Sketch negative, 2000/4/29, with 8" Dobsonian, 25mm eyepiece, 1 degree FOV. Observed from Greene county, Pittsburgh. M90 (bright, large, with a nucleus) is lower left, M89 (small, bright, w. nucleus) is upper right.
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All images by Jerry Xiaojin Zhu unless noted otherwise. Feel free to use them for your personal enjoyment. For other usage please contact the author at jerryzhu@gmail.com
