Aug 5, 2023

Wolf - Rayet 134 (and WR 135...)

The so-called Wolf-Rayet stars are a rare set of stars that exhibit very uncommon spectra showing outstanding broad emission lines of ionized helium, nitrogen or carbon. Their surface temperatures are between 20.000 K and 200.000 K higher than most other types of stars... Read more

Aug 4, 2023

Widefield in Cygnus with Crescent nebula and Wolf-Rayet 134

This image started out as an auxiliary image to be taken with my FSQ-106 N to get just some RGB data for the stars for my narrowband image of WR 134....

But the FSQ is such a nice instrument that I quickly saw that this field deserved an image of its own.

Total exposure time is about 12 hours in 5 minutes sub-exposures... Read more