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Jon Greif
St. George, UT, USA, remotely via iTelescope.net from La Jolla, CA, USA
St. George, UT, USA, remotely via iTelescope.net from La Jolla, CA, USA
06/12/2023
12:30 am
12:30 am
CCD: FLI-PL6303E CCD camera
Filters: Luminance, Red, Green, Blue
OTA: Planewave 17" CDK
Optical Design: Corrected Dall-Kirkham Astrograph
Aperture: 431mm
Focal Length: 1940mm (0.66 Focal Reducer)
F/Ratio: f/4.5
Mount: Planewave Ascension 200HR
Pixinsight 1.8.9.
My shot of the nearby galaxy M101 (aka Pinwheel) and the recently discovered Supernova, SN2023ixf, is 100 minutes total exposure time, equally divided between Luminance, Red, Green and Blue filters, taken during the early morning hours of Monday, June 12, 2023.
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