Messier Catalogue 1 to 20
The Messier Catalogue is perhaps the most famous astronomy catalogue there is, detailing deep-sky objects such as galaxies, globular clusters and nebulae. It’s a ‘what’s what’ of some of the best objects to see in the night sky with a telescope.
M1, The Crab Nebula
![M1, the Crab Nebula. Credit: Dieter Retzl / CCDGuide.com M1, the Crab Nebula. Credit: Dieter Retzl / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M1-Crab-Nebula-835f655-e1599056130819.jpg?quality=90&resize=620%2C461)
Credit: Dieter Retzl / CCDGuide.com
- Supernova remnant in Taurus
- RA 05h 34.5m, dec. +22º 01’
- Mag. +8.4
M2
![M2, imaged by Ron Brecher. Credit: Ron Brecher M2, imaged by Ron Brecher. Credit: Ron Brecher](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/Unknown_13-ff458af-e1599056140590.jpeg?quality=90&resize=620%2C427)
Credit: Ron Brecher
- Globular cluster in Aquarius
- RA 21h 33.5m, dec. –00º 49’
- Mag. +6.5
M3
![M3 in Canes Venatici. Credit: Manfred Wasshuber / CCDGuide.com M3 in Canes Venatici. Credit: Manfred Wasshuber / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M3-Canes-Venatici-de34be1-e1599056150728.jpg?quality=90&resize=620%2C489)
Credit: Manfred Wasshuber / CCDGuide.com
- Globular cluster in Canes Venatici
- RA 13h 42.2m, dec. +28º 23’
- Mag. +6.2
M4
![M4. Credit: CEDIC Team, Herbert Walter / CCDGuide.com M4. Credit: CEDIC Team, Herbert Walter / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M004-006-ff28905-e1599056180376.jpg?quality=90&resize=620%2C412)
Credit: CEDIC Team, Herbert Walter / CCDGuide.com
- Globular cluster in Scorpius
- RA 16h 23.6m, dec. –26º 32’
- Mag. +5.6
M5
![M5. Manfred Wasshuber / CCD Guide.com M5. Manfred Wasshuber / CCD Guide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M005-007-3dec101-e1599056190176.jpg?quality=90&resize=620%2C492)
Credit: Manfred Wasshuber / CCD Guide.com
- Globular cluster in Serpens Caput
- RA 15h 18.6m, dec. +02º 05’
- Mag. +5.6
M6, The Butterfly Cluster
![M6. Credit: Bernhard Hubl / CCDGuide.com M6. Credit: Bernhard Hubl / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M006-001-74605b4-e1599056201749.jpg?quality=90&resize=620%2C465)
Credit: Bernhard Hubl / CCDGuide.com
- Open cluster in Scorpius
- RA 17h 40.1m, dec. –32º 13’
- Mag. +5.3
M7, Ptolemy’s Cluster
![M7, imaged by Luis Fernando Parmegiani. M7, imaged by Luis Fernando Parmegiani.](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/M7-c3d501a-e1599056210878.jpg?quality=90&resize=620%2C458)
Credit: Luis Fernando Parmegiani.
- Open cluster in Scorpius
- RA 17h 53.9m, dec. –34º 49’
- Mag. +4.1
M8, The Lagoon Nebula
![M8, imaged by Ronald Piacenti Junior. M8, imaged by Ronald Piacenti Junior.](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/M8_10EBA-bd2c2d5-e1599056222157.png?quality=90&resize=620%2C365)
Credit: Ronald Piacenti Junior.
- Diffuse nebula in Sagittarius
- RA 18h 03.8m, dec. –24º 23’
- Mag. +6.0
M9
![M9. Credit: Michael Breite, Stefan Heutz, Bernhard Hubl, Wolfgang Ries / CCDGuide.com M9. Credit: Michael Breite, Stefan Heutz, Bernhard Hubl, Wolfgang Ries / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M009-004-797c020-e1599056233594.jpg?quality=90&resize=620%2C433)
Credit: Michael Breite, Stefan Heutz, Bernhard Hubl, Wolfgang Ries / CCDGuide.com
- Globular cluster in Ophiuchus
- RA 17h 19.2m, dec. –18º 31’
- Mag. +7.7
M10
![M10, by Günter Kerschhuber. Credit: Günter Kerschhuber / CCDGuide.com M10, by Günter Kerschhuber. Credit: Günter Kerschhuber / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M010-003-1cab63c-e1599056242811.jpg?quality=90&resize=620%2C463)
Credit: Günter Kerschhuber / CCDGuide.com
- Globular cluster in Ophiuchus
- RA 16h 57.1m, dec. –04º 06’
- Mag. +6.6
M11, The Wild Duck Cluster
![M11. Credit: Ron Brecher M11. Credit: Ron Brecher](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/Unknown_1-c37b57a-e1599132512893.jpeg?quality=90&resize=620%2C432)
Credit: Ron Brecher
- Open cluster in Scutum
- RA 18h 51.1m, dec. –06º 16’
- Mag. +6.3
M12
![M12. Credit: Bernhard Hubl M12. Credit: Bernhard Hubl](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M012-008-f14e659-e1599132523283.jpg?quality=90&resize=620%2C465)
Credit: Bernhard Hubl
- Globular cluster in Ophiuchus
- RA 16h 47.2m, dec. –01º 57’
- Mag. +6.7
M13, The Hercules Globular Cluster
![M13 by Alvaro Ibañz Perez. M13 by Alvaro Ibañz Perez.](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/39505639710_7305cf802a_o-4dd3a75-e1599132536564.jpg?quality=90&resize=620%2C421)
Credit: Alvaro Ibañz Perez.
- Globular cluster in Hercules
- RA 16h 41.7m, dec. +36º 28’
- Mag. +5.8
M14
![M14. Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com M14. Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M014-005-13e4f78-e1599132546789.jpg?quality=90&resize=620%2C410)
Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com
- Globular cluster in Ophiuchus
- RA 17h 37.6m, dec. –03º 15’
- Mag. +7.6
M15
![M15 by Mark Griffith. M15 by Mark Griffith.](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/m15_3hr_20min-2d8d5c5-e1599132556204.jpg?quality=90&resize=620%2C461)
Credit: Mark Griffith.
- Globular cluster in Pegasus
- RA 21h 30.0m; dec. +12º 10’
- Mag. +6.2
M16, The Eagle Nebula
![M16 by Mark Griffith M16 by Mark Griffith](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/m16_2hr_0min-ef8f159-e1599132568555.jpg?quality=90&resize=620%2C476)
Credit: Mark Griffith
- Open cluster plus nebula in Serpens Cauda
- RA 18h 18.8m, dec. –13º 47’
- Mag. +6.4
M17, The Omega Nebula
![The Omega Nebula Tom Bishton, Gold Coast Hinterland, Australia. Equipment: Canon EOS 600D DSLR camera, Black Diamond ED120 refractor, Sky-Watcher AZ EQ6 mount. The Omega Nebula Tom Bishton, Gold Coast Hinterland, Australia. Equipment: Canon EOS 600D DSLR camera, Black Diamond ED120 refractor, Sky-Watcher AZ EQ6 mount.](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/IMG_0844-b690b8b-e1599132615961.jpg?quality=90&resize=620%2C428)
Credit: Tom Bishton
- Diffuse nebula in Sagittarius
- RA 18h 20.8m, dec. –16º 11’
- Mag. +7.0
M18
![M18. Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com M18. Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M018-003-35c22fc-e1599132625685.jpg?quality=90&resize=620%2C417)
Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com
- Open cluster in Sagittarius
- RA 18h 19.9m, dec. –17º 08’
- Mag. +7.5
M19
![M19. Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com M19. Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com](https://images.immediate.co.uk/production/volatile/sites/25/2020/08/M019-002-7380043-e1599132635852.jpg?quality=90&resize=620%2C469)
Credit: Michael Breite, Stefan Heutz, Wolfgang Ries / CCDGuide.com
- Globular cluster in Ophiuchus
- RA 17h 02.6m, dec. –26º 16’
- Mag. +6.8
M20, The Trifid Nebula
![The Triffid Nebula Chris Platkiw, iTelescope Siding Springs Observatory, Australia. Equipment: SBIG ST-2000XCM camera, Takahashi SKY-90 refractor. The Triffid Nebula Chris Platkiw, iTelescope Siding Springs Observatory, Australia. Equipment: SBIG ST-2000XCM camera, Takahashi SKY-90 refractor.](https://images.immediate.co.uk/production/volatile/sites/25/2019/02/M20-hotshots-144828e-e1599132645271.png?quality=90&resize=620%2C458)
Credit: Chris Platkiw
- Diffuse nebula in Sagittarius
- RA 18h 02.6m, dec. –23º 02’
- Mag. +9.0