Observation Log - November 25, 2000 - Tinton Falls, NJ
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[NOTE: The seeing was pretty good tonight, but I had a short session due to clouds. Temperature was 19 degrees F. Setup was focuser/f/3.3 reducer/camera. Tonight the images were all taken WITHOUT the usual IR blocking filter. -GW]
NGC7094, a planetary nebula in Pegasus, magnitude 13.4, dimensions 1'.6 x 1'.5. The frames were shot between 6:34 and 7:06 p.m. the evening of the 24th, and the f/3.3 focal reducer was used. This composite was made from 15 exposures for a total integration time of 30 minutes. All images were processed in AstroArt with dark frame subtraction, flat frames and flat darks, then aligned and averaged. The resulting image was moved into MaxIm and the background was flattened, then filtered with Digital Development (kernel, low-pass), and the image was finished with a strong contrast stretch.
NGC2339, a galaxy in Gemini, magnitude 11.8, dimensions 2'.6 x 1'.9, surface brightness is 13.1 mags/sq arcmin. The frames were shot between 12:41 and 2:10 a.m. the morning of the 25th, and the f/3.3 focal reducer was used. This composite was made from 30 exposures for a total integration time of 60 minutes. All images were processed in AstroArt with dark frame subtraction, flat frames and flat darks, then aligned and averaged. The resulting image was moved into MaxIm and the background was flattened, then filtered with Digital Development (kernel, low-pass), and the image was finished with an unsharp mask and a contrast stretch.
NGC2487 and NGC2486, two galaxies in Gemini. NGC2487 is on the left, magnitude 12.5, dimensions 2'.5 x 2'.2, surface brightness is 13.8 mags/sq arcmin. On the right is NGC2486, magnitude 13.3, dimensions 1'.9 x 1'.1, surface brightness is 13.3 mags/sq arcmin. The frames were shot between 2:15 and 3:23 a.m. the morning of the 25th, and the f/3.3 focal reducer was used. This composite was made from 32 exposures for a total integration time of 64 minutes. All images were processed in AstroArt with dark frame subtraction, flat frames and flat darks, then aligned and averaged. The resulting image was moved into MaxIm and the background was flattened, then filtered with Digital Development (kernel, low-pass), and the image was finished with a contrast stretch.