FASTAR MESSIER INDEX -
Messier Object Information
Messier object: M57
Visual magnitude: 8.8
Date of observation: September 23, 2000
Time at end of first CCD image 21:53 PDT
Time at end of last CCD image 21:58 PDT
Observing Location: At home on the drive way
Observation of object: M57 is a small ring shape planetary nebula in the center of the above image. M57 is located at the northern edge of the Milky Way which provides a rich backgound of stars.
Moon rise at 2:57 PDT on September 24, 1998
Astronomical twilight ends in the evening at 20:46 PDT on September 23, 1998
Astronomical twilight starts in morning at 5:19 PDT on September 24, 1998
Celestron C-8 Schmidt-Cassegrain telescope with Fastar lens accessory and SBIG ST-237 CCD Camera
M57 image taken with Orion ShortTube 80 mm refractor telescope and Cookbook CB245 CCD Camera.
Use Test patterns to calibrate monitor brightness, contrast, height and width
© 1998-2003 David Haworth