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ASTRO: SH2-235 and PK 173.7 +02.7
Emission nebula Sharpless 2-235 and Planetary nebula PK 173.7 +02.7 are
among a field of emission nebulae in Auriga. I originally intended to image the whole field with my ED80 refractor, but then decided to take a close-up with my 10" Meade ARC. Maybe I'll manage to do the widefield later this year (or next). This is a Ha:G:B image. I also took some OIII frames, but they had almost no signal, in neither of the nebulae. Taken from the middle of Berlin with a 10" Meade ARC at f/5.7, SXV-H9 camera, 78x5 minutes for Halpha, 4x5 minutes each for green and blue. The picture can also be found at http://ccd-astronomy.de/temp2/Sh2-235colourgut.jpg Stefan |
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