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EdZ's photos
Other Albums by EdZ
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Hyades, M45, Jupiter, Saturn 9-6-2000
Taken with Pentax ME Super body with Tokina 35-105 at f/4. Piggy-b...
- 1960
- 1
Hand drawn chart Ursa Major
Another of my original charts. I scaled up the drawings by grid fr...
- 1600
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Jupiter Shadow Transit 2-25-03
An unexpected surprise this night prompted a sketch in the logbook....
- 2672
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M45 Lim Mag Observing Chart tp mag12
This chart shows stars to mag 12 identified by section and number....
- 3231
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The Coat Hanger - CR399 Lim Mag Chart
Detailed Limiting Magnitudes to mag 11.0 deep. Good for small to mi...
- 4164
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Field Chart Cas-Cam-Per border
My field charts are photocopies in a binder. I can take the whole...
- 5568
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NELM Little Dipper - Polaris
Naked Eye Limiting Magnitude stars in the area of the Little Dipper...
- 3396
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NELM chart Sagitta CR399
Naked Eye Limiting Magnitude stars in the area of CR399 and Sagitta...
- 1554
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North Star Student Handout
This presentation teaches students to think not only about motion,...
- 1519
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Depicting 16 Vulpecula
This is how I saw 16 Vul with my CR150, except the following compon...
- 2255
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CR399 List of Stars detail to mag 12.5
this list identifies all the stars on the Cr399 chart dated 3-24-05...
- 2950
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M45 table of Strs to mag 13
This table lists all the stars on the M45 chart dated 4-23-05. Sta...
- 6635
- 1
Binocular Limiting Magnitude BLM
This chart from the full article on determining Binocular Limiting...
- 8952
- 2
USAF 1951 Resolution Chart and Table of Constants
I find it interesting that few if any current web links provide ALL...
- 4926
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Binocular Field Sharpness
Readings compiled using double stars resolution as criteria. All r...
- 1593
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Resolution versus Exit Pupil
Resolution is shown in arcseconds. Apparent resolution is arcsecon...
- 2346
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Exit Pupil Profile of OberwerK Ultra 15x70
Compared here to a Fujinon FMT-SX 16x70 and an Garrett Gemini 20x80...
- 1824
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Exit Pupil Illumination
Nikon SE 12x50, Fujinon FMT-SX 10x70 and Oberwerk 15x70. The Oberw...
- 1222
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Oberwerk Ultra 15x70 L Bracket
this shows how tight the L bracket fits. Normal flat stock L brack...
- 1394
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25x100 Doublet Air-spaced
The nodes on the continuous beam mark the inner and outer edges of...
- 1567
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20x80 Triplet no air space
The nodes show up at each lens surface. There is little to no air...
- 1465
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BT100 Air-spaced Triplet
You can see the node at the junction between the two outer lenses....
