Observation by Dean Ashton: Medusa

Uploaded by

Dean Ashton

Observer

Dean Ashton

Observed

2023 Feb 09 - 19:00

Uploaded

2023 Oct 05 - 06:07

Objects

Sharpless 274

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Constellation

Gemini

Field centre

RA: 07^h29^m
Dec: +13°15'
Position angle: +0°17'

Field size

0°47' × 0°31'

Equipment

Celestron 9.25 (235mm) EdgeHD at /f7
QGY268C
Optolong L-eXtreme Filter

Exposure

40x600s Exposures, fl 1645mm /f7

Location

St Austell Cornwall

Target name

Medusa Nebula

Title

Medusa

About this image

I took this image of the planetary nebula Sh2-274 back in February of this year. I found it a fascinating and unusual planetary nebula and so have gone back to the original data and re-processed it again. The Optolong L-eXtreme filter is a duo-band filter with a 7nm pass for each of Ha and Oiii emission wavelengths,

Files associated with this observation

Sh2_274_40x600s_HOO.jpg (1.8 MB)

Like this image

Simon Paul Davis, Andy Wilson

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