Observation by Oliver Hext: M13

Uploaded by

Oliver Hext

Observer

Oliver Hext

Observed

2026 Jul 03 - 23:00

Uploaded

2026 Jul 04 - 12:10

Objects

The Great Globular Cluster in Hercules (M13)

Planetarium overlay

Enable overlay
Show stars
Label stars
Show deep sky objects
Label deep sky objects
Show constellation boundaries
Show constellation sticks
Show constellation labels
Show RA/Dec grid

Constellation

Hercules

Field centre

RA: 16^h41^m
Dec: +36°27'
Position angle: +69°27'

Field size

0°39' × 0°26'

Equipment

Skywatcher 127 Mak
ZWO ASI2600MC Pro
Juwei 17

Exposure

30 x 240s

Location

Portsmouth, UK

Target name

M13

Title

M13

About this image

Still experimenting. Image from my 127mm @1500mm (20 years old, never collimated). My Juwei 17 mount seems to be doing the job. Forget to dither, so have some walking noise in the image.

Scope: Skywatcher 127 Mak

Camera: ZWO ASI2600MC Pro

Mount: Juwei 17

Filter: L-Pro

Exposure: 17 x 120s

Guiding RMS: 0.6 -1.00

Files associated with this observation

M13_127mm_70pc.jpg (801.8 kB)

Like this image

David Basey

Copyright of all images and other observations submitted to the BAA remains with the owner of the work. Reproduction of work by third parties is expressly forbidden without the consent of the copyright holder. By submitting images to this online gallery, you grant the BAA permission to reproduce them in any of our publications.

Registered charity no. 210769
Registered company no. 117572

For more information including contact details, click here.

Our Terms of Use are here.

Our Privacy Policy is here.