Serendipitous Catch in Gemini 2-26-2022 (Steve Lantz)

Contains: Solar system body or event

Serendipitous Catch in Gemini 2-26-2022

Revision title: Processed image

Serendipitous Catch in Gemini 2-26-2022

Revision title: Processed image

I have been imaging NGC 2304, a small open cluster in Gemini. While not spectacular and therefore not often imaged, the star field is pleasing to see. But more importantly, I have been investigating light curves of a couple of variable stars that I've found in this region, completing two full runs to date and hoping for a couple more. The image here, however, is not part of the variable star work. Instead it is a meteor that I caught by luck alone (a new meaning for lucky capture?) in one of the frames of my second imaging run. Since the ASIAir was running the scope on the back porch while I watched TV indoors, I didn't get to actually see the meteor, but it must have been quite a sight judging from the trail it left in the raw frame. I couldn't just process and post the one frame because noise would really degrade things. So I stacked all the images and processed that. Then I processed the frame with the meteor. I wasn't sure of the meteor's color, so I let it develop as a result of what I did to get good star colors, thinking if the star colors were realistic, the meteor color would be too. After that I pulled the meteor trail from the single frame and composited the trail with the stack. The meteor trail is clearly bluish. This color could be some kind of processing artifact. But it could also be real, which would mean that the meteor contained a lot of magnesium.

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Title: Processed image

Description: This is the meteor trail added to the image stack.

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Serendipitous Catch in Gemini 2-26-2022

Revision title: Processed image

Serendipitous Catch in Gemini 2-26-2022

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Serendipitous Catch in Gemini 2-26-2022

Revision title: Processed image

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