Messier Catalog
- Three Suns in the Sky: The Mystery of Parhelia
- Tulip Nebula
- Whale Galaxy
Marek Ples