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Imaging the Dumbbell Nebula

Comparing film and ccd images

The Dumbbell Nebula, M27, a planetary nebular in Vulpecula, is 6 arc mins across. Several images captured by amateurs on a variety of films and ccd chips are are presented here for comparison. Note: images have been rotated and resized to approximately align objects in the field. To view the original, unaltered files, click the images.

250 mm, Ektar 1000 film, 45 min
200 mm, Fujicolor SG+800, 20 min
250 mm, ST6 CCD Camera, 5 min
635 mm, ST6 CCD Camera, 3 x 5 min
355 mm, MX5-C CCD camera, 4 min
200 mm, ST7 (20 min) + ST6 colour data

Robert Dalby, La Palma, June 1998. LRGB CCD image. Mono data: 20 mins ST-7 plus AO f10 200 mm SCT. Colour data: ST-6.

Click the image to view the original

Source: Santa Barbara Instruments Group Image Gallery