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Venus-Mars-Jupiter Conjunction 1991

Venus-Mars-Jupiter Conjunction 1991

During the month of June 1991, three - , and - were in in the Western just after sunset. As the month progressed the planets passed each other in succession. I photographed this ‘dance’ of theses planets on 17 days from June 5 through June 28 from my location in Monmouth Junction, New Jersey (Long: 74º 33' 28.4", Lat: North 40º 22' 38.0"). This album presents the resulting photographs.

Cameras: Canon FTbN SLR and Canon TLb SLR.

Lenses: Canon FD 50mm f/1.8 and Canon FD 135mm f/2.5

Film: Kodak Kodacolor ASA 1600 color print film

The cameras were mounted on a stationary tripod. A shutter release cable was used to activate the shutter.

The resulting negatives were digitally scanned using a Nikon LS2000 film/slide scanner at 2700 ppi resolution. To improve signal-to-noise and decrease film grain, 2 frames were manually stacked for each image using Adobe Photoshop CS2. Minor adjustments to image brightness and color balance (to my liking) were performed with Adobe Photoshop CS2/CS6. In addition, some film defects and scratches were cloned out of the images using Adobe Photoshop CS2/CS6.

Image set 1 shows the images obtained using the Canon FD 50mm lens.

Image set 2 shows the images obtained using the Canon FD 135mm lens with one significant modification. In Adobe Photoshop CS2 the planets were cloned out of the images. These ‘minus ’ images were then subtracted from the originals, resulting in final images showing only the three planets on a pure black background.

Image Exposure Times

Date Exposures (50mm) Exposures (135mm) June 5 1/4s, 1/2s June 6 1/4s, 1/2s 1/8s, 1/4s June 7 1/4s, 1/2s 1/8s, 1/4s June 8 1/4s, 1/2s 1/8s, 1/4s June 9 1/4s, 1/2s 1/8s, 1/4s June 10 1/8s, 1/4s June 12 1/4s, 1/2s 1/8s, 1/4s June 13 1/4s, 1/2s 1/8s, 1/4s 1/4s, 1/2s 1/8s, 1/4s June 15 1/4s, 1/2s 1/4s, 1/2s June 20 1/2s, 1s 1/8s, 1/4s June 21 1/2s, 1s 1/8s, 1/4s June 23 1/2s, 1s 1/4s, 1/2s June 24 1/2s, 1s 1/8s, 1/4s June 25 1/2s, 1s 1/8s, 1/4s June 26 1/4s, 1/2s 1/8s, 1/4s June 28 1s, 2s 1s, 2s

For reference when viewing the images, the largest/brightest object is Venus; the smallest/dimmest object is Mars; Jupiter is medium in size/brightness.

Image Set 1

Image Set 2