Sh2-170

SH2 170 Little Rosette Nebula HOO-RGB

Sh2 170, is a rarely imaged nebula, also known as the Little Rosette Nebula. It’s an H2 region located in the constellation of Cassiopeia. Located about 7,500 light years away in the Perseus arm of our Milky Way galaxy. The bright star at the nebula's centre ionises the surrounding hydrogen gas and causes it to glow.

Taken over 6 nights at the Los Coloraos complex in Gorafe, Spain.

Processed in a natural palette.

Imaged using the Celestron C14 Edge HD telescope in dome 4 at Turismo Astronómico, Los Coloraos observatory in Gorafe, Spain.

Technical summary:

Captured: 6 Nights in August and September 2024

Location: Turismo Astronómico, Los Coloraos, Gorafe, Spain

Bortle Class: 3

Total Integration: 28 hours 41 mins

Filters: Red 784x 60s, Green 87x 60s, Blue 85x 160, Ha 132x 300, Oiii 161 x 300s

Pixel Scale: 0.4 arcsec/pixel

Telescope: Celestron C14 Edge HD 3,910mm fl

Image Camera: ZWO ASI6200MM Pro

Filters: Astronomik R, G, B, Ha, Oiii

Mount: Skywatcher EQ 8

Computer: Minix NUC

Capture software: NINA, PHD2

Editing software: PixInsight, Adobe Lightroom

Copyright: Eric Smith