Observation by David Davies: Messier 71

Uploaded by

David Davies

Observer

David Davies

Observed

2026 Aug 24 - 00:16

Uploaded

2026 Aug 25 - 22:18

Objects

M71

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Constellation

Sagitta

Field centre

RA: 19^h53^m
Dec: +18°47'
Position angle: -5°04'

Field size

0°36' × 0°27'

Equipment

APM 107 refractor
ASI 533MM Pro camera
Astrodon red, green and blue filters
SW EQ8 mount

Exposure

15 x 90s R, G and B exposures

Location

Cambridge, UK

Target name

M71

Title

Messier 71

About this image

Captured during the same session as the NGC 6802 image. By the time I set to work on this target, the Moon had set, and the sky had darkened. This is a 100% crop from the original image.

I'm beginning to wonder if I really need my RC10. The image scale of the 533 camera on the APM 107 is a textbook one arcsecond per pixel. Do I need to go smaller? I think some experimentation is needed.

Files associated with this observation

M71_crop.jpg (4.2 MB)

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