NGC 2244 – Rosette Nebula (Natural Palette)

NGC 2244

The Rosette Nebula

The most famous flower


The Rosette Nebula, NGC 2237, is not the only cosmic cloud of gas and dust to evoke the imagery of flowers, but it is the most famous. At the edge of a large molecular cloud in Monoceros some 5,000 light years away, the petals of this cosmic rose are actually a stellar nursery. The lovely, symmetric shape is sculpted by the winds and radiation from its central cluster of hot young, O-type stars. Stars in the energetic cluster, cataloged as NGC 2244, are only a few million years young, while the central cavity in the Rosette Nebula, is about 50 light-years in diameter. The nebula can be seen with a small telescope toward the constellation of Monoceros, the Unicorn. This appearing telescopic portrait of the Rosette Nebula was made using broadband and narrowband filters, because sometimes roses aren’t red.

The Rosette Nebula in Monoceros


Technische Karte


ObjektNGC 2244
Imaging telescopesCelestron Rowe-Ackermann Schmidt Astrograph 11″
Montierung iOptron CEM60
NachführungGuidescope 130mm, ZWO ASI 290MM
FilterBaader 3.5 / 4nm f/2 Ultra-Highspeed-Filter-Set 50mm² (H-alpha / O-III / S-II), Baader R, G, B (50mm²)
ZubehörBaader UFC, Baader UFC-Tilter,  Celestron Focus Motor for SCT
Aufnahmedauer33 hours, H-Alpha: 270×180″, OIII: 153×180″, SII: 179×180″, RGB each: 120×30″
Aufnahmedatum10 nights between December 2021 and February 2022


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