TerryMcK Posted May 28, 2021 Share Posted May 28, 2021 I took the first picture March 21 2021 and the second May 20 2021. The first one was just with the mono camera and I had the Ha filter in place so you can see the edges of the bubble nebula. The second was taken with the OSC. Both cameras have the same IMX183 sensor and the telescope was the William Optics ZS103 with a 0.8 reducer/flattener. I think there is a size difference of the nova between to the two images. Although this was not done with any scientific methods the second picture seems to show the nova slightly bigger at least visually. Captured March 21 2021 Capture May 20 2021 4 Quote Link to comment Share on other sites More sharing options...
Greg M Posted June 3, 2021 Share Posted June 3, 2021 I'm not sure how scientific your comparison is but it sure looks to me that it hasn't dimmed any in this timeframe. Very nice shot. Quote Link to comment Share on other sites More sharing options...
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