I've been imaging over the past few days. The horsehead image from the last post did get its green and blue parts taken:
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| Flame and Horsehead nebulae |
The Moon was Gibbous and nearby; some of its light snuck in and caused the blue-green flare at lower right. This has since been solved by extending the dew shield with some craft foam.
I also had a couple of clear nights during which to image the Rosette nebula. I collectd H-alpha the first night, but it was partly cloudy the second night and I didn't get very many OIII frames. Consider this a preliminary composite image:
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Rosette Nebular (NGC 2244)
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The Moon was even brighter and closer to the target than for the previous image, but the dew shield extender worked fine. Next chance I get I will collect more OIII data, and for the first time try to get some SII as well. I'll get a Hubble Palette image yet!
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