M27 The Dumbbell planetary nebula in Vulpecula

Date: 11/13/2007

Location: Tierra Del Sol, California

Conditions: 0% moon, seeing 6/10, transparency 6/10, temperature 55-65F, very dry night, wind 5-15mph.

Telescope: Celestron C8, .63 focal reducer, prime focus, no diagonal.

Guiding: TV85, 600mm, F7, prime focus, w/ diagonal, camera-The Images Source 24AF04.AS, PHD software

Mount: Losmandy G11, Gemini goto, polar scope used to align.

Camera: Canon EOS 40D

Focusing: focused on star using live Focus mode.

Exposures: (10) 5 min RAW 800 ISO, (10) bias, (10) flat, (6) dark

Processing: IP3.0 converted RAW to FITS, calibrated, align-rotate, combine min-max excluded average, digital development, converted to TIFF, PS CS3 cropped, white balance, black point, sky neutralized, curves, hue-saturation, image-adjustment-shadow/highlight, reduced size for web, and sharpened.

Comments: magnitude 7.6, size 6.7'

M27 The Dumbbell planetary nebula in Vulpecula

Date: 6/11/2006

Location: Bryce Canyon

Conditions: 97% full moon, seeing 8/10, transparency 8/10, temperature 65-46 F.

Telescope: Televue 85mm refractor, 600mm focal length, F7, prime focus, no diagonal.

Mount: Losmandy G11, Gemini goto, polar scope used to align,.Camera: Canon Rebel 300d

Focusing: Manual on star using right angle Canon 2.5 magnifying view finder.

Exposures: (3) 3 min raw 800 ISO

Processing: IP 2.75 - converted raw to FITS, dark frame calibrated, align-rotate, combine average,. digital development, convert to 16 bit TIFF, PS CS , levels, color saturation, cropped, sharpen edges, unsharp mask, converted to JPEG.

Comments: