Capture summary
Cluster in Hercules
Broadband OSC
Broadband OSC
Summer target / wide composition
- L-Pro 10m 2 x 300s
- Totals 10m
Same target, different years.
Older revisions stay in the archive so you can see how the target changed with different equipment, processing, and experience.
A compact 2020 M13 test frame from the archive, kept alongside the deeper 2021 revision.
Acquisition Data
Technical capture details from the public AstroBin record for this image. View on AstroBin.
- L-Pro: 2 x 300s, 10m
- Totals: 10m
Equipment and Software
- Telescope: Explore Scientific ED APO 127mm f/7.5 FCD-1 Alu 2" R&P Focuser
- Camera: ZWO ASI071MC Pro
- Mount: iOptron CEM60
- Software: PixInsight
- Guiding optics: Orion ST80
- Guiding camera: ZWO ASI290MM Mini
Target Planner
Cluster in Hercules; best planned for June through August from New Jersey.
Summer targets often improve later at night as the Milky Way climbs higher.
Assumes a New Jersey backyard horizon and evening imaging.
Stable seeing helps star color, roundness, and tight cluster detail.
M13 is listed here in Hercules.
Current frame: Natural color / Broadband OSC.
Calculating target altitude and moon context.
Use the full planner to enter a ZIP code, choose a date, and compare the target from your sky.
Based on the current time.
Green marks usable dark-sky altitude.
Next upper transit.
Approximate horizon crossing.
Moon phase and altitude.