I see there is a review of the Sodium D-line Quark in the March edition of “Sky at Night” (at £1099). I have heard it said that D-line images are like a mix of White-light and H alpha. Here is a copy of some images I did from a couple of months ago where I did exactly that mix. Interesting to compare that with the image in the magazine.
Anyone spent £1099 so we can do a real comparison?!
Sun is still very quiet, but as a bonus extra, I have attached an image from yesterday. (rotated so it fits a screen aspect ratio better)