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透明度低下的 Dob 16 GOTO 月面 - Eratosthenes

文章發表於 : 2012-07-13, 14:56
社長
昨日早上拍了可能是本年度最後一批下弦月照片,今早繼續處理:

viewtopic.php?f=27&t=3153

這照片水平一般,若天氣透明度高時,增益可以調低一點,曝光可以短一些,影像水平會好一些。

拍攝數據:

Photo I
Skywatcher Dob 16 GOTO
DMK51AU21.AS
Televue 2.5x Powermate (effective focal length 4500mm, f11.3)
Stacked 30 frames out of 600, wavelet sharpening, curve stretching.

Photo II
Skywatcher Dob 16 GOTO
DMK51AU21.AS
Televue 4x Powermate (effective focal length 7200mm, f18)
Stacked 90 frames out of 600, wavelet sharpening, curve stretching.

Photo III
Skywatcher Dob 16 GOTO
DMK51AU21.AS
Televue 5x Powermate (effective focal length 9000mm, f22.5)
Stacked 90 frames out of 600, wavelet sharpening, curve stretching.