M57 1st September 2011

This is the picture taken with my DFK colour camera. It can be compared with the pictures I've taken previously with a modified Vesta webcam.

Date and Time: 1st September 2011 21:22 to 21:35 UT
Camera: DFK21AF01
Telescope: LX200
Capture: ICCapture. 60" exposure, gain 1023, 11 frames = 1 dark
Preprocessing: Focus magic correction for slight motion blur
Processing: RegiStax5. 10 frames stacked, histogram 0-100, colours balanced.
PhotoImpact: colour saturation increased 30%.

This picture was taken with my MX716 monochrome camera using the Astronomik CLS filter and coloured with the colour picture above.

Date and Time: 1st September 2011 22:24 to 21:28 UT
Camera: Srarlight Xpress MX716
Telescope: LX200 and Astronomik CLS filter
Capture: star_mx7. 60" exposure, 5 frames + 1 dark
Processing: RegiStax6. 5 alignment points, 5 frames stacked, histogram 0-200, Gaussian wavelets Scheme 6.
PhotoImpact: resizing and rotation to match monochrome image. Photoshop: construction of LRGB image.

This false-colour picture was taken with my MX716 monochrome camera using the Astronomik Hα, OIII, and SII filters. As usual, the Hα is assigned to red, the OIII to green and the SII to blue.

Date and Time: 1st September 2011 22:03 to 22:28 UT
Camera: Srarlight Xpress MX716
Telescope: LX200 with Astronomik CLS, Hα, OIII, and SII filters
Capture: star_mx7. 60" exposure, 5 frames for each filter
Processing: RegiStax6. 5 frames stacked. For L image only histogram 0-200, brightness -12, Gaussian wavelets Scheme 1.
Photoshop: construction of LRGB image.
PhotoImpact: Enlargement ×1.5 to match the images above.

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	This is the picture taken with my DFK colour camera. It can be compared with the pictures I've taken previously with a modified Vesta webcam. Date and Time: 1st September 2011 21:22 to 21:35 UT Camera: DFK21AF01 Telescope: LX200 Capture: ICCapture. 60" exposure, gain 1023, 11 frames = 1 dark Preprocessing: Focus magic correction for slight motion blur Processing: RegiStax5. 10 frames stacked, histogram 0-100, colours balanced. PhotoImpact: colour saturation increased 30%.
	This picture was taken with my MX716 monochrome camera using the Astronomik CLS filter and coloured with the colour picture above. Date and Time: 1st September 2011 22:24 to 21:28 UT Camera: Srarlight Xpress MX716 Telescope: LX200 and Astronomik CLS filter Capture: star_mx7. 60" exposure, 5 frames + 1 dark Processing: RegiStax6. 5 alignment points, 5 frames stacked, histogram 0-200, Gaussian wavelets Scheme 6. PhotoImpact: resizing and rotation to match monochrome image. Photoshop: construction of LRGB image.
	This false-colour picture was taken with my MX716 monochrome camera using the Astronomik Hα, OIII, and SII filters. As usual, the Hα is assigned to red, the OIII to green and the SII to blue. Date and Time: 1st September 2011 22:03 to 22:28 UT Camera: Srarlight Xpress MX716 Telescope: LX200 with Astronomik CLS, Hα, OIII, and SII filters Capture: star_mx7. 60" exposure, 5 frames for each filter Processing: RegiStax6. 5 frames stacked. For L image only histogram 0-200, brightness -12, Gaussian wavelets Scheme 1. Photoshop: construction of LRGB image. PhotoImpact: Enlargement ×1.5 to match the images above.