Betelgeuse
Use the constellation outline drawn on the overview to identify Betelgeuse. Then center it in the finder or a low-power eyepiece.
How to find Nebulosa Roseta (NGC2238)
This guide uses bright stars first, then narrows the field for a telescope or binocular finder. Use Orion as the main sky landmark.
Follow the route from one recognizable star to the next until you reach Nebulosa Roseta (NGC2238).
Nebulosa Roseta (NGC2238) is 14° above the horizon toward the East.
Use Orion as the large-scale sky landmark before following the numbered route.
field star · mag 5.7
From Betelgeuse, move about 6.0° toward the east until you reach field star · mag 5.7.
field star · mag 4.4
From field star · mag 5.7, move about 1.7° toward the east until you reach field star · mag 4.4.
