Hi Uwe,
the visibility of the displacement of the HII and OIII zones certainly depends on the conditions. The displacement was very obvious on a very transparent night with Matthias in the...
Type: Posts; User: reiner; Keyword(s):
Hi Uwe,
the visibility of the displacement of the HII and OIII zones certainly depends on the conditions. The displacement was very obvious on a very transparent night with Matthias in the...
Hi Jimi and Steve,
yes, there is a good response with the H beta filter. It is about the same as for the OIII filter, maybe slightly less.
And yes, the coordinates were off. I corrected that...
Hi Hajü,
I have observed Sharpless 174 only with my 22", but I guess it should not be a problem with a 16", in particular under good conditions. Don't forget to try the different filters to see...
Sh2-174 The planetary nebula abandoned by its central star?
Cepheus
23 46 49
+80 56 20
Type: Planetary nebula (?), 10'x15'