Sh2-82 - Little Trifid (or Little Cocoon)

MouseOver for object identification, Click on image for a zoomable version

Location / Date

Zellerndorf, August 2017

Telescope / Mount / Guiding

ASA 10" Astrograph, ASA 3" Wynne-Corrector (focal length 910mm)
ASA DDM60, no Guiding

Camera / Exposure

Moravian G3-16200, Astrodon Gen2 Filter
L 63 x 6min, R 26 x 6min, G 14 x 6min, B 21 x 6min
Hα 6 x 20min

Total exposure time: 14h 24min


PixInsight, Fitswork, Photoshop


Sh2-82 is a H II region associated with a reflecting nebula in the constellation Sagitta. The blue reflection nebula surrounds the bright red emission nebula with a flare of the one side.
Both lie ahead a vast dark cloud of dust which blocks the light of most of the stars behind it.

Teutsch 42 is a compact Open Cluster. It appears as a tight group dominated by a triangle of brighter stars. It is a highly reddened object.

Home Galaxies Nebulae Star Clusters Miscellaneous