Helena Observatory,   North Alton, NS

M3 globular cluster

21-Apr-2025 19:35 ADT 21-Apr-2025 22:35 UTC

M3 globular cluster, 2-Apr-2011

Scope: Orion 200mm Astrograph, f/4
Mount: HEQ5
Guiding: none
Imaging Camera: Pentax ISD-DL
ISO: 1600
Frames: 15 @ 30s
Total Exposure: 7m30s
Processing: DSS, Photoshop
 
My first decent astrophoto. Used Bahtinov mask for focusing, and DSUSB for camera control.

 

Copyright © 2019 by Kathleen Walker
Last modified: 02-Feb-2019