NGC 2264, Nebula Cone + Luca Dinoi + Optolong 3nm NB LRGB

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NGC 2264, Nebula Cone + Luca Dinoi + Optolong 3nm NB LRGB

Credit: Astrophotography Luca Dinoi

 

NGC 2264 is a brilliant open cluster about 2500 light years away surrounded by a large system of diffuse nebula within the unicorn constellation.

At the southern tip of the cluster, if you look with a telescope with a filter, a nebula becomes apparent, with a dark cone topple on the edge with the tip pointing upwards (in this image we can look at it on the left). This structure famous the cloud as the cone nebula. In addition, there is a large, weaker nebula to the north-west of the cluster, which can be seen in the photographs on long exposure.

Nebula Cone
NGC2264 indicates a brilliant, open cluster surrounded by a large system of scattered nebulas within the Unicom constellation. 
Optolong Blue 2": 19 x 300 (1h 35) (gain: 100.00) f/7 -10°C bin 1 x 1
Optolong Green 2": 19x300 (1h 35) (gain:100.00) f7 - 10°C bin 1x1
Optolong H-Alpha 3nm 2": 21x600 (3h 30) (gain:100.00) f7 - 10°C bin 1x1
Optolong Luminance 2": 30x300 (2h 30) (gain:100.00) f7 - 10°C bin 1x1
Optolong OIII 3nm 2": 25x600 (4h 10) (gain:100.00) f7 - 10°C bin 1x1
Optolong Red 2": 19x300 (1h 35) (gain:100.00) f7 - 10°C bin 1x1

Credit: Astrophotography Luca Dinoi

 

This image was published on Amateur Astrophotography Magazine, On page 38 of magazine 111, good reading

 

 

 

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