Michael A. Stecker
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Askar 103 APO Sky-Watcher Quattro 250P images
Bright Nebulae
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Photographic Data
telescope: Askar 103 APO triplet refractor with 0.8X focal reducer Aperture: 103 mm (4-inch) Focal ratio: f/5.5 Focal Length: 560 mm Full frame image
mount:
ZWO AM5 harmonic mount imaging camera: ZWO ASI2600MC Duo color astro-camera Full frame image filter: Optolong L-eNhanced nebular filter exposure: 240 sec X 20 (80 minutes, 1.3 hours) guiding: SVBony 60 mm f/4 guide scopr (FL= 240 mm) with ZWO ASI662MC guide camera
processing software:
Asiair, Photoshop Elements 2021 photographic site: West Los Angeles California (Bortle 9 light polluted sky) |