Celestial hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2239  ·  NGC 2244  ·  NGC 2252  ·  Rosette nebula  ·  The star 12Mon
Rosette Nebula in Ha, Ed Magowan
Rosette Nebula in Ha
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Rosette Nebula in Ha

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Description

In January 2016 I modified a Canon T2i by removing the IR blocking and anti-aliasing filters. This Rosette image was taken with that camera using a 12nm Ha filter and a 4 inch f/5 achromat. This was in my light-polluted back yard. I have no hope of capturing this much nebulosity and detail from my back yard unless I shoot narrowband. I'm likely stuck with Ha and maybe OIII for a few objects, SII is just too weak to try without a cooled imager and I don't anticipate trying a cooling mod on a DSLR anytime soon.

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Rosette Nebula in Ha, Ed Magowan