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M 51
Photographer
南方天文远程台-稻城站
涡状星系(Whirlpool Galaxy),又叫做M51或是NGC 5194,位在天空北方的猎犬座(Canes Venaciti),长度约有65000光年,距离地球2300万光年。有时候,M51是指涡状星系及其伴星系,如果要区分的话,会将M51分为M51A(NGC 5194)及M51B(NGC 5195)。
Equipment
CameraPlayerOne Poseidon-M Pro
Telescope/Lens天虎130APO Pro+1x
Mount信达EQ6R-Pro
FilterOptolong LRGBSHO 3nm
Shooting Data ( Shooting Date: 2025-01-27 )
Total FramesL*44 R*68 G*52 B*47 H*36
Exposure单帧300秒
Sky Coordinates
Right Ascension (RA)13h 29m 53.2s
Declination (Dec)+47° 12′ 21.4″
FOV Radius0.3570° (21.42′)
Pixel Scale0.857″/px
Rotation Angle96.26° E of N (Clockwise)
Parity正像
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