About Winecke 4 (M40)

Winecke 4 is frequently observed by amateur astronomers and presents itself as a diffuse object. It is quite faint.

Current visibility

Right now it is at about 25° altitude and reaches 32° around 08:48 PM.

It stays above 30° for roughly 3 hours.

Observing conditions matter, fine detail requires darker skies.

Observing tips

It requires patience and good conditions.

Type

Double Star

Constellation

Ursa Major

Distance

510 ly

Size

49.0'

Season

Spring

Difficulty

Easy

Magnitude

9.3