Asterisms – Dolidze 17

Original article appears in GuideStar February, 2021.

By: Steve Goldberg

Asterism: a grouping of stars that form a recognizable pattern.

Constellation: Orion
Right Ascension:  05h 22m 24.0s
Declination: +07° 07' 00"
Magnitude: 7 to 8
Size:  13’ (minutes)

This asterism, Dolidze 17, in Orion contains 5 stars in a unique pattern.   It is located at the shoulders of Orion right next to star Bellatrix (Gamma γ).

The asterism comprises of 6 stars. Three that form a triangle and the other 3 form a straight line next to the triangle.

The bright start to the right is Bellatrix (Gamma γ).


The circle is the eyepiece view of a 10” telescope with a 40mm eyepiece giving a 1.5 degree Field of View (FOV).



HAS Online Store

Get Connected!

HAS has begun using RainedOut, a text message service, to communicate late-breaking news about events. Click here to learn more and subscribe!

Night Sky Network