Andromeda Galaxy Photographed With Orion ShortTube 80 (ST80) HD
This is Messier 31 (M31) - the Andromeda Galaxy. I photographed it on 9/11/2016. My Celestron 8SE has too much zoom, even with a focal reducer, so I used my Orion ShortTube 80 guide scope to capture the galaxy. The ST80 performed well enough, considering the moon was at 74% illumination. 212 raw frames were captured and stacked, along with 25 darks and bias images. Each exposure was 15 seconds with an ISO level of 1600. Here is more information below: OTA: Orion ShortTube 80 (ST80) Mount: Celestron Advanced VX (AVX) Guiding telescope: No autoguiding Guiding camera: None Guiding software: None Imaging Camera: Nikon D5300 Polar Alignment Camera: QHYCCD PoleMaster Post-processing: DeepSkyStacker, PixInsight, Adobe Lightroom
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