Observation by Alun Halsey: Jellyfish Nebula two pane mosaic

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Constellation

Gemini

Field centre

RA: 06^h18^m
Dec: +22°37'
Position angle: +48°32'

Field size

1°52' × 1°34'

Equipment

Evostar 72ED apo with field flattener
SX Trius 694 with Ha filter
CEM60 carrying C9.25 sct
QHY5L-II colour camera with 0.5x reducer

Exposure

4x900sec for both sections of mosaic.

Location

Reading Berkshire UK

Target name

Jellyfish Nebula

Title

Jellyfish Nebula two pane mosaic

About this image

72ED and SX Trius 694 + Ha filter piggybacked to C9.25 on a CEM60 to capture two sets of four 900sec subframes to create a mosaic. Stacked and dark frame subtracted in Deepskystacker,mosaic stitched and processed in Photoshop CS2. Autoguided using C9.25 and QHY5L-II colour camera with 0.5x reducer screwed into nosepiece.

Files associated with this observation

Jellyfish-Nebula-mosaic-2x-4x900sec.jpg (581.6 kB)

Like this image

James Weightman, Manolo Rodriguez, John Hughes, Mike Harlow, David Basey, Nick Hewitt, Peter Tickner

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