M13 – Hercules Globular

Image Link
https://www.ocastronomers.org/wp-content/uploads/2019/01/m013-02.jpg

Photographer Dean Jacobsen

Optics Used

Camera Used

Settings / Equipment Celestron C-11 OTA w/f3.3 Optec MAXfield telecompressor, 10 min self-guided exp on SBIG ST-7 CCD camera w/anti-blooming chip, Losmandy G-11 eq. mount

Location OCA observing site, Anza, CA; 14 Mar 1999; 0230 local time

Date / Time March 14, 1999 12:00 am

Copyright

Additional Information Basic image calibration (dark field and flat frame) and log scaling of data performed with SBIG's CCDOps for Windows. Final adjustment of levels and conversion to JPEG performed with Photoshop Ver. 5.0.