Another yellow cactus flower

This one is another Notocactus species. I succumbed to buying it without a proper species name, because I liked it. The flower is slightly past its best. I should have posted an image of it when it was out yesterday, but I preferred the other yellow flower.

I thought we might have a nice sunset tonight, but there is rather too much southerly cloud. I'm not sure that we'll get any rain out of it, but it does mess up the horizon, and cast shadows on the higher clouds. The sky is reddish now, but with grey streaks through it.