Greg's Astronomy Webpage
Scroll down to see mods I've made to my scopes
With this Starry Night Google Gadget you can click on the location / date header
to open the User Interface which allows you to change the location, date, time and several other options.
For now, it is only possible to view the sky on the current date.
Orion SkyQuest Intelliscope
XT8i |
XT12i |
8" (203 mm) Dobsonian |
12" (305 mm) Dobsonian |
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Last Year |
This Year |
Mods |
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Celestron G5 on CG3 Mount
5" (127 mm) Schmidt-Cassegrain

Mods |
Meade TeleStar 60AZ-S
2.36" (60 mm) Refractor

Mods |
| Cloud Cover: | Overcast | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% | Clear | ||||
| Transparency: | Poor | Below Average | Average | Above average | Transparent | ||||||||||
| Seeing: | Very Unstable | Unstable | Somewhat Stable | Mostly Stable | Perfectly Stable | ||||||||||
| Darkness: | -3 | -2 | -1 | 0 | 1.0 | 2.0 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.2 | 5.4 | 5.6 | 5.8 |
| Wind: | Howling | Windy | Breezy | Slight Breeze | Calm | ||||||||||
| Humidity: | < 29 | 30 - 35 | 35 - 40 | 40 - 45 | 45 - 50 | 50 - 55 | 55 - 60 | 60 - 70 | 65 - 70 | 70 - 75 | 75 - 80 | 80 - 85 | 85 - 90 | 90 - 95 | 95 - 100 |
| Temperature: | -22 - -13 | -13 - -4 | -4 - 5 | 5 - 14 | 14 - 23 | 23 - 32 | 32 - 41 | 41 - 50 | 50 - 59 | 59 - 68 | 68 - 77 | 77 - 86 | 86 - 95 | 95 - 104 | > 104 |