Observation by Graham Winstanley: Sharpless 2-274; Abell 21; Medusa Nebula

Uploaded by

Graham Winstanley

Observer

Graham Winstanley

Observed

2025 Mar 31 - 00:00

Uploaded

2025 Apr 01 - 08:18

Objects

Abell 21

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Constellation

Gemini

Field centre

RA: 07^h28^m
Dec: +13°17'
Position angle: -86°25'

Field size

1°13' × 0°51'

Equipment

Altair Astro Wave Series 115 F7 ED Triplet
Altair Hypercam 26C
SW EQ6
Optolong L-extreme filter

Exposure

60 x 300s

Location

Bassingham, Lincolnshire

Target name

Medusa nebula

Title

Sharpless 2-274; Abell 21; Medusa Nebula

About this image

Captured over 3 nights between March 15 and 31.

Processing in Pixinsight and Affinity Photo 2.

A planetary nebula in Gemini at 1500 light years, discovered by George Abell in 1955. Asymmetric for a planetary nebula and one of the few PN's large enough (about 4 ly) to show good detail in my gear.

Files associated with this observation

Medusa starry v2_hdr.jpg (2.9 MB)

Like this image

Callum Potter, Dominic Ford, Simon Paul Davis, Steve Davies

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