M57 – Ring

Image Link
https://ocastronomers.org/wp-content/uploads/2019/01/m057-01.jpg

Photographer Arnie Rosner

Optics Used

Camera Used

Settings / Equipment Takahashi Mewlon 300 f/11.9, Astro Physics 1200 GTO mount; SBIG ST8 CCD camera with SBIG Color Wheel 8; RGB 300 sec; integrations for each color -10 deg C

Location Fountain Valley, CA; 18 Aug 1999, 07:30:20 UT

Date / Time August 18, 1999 12:00 am

Copyright

Additional Information