Observation by David Swan: NGC 6643

Uploaded by

David Swan

Observer

David Swan

Observed

2017 Dec 27 - 21:35

Uploaded

2017 Dec 27 - 22:15

Objects

NGC6643

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Constellation

Draco

Field centre

RA: 18^h19^m
Dec: +74°34'
Position angle: +26°08'

Field size

0°15' × 0°10'

Equipment

Scope: 200mm SCT @ f/6.3
Camera: ASI178MM
Filter: Baader UV+IR cut
Software: FireCapture, DeepSkyStacker and FITS Liberator

Exposure

180 x 5s

Location

Tynemouth, UK

Target name

NGC 6643

Title

NGC 6643

About this image

I managed - finally - to find the cause of the fixed pattern row noise that has been a problem recently. It was built-up charge in the camera! 10s on the radiator (good earth connection) completely eliminated the banding.

Files associated with this observation

ngc6643web.png (995.2 kB)

Like this image

Jeremy Shears, Graham Winstanley, Callum Potter, Peter Carson

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