Caldwell 39

Derby and District Astronomical Society

Caldwell 39 (NGC 2392)
The Eskimo Nebula

Planetary Nebula in Gemini
RA 07h 29m 12s Dec +20° 55m 00s

Mike Lancaster captured this image of the Eskimo Nebula on the 3rd April 2023. It is a stack of 80 x 4 second subs taken on the 3rd April 2023 with an Altair Hypercam 26C at 300 gain through an Orion Optics UK AG12 Astrograph. A 0.95x Wynne Corrector and Astronomik CLSCCD filter were also employed. Due to the short exposures no guiding was required, but the subs were dithered between each exposure. Images captured in SharpCap and processed entirely in PixInsight. Zoom in - can you see the face bundled cosily inside a parka? Image Credit: Mike Lancaster.

This image of the Eskimo Nebula was captured by Mike Lancaster on the 22nd January 2022. It is a stack of eight 5 minute exposures taken with a Mallincam Universe camera using a gain of 20 dB at full resolution (i.e. no binning), using a 0.5x Mallincam focal reducer and Astronomik CLS-CCD filter through a 10" Meade LX200 ACF SCT. This setup was mounted on an EQ8 mount and guided with a Lodestar camera through an off-axis guider using PHD2. The images were stacked, cropped and processed in Nebulosity 4 and Photoshop Elements 2020. Image Credit: Mike Lancaster.

Mike Lancaster captured this image of the Eskimo Nebula on the 8th March 2014. It is a stack of nine 30 second exposures taken with a Mallincam Xtreme X2 camera at AGC2, using an MFR5 focal reducer and Astronomik CLS-CCD filter through a 10" Meade LX200 ACF SCT. The images were stacked, cropped and processed in Nebulosity 3, Photoshop Elements 7 and Astronomy Tools. No guiding or dark frames were used. Image Credit: Mike Lancaster.

The following is an image of the Eskimo Nebula (Caldwell 39/NGC 2392) in Gemini and was captured by Adrian Brown on the 19th February 2005. The image is a stacked composite of eighteen 90 second exposures taken at f/10 with a Celestron C11 and ATK-1C combo. Adrian captured 60 minutes worth of raw images but comments 'my drive isn't really good enough for 90 second un-guided exposures and I couldn't use most of the captured images. Still, even with the egg shaped stars its quite an interesting image. The nebula was quite bright and visible in a 25mm eyepiece, even though the Moon was also in Gemini at the time!' Image Credit: Adrian Brown.

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