Eskimo Nebula
Planetary nebula

Eskimo Nebula

C 39 · Gemini
These photons are ~6,500 years old
UV/IR
Date
2026-03-21
Location
52.7618° N, 2.3776° W
Integration
24m (144 × 10s)
Software
ZWO Seestar app
Notes
—
Plate solve
Centre RA
7h 29m 15.6s
Centre Dec
+20° 54′ 55″
Field
42.8′ × 76.1′
Pixel scale
1.19″/px
Orientation
-137.2° E of N
TelescopeZWO Seestar S50
CameraZWO Seestar S50 Camera
RigFamily Holiday Rig
Captured from · United Kingdom
52.7618° N, 2.3776° W · open map ↗

Where to find it

Interactive sky chart centred on 7 29 15.6 +20 54 55, with constellation stick figures overlaid. Locate shows the whole constellation with the target ringed; Field zooms to the close-up. Drag to pan, scroll to zoom, click any star to identify it. Imagery: DSS colour survey via CDS Aladin Lite. Constellation figures © Dominic Ford (GPLv3).

A complex double-shell planetary nebula. The bright inner shell is surrounded by a larger, coarser outer shell of filaments resembling a fur-lined parka hood. The two-zone structure reflects two distinct mass-loss episodes.

Frequently asked questions

What kind of object is C 39?
C 39 is a planetary nebula.
Which constellation is C 39 in?
C 39 lies in the constellation Gemini.
How far away is C 39?
The light in this image left C 39 roughly ~6,500 years ago, so that is how far back in time you are seeing it.
What are the coordinates of C 39?
C 39 sits at right ascension 07h 29m 16s and declination +20° 54′ 55″ (J2000).
When is the best time to photograph C 39?
C 39 rides highest in the evening sky around January, reaching about 57° above the horizon from around 54°N.
What equipment was used to photograph C 39?
This image of C 39 was captured with ZWO Seestar S50 and ZWO Seestar S50 Camera.
How much exposure time went into this image?
This image of C 39 represents 24m (144 × 10s) of total integration time.