M21 - Open Cluster

• Pawel Lancucki - Amateur Astronomy (0)
• Astrophotography (0)
• My recent images (12)
• Messier Objects (2)
• M1 The Crab Nebula (4)
• M6 - open cluster (1)
• M7 - "Ptolemy Cluster" (2)
• M8 - Lagoon Nebula (4)
• M9 (1)
• M10 (2)
• M11 - Wild Duck Cluster (4)
• M12 (1)
• M13 - The Great Globular Cluster in Hercules (5)
• M14 (1)
• M15 (2)
• M16 - The Eagle Nebula (4)
• M20 - Trifid Nebula (1)
• M21 - Open Cluster (1)
• M22 (2)
• M26 (2)
• M27 - The Dumbell Nebula (3)
• M 29 (1)
• M31 - The Great Andromeda Galaxy (4)
• M33 - The Triangulum Galaxy (1)
• M35 (1)
• M42 - The Great Nebula in Orion (6)
• M44 - Beehive Cluster (1)
• M45 - The Pleiades (4)
• M51 - The Whirlpool Galaxy (3)
• M52 (4)
• M53 (2)
• M57 - The Ring Nebula (3)
• M63 - The Sunflower Galaxy (1)
• M65 M66 NGC3628 - The famous Leo Triplet (2)
• M67 (1)
• M71 (1)
• M78 (2)
• M81 and M82 (2)
• M83 - Southern Whirpool (2)
• M92 - The "second" cluster in Hercules (1)
• M95 M96 and M105 - the second Leo Triplet (1)
• M101 (1)
• M104 - The Sombrero Galaxy (1)
• Other Deep Space Objects (3)
• B33 - Horsehead Nebula (3)
• NGC2244 - The Rosette Nebula (4)
• NGC2264 - Cone Nebula and Christmas Tree Cluster (1)
• IC5070 - Pelican Nebula (1)
• IC5146 - Cocoon Nebula (1)
• NGC6888 - Crescent Nebula (1)
• NGC6960 - Veil Nebula (1)
• NGC7000 - North America Nebula (2)
• NGC7635 - Bubble Nebula (4)
• NGC 7822 and CED214 (1)
• IC 443 (1)
• IC 4597 (1)
• Objects of the Southern Sky (1)
• NGC104 - 47 Tucanae (2)
• NGC 2070 - Tarantula Nebula (1)
• NGC 3372 - Eta Carina Nebula (3)
• NGC5128 - Centaurus A (2)
• NGC 5139 - Omega Centauri (4)
• NGC6188 in Ara (1)
• NGC 7293 - Helix Nebula (1)
• IC2602 - Southern Pleiades (1)
• IC2944 - Running Chicken (1)
• Corona Australis dust nebula (3)
• NGC6334 - Cat's Paw nebula (1)
• NGC6357 (1)
• ap_south_6334-6357 (0)
• NGC253 - The Silver Coin (3)
• NGC4609 - The Coalsack Cluster (2)
• Antares and Rho Ophiuichi (2)
• Small Magellanic Cloud and 47 Tucanae (1)
• M83 - Southern Whirpool (2)
• Solar System - Sun, Moon, Planets, Comets, Asteroids... (0)
• Sun (2)
• Moon (8)
• Mars (1)
• Jupiter (1)
• Saturn (1)
• Comets (0)
• Comet 17P Holmes (5)
• Comet Lulin (C/2007 N1) (1)
• Comet PanSTARRS (C/2011 L4) (4)
• Earth Sky - Atmospheric Phenomena (0)
• 2007-05-09 - Rainbow, thunderstorm and the morning after (33)
• 2006-07-21 - Thunderstorm (6)
• 2006-06-28 - Thunderstorm (4)
• 2006-06-09 A very nice Rainbow (4)
• 2006-05-09 All-sky (3)
• 2005-08-15 A colorful sunset (3)
• 2005-08-13 Storm clouds (3)
• 2005-08-04 Another colorful sunset (3)
• 2005-07-29 Dissipating Thunderstorm (1)
• 2005-06-26 Sunset over Komorów (5)
• Some ATM for Takahashi Teegul Sky Patrol mount (0)
• Wide field night sky images (0)
• One-time astronomy events (1)
• 2015-03-17 Aurora (18)
• 2015-03-20 Partial Solar Eclipse (1)
• 2012-06-06 Transit of Venus (ToV) (26)
• 2011-01-11 - Moon and Jupiter conjunction over Warsaw (5)
• 2011-01-04 Partial Solar Eclipse (7)
• 2008-02-21 Total Lunar Eclipse (6)
• 2006 VV2 (1)
• 2007-03-03 Total Lunar Eclipse (11)
• 2006-06-08 Conjunction of the Moon and Jupiter (2)
• 2006-04-14 Moon and Jupiter conjunction and interesting halo (1)
• 2003-11-20 Solar Aurora (12)
• Wide-field Astrophotography (4)
• Astronomy Trips and Events (1)
• Micro Star Party Bieszczady - October 2012 (80)
• Transit of Venus Expedition - 6th June 2012 (39)
• Scientific Picnic - May 2012 (46)
• Star Party Bieszczady - September 2011 (105)
• Star Party Belecin - August 2011 (87)
• Earth Day - 2011-05-08 (48)
• Star Party Bieszczady - Spring 2011 (206)
• Star Party Bieszczady - October 2010 (192)
• Star party Belecin - September 2010 (64)
• Astro star party in Bieszczady Mountains - 24 to 26 April 2009 (107)
• 2009-04-02 - International Astronomy Year - 100 hours with Astronomy - public viewing session PTMA Warsaw (17)
• 2009-03-09 Public sky viewing at PTMA Warsaw (7)
• 2009-02-27 Imaging comet Lulin (8)
• The First Polish Astro-Imaging Tenerife Expedition (0)
• 01 - Gearing up (4)
• 02 - Driving up the Caldera (13)
• 03 - Walking around the Parador (21)
• 04 - Walking to the Blue Rocks (54)
• 05 - Hardware (8)
• 06 - Trip to Izana Observatory (54)
• 07 - To the Top of the World (well, at least that island) (34)
• 08 - The Hard Part (8)
• 09 - Trip to Los Gigantes (17)
• 10 - Wanna see the clouds again (24)
• 11 - Time to say Good-bye (4)
• 2008-04-14 - Scientific Picnic (Discovery Channel) - Warsaw (37)
• 2008-04-27 Dzien Ziemi - Earth Day (39)
• Spring 2008 - Local astronomy trips and field observing sessions (3)
• 2007-10-31 - Imaging comet Holmes (4)
• Trip to the Total Solar Eclipse - Side, Turkey, 2006 (100)
• Annular solar eclipse - Toledo 2005 (184)
• Kudlacze 2005-08 (30)
• Leonid Meteor Shower 2002 (8)
• ATM corner (0)
• ATM projects related to Astro-Physics equipment (0)
• Mach-1 - Hardwood Tripod Modification (8)
• Mach-1 - Transport Box (7)
• Mach-1 - Transporting mount accessories (4)
• Mach-1 - Quick release mount head system (22)
• AP400 - polar axis elevation push-pull adjustment (21)
• Conversion of lightweight theodolite tripod for AP-400 and EM-xx mounts (4)
• Conversion of AP400 base to fit on Takahashi tripods (12)
• Lightweight counterweight shaft for AP400 (4)
• Travelight (TM) lightweight counterweight (8)
• Lightweight side by side plate (10)
• Piggyback attachment on AP counterweight shafts (14)
• Attaching Robofocus to AP focuser (3)
• New safety knob for smaller AP mounts (5)
• ATM projects related to Takahashi equipment (0)
• 2013-03 Attaching SBIG STL to FS60 (4)
• 2012-04 Attaching Robofocus motor to FSQ106ED micro-focuser (11)
• 2012-04 - Attaching focuser from FSQ106ED to FSQ106N (4)
• Attaching Robofocus to FSQ85 microfocusing knob (7)
• FSQ85ED and Robofocus (11)
• TraveLight (TM) ultralight counterweight shaft (8)
• TraveLight (TM) ultralight counterweight (8)
• Side by side arrangement for SKY90 and FS60 (5)
• ManuFocus for Takahashi telescopes (3)
• Small ATM projects related to Takahashi Teegul Sky Patrol mount (0)
• Better attachment of polar finder to TG-SP mount (14)
• Counterweight carrier for Takahashi mounts (9)
• Transportation box for my FS102 refractor (3)
• Permanent pier for EM-100 mount (8)
• Transport box for my FS60 (4)
• Transport box for EM-200 mount (8)
• P2Z - small improvements and other projects (0)
• P2Z - improved head attachment knob (3)
• P2Z - Vixen compatible saddle (2)
• P2Z - transport box (5)
• P2Z - push-pull arrangement for altitude adjustment (1)
• atm_tak_p2z_foto (2)
• P2Z - powering the mount from rechargable AA batteries (4)
• Quick-release attachment of Robofocus motor to FSQ focuser (9)
• Conversion of EM-2 mount to GOTO using Vixen Skysensor 2000 (0)
• Attaching motors with external belt gears (3)
• Self-made legs for EM-2 tripod (7)
• EM-2 mounted on converted aluminum tehodolite tripod (3)
• ATM projects related to Canon DSLR cameras and lenses (0)
• Red Dot Finder for Canon DSLR (7)
• Mirror for better viewing my 40D LCD screen (6)
• Manufocus for Canon EF 200mm f/2.8 lens (5)
• My various ATM projects (0)
• Ultra-Flat Box (15)
• Universal eyepiece shelf (12)
• Mel Bartels computerised telescope drive (8)
• 12V to 5V 1A voltage converter (6)
• Field power / control box (8)
• Adapters to mate Coronado 60mm Ha filter to Takahashi scopes (17)
• Building a light box for telescopes up to 5" aperture (10)
• Battery box for field use (7)
• Small military-style power splitter (2)
• Custom made relay box (4)
• My balcony observatory (0)
• Stage 1 - Installation of the pier (5)
• Stage 2 - Installation of the mount and first light (13)
• Stage 3 - Installing the splitter box (16)
• Stage 4 - Cabling (12)
• Step 5 - Cabling once again - done properly (10)
• Step 6 - Second Light (3)
• More images of and from my balcony observatory (1)
• Projects related to SBIG CCD camera (0)
• Dewing and frosting of the ST-8300 chip (13)
• 2013-03 Attaching SBIG STL to FS60 (4)
• ATM projects for CATs (0)
• C11 homemade "cat cooler" (9)
• C11 top handle (3)
• Tips and techniques (0)
• Collimating Starlight Express CCD cameras (1)
• Amatorska Spektroskopia / Amateur Spectroscopy (0)
• Prosty spektroskop edukacyjny / simple educational spectroscope (28)
• Spectra L200 (0)
• Spectral images (1)
• Miscellaneous topics (0)
• Problems with connecting AP GTO mount with ASCOM 4.1 (18)
• PD-6XY - Takahashi dual axis drive (9)
• Takahashi DSC - Astroscales (3)
• JP-Z / EM-400 tripod (10)
• Takahashi SKY90 and accessories (24)
• Cooling performance of FLI vs APOGEE (2)
• Kenko Skymemo (13)
• AP130 test images (21)
• tv_everbrite (5)
• a_misc_tv_starp (4)
• a_misc_drobiazgi (0)
• Astro Items for Sale (0)
• Borg / OASIS alt-az mount (4)
• Kasai Pico (7)
• Astro-Physics AP130EDF f/6 (9)
• Pudlo na refraktor (3)
• Pawel Lancucki - General Photography (0)
• 2011-01-10 Warsaw by Fog (18)
• Stulecie Reytana (27)
• TMP (0)
• tmp_waliza (7)
• tmp_trabki (5)
• Real Sky N + S (3)
• ATM owa szpulka i kolko (3)
• tmp_drobiazgi201003 (18)
• Takahashi Focusing Microscope (4)
• Belki Mondeo (2)
• Pentax Zoom (3)
• University Optics Konig 24mm (4)
• N130 (7)
• Canon 300mm f/2.8 (6)
• AP152 Starfire (10)
• Celestron C11 (8)
• EM-2 + Vixen SS2K (3)
• tmp_fujinon (6)
• Selva Naxos 15KM (1)
• SBIG STL (10)
• jola_18maja05 (35)
• TMP (0)
• Wyjad do Indii 2005 (112)
• In Box (0)