What is the expected maximum apparent magnitude of supernova SN 2014J? When will it attain peak brightness?
I am so sorry for being ambiguous. I'm not an astronomer and have have never actually even bothered to look at the sky before. I don't have a telescope nor camera. Yet, I'm really really curious ...
The SN 1572 remnant, also called Tycho's supernova remnant, is beautiful in X-ray images. It seems to be rather dim in visible light. Are there any amateur photographs of this object? How long are the ...