Observation by Jonathon Elliott: The Little Rosette

Uploaded by

Jonathon Elliott

Observer

Jonathon Elliott

Observed

2026 Oct 03 - 00:10

Uploaded

2026 Oct 04 - 14:14

Objects

Sharpless 170

Equipment

Askar 203 apo at f7
Ioptron CEM120EC Stelladrive mount
ZWO asi 6200mm pro cooled to -10
Antlia Ha, Oiii Sii and RGB filters

Exposure

HSO 15 hours RGB 6 hrs

Location

Gloucester Bortle7

Target name

The Little Rosette

Title

The Little Rosette

About this image

The Little Rosette Nebula

Catalogue Sh2-170

Added a few more hours last night.

This is a faint emission nebuls located some 7.500 light years from Earth in the Constellation of Cassiopeia.

It spans over 20 to 44 light years across.

Its Power Source glowing Hydrogen, Oxygen and Sulpur ionized by a central star.

I captured a total of 15 hours on this target combining Ha, Sii and Oiii filters. The stars are from RGB filters to get the true colour.

Files associated with this observation

SH2-170.jpg (7.8 MB)

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