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Protoplanetary discs (M42)
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Aufnahmedaten
Object.................: Proplyds / M42
Optics / Telescope.....: C11 + AP Telecompressor focal length, f/ratio..: 1764m, f/6.3 Total exposure time....: 1102sec (18,366min.) Film / CCD.............: ST10XME Guiding................: Self-guided Date & location........: La Rosière / France Author.................: Sebastian Voltmer Comments...............: L: 105x10sec + 21x2sec, R:2x2, G:2x2, B:1x2min |
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