The Rosette Nebula spans a distance of about 100 lightyears across and is located 5,000 lightyears from Earth in the Monoceros constellation.
Catalogued as NCG 2237, the Rosette Nebula more than lives up to its informal nickname, as its circular shape and deep, dark centre gives it a floral appearance.
At the centre of the nebula is NGC 2244, a group of stars that form a gravitationally bound open star cluster thought to be about 4 million years old.
These stars are emitting streams of charged particles known as stellar winds, carving out the gas and dust at the centre of the nebula and earning the cosmic cloud its Rosette nickname.
The Rosette Nebula, as seen by NASA’s Wide-field Infrared Survey Explorer telescope.
The surrounding gas that forms a ring around the dark centre is glowing because it is being blasted by radiation from nearby stars, making the Rosette Nebula an emission nebula.
Below is a selection of images of the Rosette Nebula captured by BBC Sky at Night Magazine readers and astrophotographers from around the world.
For more info on photographing nebulae, read our guide to deep-sky astrophotography or find out how to fine-tune your images with our guide to deep-sky image processing.
And remember to send us your images: we’d love to see them! You can also share them with us via Facebook, Twitter and Instagram.
The Rosette Nebula by Steve Bishop, Wakefield, 27 February 2019
Equipment: Altair Hypercam 183M Pro mono camera, Primalucelab Airy black 80T apo refractor, Sky-Watcher NEQ6 Pro SynScan mount.
The Rosette Nebula, Jean M Dean, Guernsey, 25 February 2019. Equipment: Starlight Xpress Trius SX-814 CCD camera, Takahashi FS60CB refractor, iOptron CEM25EC GoTo mount.
The Rosette Nebula by Adam Leach, Kent, 25 February – 3 March 2019. Equipment: Atik 314L CCD camera, Altair Starwave 102ED refractor, Sky-Watcher HEQ5 Pro SynScan mount.
Richard Pearce, South Lincolnshire, 28 January 2019. Equipment used: Canon EOS 450D DSLR camera, Sky-Watcher Evostar 80ED Pro refractor, Sky-Watcher EQ5 Pro SynScan mount.
The Rosette Nebula by Adam Leach, Kent, 25 February – 3 March 2019. Equipment: Atik 314L CCD camera, Altair Starwave 102ED refractor, Sky-Watcher HEQ5 mount.
Steve’s finished Rosette Nebula image, a bi-colour shot produced from dark-frame calibrated hydrogen-alpha and oxygen III data. Credit: Steve Richards
The Rosette Nebula by Kevin Hearn, Bury St Edmunds, Suffolk, 21, 23, 24 February 2019. Equipment: Atik 460ex mono camera, Sky-Watcher Evostar ED80 Pro refractor, Sky-Watcher NEQ6 Pro mount.
The Rosette Nebula by Steve MacDonald, Cyprus, 21–25 November 2019. Equipment: Moravian G2-8300 mono camera, Sky-Watcher Esprit 100 apo refractor, Sky-Watcher EQ6 mount
The inner region of the Rosette Nebula rendered using the Hubble palette with SII for the red channel, H-alpha for green and OIII for blue. Credit: Pete Lawrence
The Rosette Nebula Martin Bracken, Chelmsford, Essex, 22 November 2020. Equipment: ZWO ASI 294MC Pro colour camera, Sky-Watcher Esprit 100ED apo triplet refractor, Sky-Watcher HEQ5 Pro mount
The Rosette Nebula by Martin Bracken, Chelmsford, 27 December 2020. Equipment: ZWO ASI 294MC Pro colour camera, Sky-Watcher Esprit 100ED apo triplet refractor, Sky-Watcher HEQ5 Pro mount
Rosette Nebula Hubble Palette by Matt Beavers, Lucksall, SGL6 Starparty, UK. Equipment: HEQ5, William Optics Megrez 72mm, Atik 16HR, Astronomik Narrow Band Filters, EQMOD.
The Rosette Nebula by Andy Jensen, Suffolk, UK. Equipment: 80mm Skywatcher Apo, Atik 314l NEQ6 mount.
Rosetta Nebula by Andre van der Hoeven, HI-Ambacht, The Netherlands. Equipment: Takahashi FSQ106, SXV-H9
The Rosette Nebula (also known as Caldwell 49) by Wayne Stallard, Basildon, Essex, UK. Equipment: William Optics FLT132, Astro-Physics Mach1 GTO mount, Astro-Physics Telecompressor (0.75x) (27TVPH), Starlight Xpress SXVR-M25C CCD, Starlight Xpress Lodestar.
Rosette Nebula in Ha by Dave Trewren, Bristol, UK. Equipment: HEQ5, Nikkor 180mm f/2.8 ED, HY9M, Baader Ha narrowband, StarShoot, modified finder scope
NGC2244 by Mark Casto, Halesworth, Suffolk, UK. Equipment: Skywatcher 200p EQ5 mount and Canon 350D unguided.
Rosette Nebula by Phil Benson, Rayleigh, Essex, UK. Equipment: 102mm F7 Apo refractor, Televue TRF2008 flattener/reducer, QSI 583wsg CCD camera, Astrodon filters, Starlight Xpress Lodestar guide camera, EQ6 Pro mount
Rosette Nebula by Trevor Worrall, Rotherham S.Yorkshire, UK. Equipment: Revelation ED 80mm refractor, SBIG ST-8300, Starlight Express fiter wheel, Baader Ha Filter selected
Rosette Nebula – Hubble Palette by Francesco Di Cencio, Belluno, Italy, Dolomites. Equipment: Achromatic refractor TS Individual 152/900, CCD QHY9 bin2, Mount Celestron CGE+TDM
Caldwell 49 Rosette Nebula by Mark Griffith, Swindon, Wiltshire, UK. Equipment: Skywatcher Equinox 80mm refractor, NEQ6 pro mount, Canon Eos 1100d self-modified and Astronomik CLS CCD clip filter.
The Rosette Nebula by Paul Hughes, St Austell, Cornwall, UK. Equipment: Takahashi FS-102 Refractor f/6, Takahashi EM-200 mount, SBIG ST-8300 CCD camera. Autoguided using a QHY5/PHD
NGC2244 Corner of the Rosette by Jeffrey Jongmans, Etten-Leur, The Netherlands. Equipment: GSO 10″ Carbon RC, ASA DDM60, QSI 683wsg-8, Astrodon 3nm Ha, OIII and SII filters.
Caldwell 49 – The Rosette Nebula by Matt Foyle, Derbyshire, UK. Equipment: 80mm F6 Refractor, QHY9M CCD, HEQ6 Pro Mount, Orion 50mm mini guider, QHY5M, ST4 Cable, Baader 2″ CCD full frame 7nm HA filter, 2″ QHY motorised filter wheel, TSFlat2.
Rosette 3.5 hours by Dave Parker, Ripley, Surrey, UK. Equipment: Williams Optics MEgrez 72, Modded Canon 1000D, NEQ6. Guided with ST80 and QHY5.<