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Photos from Plumtree Observatory



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Waning moon, 19.31 days old

AstroTech 66mm apochromatic refractor (400mm FL), Nikon D70 at prime focus; piggybacked on C8/G11

Submitted by William Lee on 05/08/2007 01:29:59


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M13

12 ten second images, stacked with MaximDL; ST-237 on Sky Watcher 100mm F/10 ED triplet apochromatic refractor

Submitted by William Lee on 05/11/2007 04:20:04


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Quick Piggyback of Cygnus and Lyra

Vega is top center. Nikon D70 DSLR piggybacked on C8, 5 minute exposure with 5 minute dark frame, 22mm focal length (18-70mm zoom), F/8, ISO 800.

Submitted by William Lee on 05/20/2007 15:17:03


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Moon 6-18-2006

First light with the Sky Watcher 100mm F/10 triplet apo. Mounted on Orion EQ-2. Nikon D70 at prime focus, processed with unsharp mask.

Submitted by William Lee on 05/21/2007 11:20:13


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M13

M13 taken with Nikon D70 DSLR at prime focus of AT66ED refractor, piggybacked on C8/G-11. Five raw photos stacked, total exposure time: 17 minutes.  Note the elongated stars at the corners due to field curvature.

Submitted by William Lee on 05/26/2007 11:10:49


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M13 Closeup

Cropped version of above photo.

Submitted by William Lee on 05/26/2007 12:19:20


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M31-Andromeda Galaxy

40 minute exposure (8x5min exposures stacked), Skywatcher 100mm Triplet ED F/10 & Nikon D70. Imaged 7/2/07 3am.

Submitted by William Lee on 07/02/2007 06:03:34


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M13-Globular Cluster in Hercules

28 minute exposure (14 x 2 min exposures stacked), Skywatcher 100mm Triplet ED F/10 and Nikon D70.  Imaged 7/2/07 2am.

Submitted by William Lee on 07/02/2007 18:58:17


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Caldwell 12 (NGC 6946) and NGC 6939

45 min exposure (9x5min stacked) w/ Nikon D70 & Skywatcher 100mm F/10 triplet ED apo; cropped and processed with median noise reduction; imaged 7/3 2AM

Submitted by William Lee on 07/07/2007 19:22:23


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M13--Reprocessed

July 2nd images, reprocessed with MaximDL+DSLR and GREYCstoration for noise reduction. Nikon D70 DSLR & 100mm F/10 Apo triplet.

Submitted by William Lee on 09/07/2007 19:50:39


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Orion

Nikon D70 DSLR, Nikon 55-200mm ED zoom lens at 55mm (equivalent to 82mm on 35mm film), piggybacked on C8/G11. 24x30 second exposures, F4 at ISO 1600.  Processed with MaximDL-DSLR. Imaged October 21, 2007, 4AM-5AM.

Submitted by William Lee on 10/21/2007 14:54:10


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Orion closeup

Nikon D70 DSLR, Nikon 55-200mm ED zoom lens at 200mm (equivalent to 300mm on 35mm film), piggybacked on C8/G11. 4x30 second exposures, F4 at ISO 1600.  Processed with MaximDL-DSLR. Imaged October 21, 2007, 4AM-5AM.

Submitted by William Lee on 10/21/2007 18:10:31


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Pleiades, Saturday, Sep 26, 3am

5x1min exposures of LRGB each, unguided, 5x1min dark frames applied.  Orion Star Shoot Deep Sky Imager 2, William Optics 100mm Megrez (600mm FL), 0.8 William Optics focal reducer/flattener on Losmandy G-11 mount at Bridgewater, MA. Skies at ~4.5 mag naked eye visibility. Effective FL=400mm.

Submitted by William Lee on 09/26/2009 10:11:41


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Deneb-Sadr-Epsilon Cygni Region

Nikon D70, unmodified, with a Nikkor 18-70mm AF-S ED zoom lens at 55mm
Piggybacked on Skywatcher 100mm APO triplet
G-11, unguided
2x6 min, 5x8 min (total 52 min) calibrated, stacked, and debayered in MaximDL-DSLR
Calibrated with darks, flats, and bias frames
Final processing with Photoshop CS4

Submitted by William Lee on 11/13/2009 18:21:02


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Andromeda and M32 with the C8 Fastar F/1.8

M31, M32:  November 8, 2009;  69 minutes total luminance exposure (69x1 mins), Orion StarShoot Deep Space Monochrome Imager II, no cooling, C8 Fastar F//1.8 on G-11, unguided.  Processing:  stacked in MaximDL, level, curve balance, and binned 2x2 Photoshop CS4.

Submitted by William Lee on 01/02/2010 14:57:36

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